1
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Ding Y, Lu X, Maitra S, Wang Y, Mao Q, Liu M, Han N, Zhong J. Wide Range Near-Zero Thermal Quenching of Orange-Yellow Phosphor via Impeding Self-Oxidation of Eu 2+ for Versatile Optoelectronic Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2404442. [PMID: 39224046 DOI: 10.1002/smll.202404442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Revised: 08/19/2024] [Indexed: 09/04/2024]
Abstract
Li2SrSiO4:Eu2+ is a promising substitute for traditional Y3Al5O12:Ce3+ (YAG:Ce3+) owing to its strong orange-yellow emission of 4f-5d transition originating from Eu2+ dopant, covering the more red-light region. However, its inevitable luminescence thermal quenching at high temperatures and the self-oxidation of Eu2+ strongly impede their applications. Their remediation remains highly challenging. Herein, an anti-self-oxidation(ASO) concept of Eu2+ in Li2SrSiO4 substrate by adding trivalent rare-earth ions (A3+: A = La, Gd, Y, Lu) for highly efficient and stable orange-yellow light emission have been proposed. A significantly increased orange-yellow emission (202% improvement) from Li2Sr0.95A0.05SiO4:Eu2+ with a wide range near-zero thermal quenching is obtained, superior to other Eu2+ activated phosphors. The presence of A3+ ions with various radii modifies the ASO degree of Eu2+ ions, achieving the tunable chemical state, composition, electronic configuration, crystal-field strength, and luminescent characteristics of the developed phosphors. For the proof of the concept, a W-LED device and a PDMS (Polydimethylsiloxane) luminescent film are fabricated, endowing excellent luminescence performance and thermal stability and the huge application prospects of Li2SrSiO4:Eu2+ in lighting and display fields.
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Affiliation(s)
- Yang Ding
- Center of Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Xinyue Lu
- Center of Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Soumyajit Maitra
- Department of Materials, University of Oxford, Oxford, OX1 3PH, UK
| | - Yan Wang
- Department of Materials, University of Oxford, Oxford, OX1 3PH, UK
| | - Qinan Mao
- Center of Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Meijiao Liu
- School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Ning Han
- Department of Materials Engineering, KU Leuven, Leuven, 3001, Belgium
| | - Jiasong Zhong
- Center of Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
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2
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Chi J, Xue Y, Zhou Y, Han T, Ning B, Cheng L, Xie H, Wang H, Wang W, Meng Q, Fan K, Gong F, Fan J, Jiang N, Liu Z, Pan K, Sun H, Zhang J, Zheng Q, Wang J, Su M, Song Y. Perovskite Probe-Based Machine Learning Imaging Model for Rapid Pathologic Diagnosis of Cancers. ACS NANO 2024; 18:24295-24305. [PMID: 39164203 DOI: 10.1021/acsnano.4c06351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/22/2024]
Abstract
Accurately distinguishing tumor cells from normal cells is a key issue in tumor diagnosis, evaluation, and treatment. Fluorescence-based immunohistochemistry as the standard method faces the inherent challenges of the heterogeneity of tumor cells and the lack of big data analysis of probing images. Here, we have demonstrated a machine learning-driven imaging method for rapid pathological diagnosis of five types of cancers (breast, colon, liver, lung, and stomach) using a perovskite nanocrystal probe. After conducting the bioanalysis of survivin expression in five different cancers, high-efficiency perovskite nanocrystal probes modified with the survivin antibody can recognize the cancer tissue section at the single cell level. The tumor to normal (T/N) ratio is 10.3-fold higher than that of a conventional fluorescent probe, which can successfully differentiate between tumors and adjacent normal tissues within 10 min. The features of the fluorescence intensity and pathological texture morphology have been extracted and analyzed from 1000 fluorescence images by machine learning. The final integrated decision model makes the area under the receiver operating characteristic curve (area under the curve) value of machine learning classification of breast, colon, liver, lung, and stomach above 90% while predicting the tumor organ of 92% of positive patients. This method demonstrates a high T/N ratio probe in the precise diagnosis of multiple cancers, which will be good for improving the accuracy of surgical resection and reducing cancer mortality.
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Affiliation(s)
- Jimei Chi
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yonggan Xue
- Department of General Surgery, the First Medical Centre, Chinese PLA General Hospital, Beijing, 100853, China
| | - Yinying Zhou
- School of Software, Northwestern Polytechnical University, Xi'an, 710129, China
| | - Teng Han
- Institute of Software, Chinese Academy of Sciences, Beijing, 100191, China
| | - Bobin Ning
- Department of General Surgery, the First Medical Centre, Chinese PLA General Hospital, Beijing, 100853, China
| | - Lijun Cheng
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Hongfei Xie
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Huadong Wang
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Wenchen Wang
- Department of General Surgery, the First Medical Centre, Chinese PLA General Hospital, Beijing, 100853, China
| | - Qingyu Meng
- Department of General Surgery, the First Medical Centre, Chinese PLA General Hospital, Beijing, 100853, China
| | - Kaijie Fan
- Department of Thoracic Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Fangming Gong
- Department of General Surgery, the First Medical Centre, Chinese PLA General Hospital, Beijing, 100853, China
| | - Junzhen Fan
- Department of Pathology, the Third Medical Center, Chinese PLA General Hospital, Beijing, 100089, China
| | - Nan Jiang
- Faculty of Hepatopancreatobiliary Surgery, the First Medical Centre, Chinese PLA General Hospital, Beijing, 100853, China
| | - Zheng Liu
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, 100048, China
| | - Ke Pan
- Institute of Hepato-Pancreato-Biliary Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Hongyu Sun
- Department of Gastroenterology, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Jiajin Zhang
- Department of General Surgery, the First Medical Centre, Chinese PLA General Hospital, Beijing, 100853, China
| | - Qian Zheng
- Department of Thoracic Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Jiandong Wang
- Department of General Surgery, the First Medical Centre, Chinese PLA General Hospital, Beijing, 100853, China
| | - Meng Su
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yanlin Song
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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3
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Ma F, Yang Y, Jiao G, Li S, Meng X, Song J, Zhang L. Mesoporous silica stabilized perovskite quantum dots for the preparation of ultra-stable green flexible film. RSC Adv 2024; 14:25227-25234. [PMID: 39139240 PMCID: PMC11320050 DOI: 10.1039/d4ra03690e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Accepted: 08/07/2024] [Indexed: 08/15/2024] Open
Abstract
CsPbBr3 perovskite quantum dots (QDs) have attracted much attention in the optical field because of their low band gap, wide absorption spectrum and high color purity. However, their poor stability in extreme environments such as water, light and heat severely limits their application in optical fields. Here, we prepared m-SiO2/CsPbBr3 composite luminescent material using an aqueous phase method combined with high temperature calcination. The material can retain 87% of the initial photoluminescence quantum efficiency after 60 days of storage under ambient conditions (humidity ∼80%; temperature ∼25 °C), its photoluminescence intensity only decreased by 33% after immersion in water for 90 min. This indicates that the material retains good stability under a high humidity environment. Finally, PMMA@m-SiO2/CsPbBr3 flexible films were prepared by aqueous solution polymerization. The flexible film has excellent green light emission properties and exhibits (0.092, 0.625) CIE coordinates.
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Affiliation(s)
- Fei Ma
- Fuyang Normal University China
| | | | | | | | | | | | - Lin Zhang
- Fuyang Normal University China
- Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University China
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4
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Deng C, Huang Q, Fu Z, Lu Y. Ligand Engineering of Inorganic Lead Halide Perovskite Quantum Dots toward High and Stable Photoluminescence. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1201. [PMID: 39057878 PMCID: PMC11280295 DOI: 10.3390/nano14141201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2024] [Revised: 07/03/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024]
Abstract
The ligand engineering of inorganic lead halide perovskite quantum dots (PQDs) is an indispensable strategy to boost their photoluminescence stability, which is pivotal for optoelectronics applications. CsPbX3 (X = Cl, Br, I) PQDs exhibit exceptional optical properties, including high color purity and tunable bandgaps. Despite their promising characteristics, environmental sensitivity poses a challenge to their stability. This article reviews the solution-based synthesis methods with ligand engineering. It introduces the impact of factors like humidity, temperature, and light exposure on PQD's instability, as well as in situ and post-synthesis ligand engineering strategies. The use of various ligands, including X- and L-type ligands, is reviewed for their effectiveness in enhancing stability and luminescence performance. Finally, the significant potential of ligand engineering for the broader application of PQDs in optoelectronic devices is also discussed.
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Affiliation(s)
- Changbo Deng
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Qiuping Huang
- Hefei National Research Center for Physical Sciences at the Microscale, Anhui Laboratory of Advanced Photon Science and Technology, University of Science and Technology of China, Hefei 230026, China
| | - Zhengping Fu
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
- Hefei National Research Center for Physical Sciences at the Microscale, Anhui Laboratory of Advanced Photon Science and Technology, University of Science and Technology of China, Hefei 230026, China
| | - Yalin Lu
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
- Hefei National Research Center for Physical Sciences at the Microscale, Anhui Laboratory of Advanced Photon Science and Technology, University of Science and Technology of China, Hefei 230026, China
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5
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Li X, Zhang J, Liu J, Zhang F, Luo S, Ba H, Zhang Y, Xu X, Liu Z. Controllable decomposition/recrystallization of water-sensitive CsPbBr 3 glass ceramics for dynamic anti-counterfeiting with high security. J Colloid Interface Sci 2024; 676:72-79. [PMID: 39018812 DOI: 10.1016/j.jcis.2024.07.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/11/2024] [Accepted: 07/05/2024] [Indexed: 07/19/2024]
Abstract
Due to the sensitivity to water, the all-inorganic CsPbBr3 nanocrystals have been widely applied in information encryption with spatial dimensions. However, the absence of time-dimension information limits the information capacity for the application of CsPbBr3. In this work, the CsPbBr3 nanocrystal was combined with water-sensitive borophosphate glass, achieving decomposing/recrystallization of CsPbBr3 nanocrystal with multi-dimension. The addition of SiO2 confirms that the collapse of the borophosphate glass network structure causes the exposure of the CsPbBr3 nanocrystals. The decomposition and recrystallization mechanism of CsPbBr3 nanocrystals in glass-ceramics upon encountering water has been verified. Finally, an information encryption strategy, using the mixture of CsPbBr3 glass ceramic and sodium carboxymethylcellulose as ink, is designed via adopting screen-printing technology, which not only provides a new idea for the preparation of CsPbBr3 nanocrystals, but also establish a new avenue for the information encryption technology.
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Affiliation(s)
- Xin Li
- Henan Key Laboratory of Quantum Materials and Quantum Energy, School of Quantum Information Future Technology, Henan University, Jinming Road, Kaifeng, 475004, PR China; Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China
| | - Jian Zhang
- Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China
| | - Jie Liu
- Henan Key Laboratory of Quantum Materials and Quantum Energy, School of Quantum Information Future Technology, Henan University, Jinming Road, Kaifeng, 475004, PR China
| | - Feng Zhang
- Henan Key Laboratory of Quantum Materials and Quantum Energy, School of Quantum Information Future Technology, Henan University, Jinming Road, Kaifeng, 475004, PR China.
| | - Siyuan Luo
- Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China
| | - Huaiqiang Ba
- Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China
| | - Yu Zhang
- Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China
| | - Xuhui Xu
- Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China
| | - Zhichao Liu
- Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, PR China.
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6
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Zhang R, Yan A, Liu H, Lv Z, Hong M, Qin Z, Ren W, Jiang Z, Li M, Ho JC, Guo P. Biocompatible Perovskite Nanocrystals with Enhanced Stability for White Light-Emitting Diodes. ACS APPLIED MATERIALS & INTERFACES 2024; 16:34167-34180. [PMID: 38896470 DOI: 10.1021/acsami.4c06854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Recently emerged lead halide perovskite CsPbX3 (X = Cl, Br, and I) nanocrystals (PNCs) have attracted tremendous attention due to their excellent optical properties. However, the poor water stability, unsatisfactory luminescence efficiency, disappointing lead leakage, and toxicity have restricted their practical applications in photoelectronics and biomedical fields. Herein, a controllable encapsulated strategy is investigated to realize CsPbX3 PNCs/PVP @PMMA composites with superior luminescence properties and excellent biocompatibility. Additionally, the synthesized CsPbBr3 and CsPbBr0.6I2.4 PNCs/PVP@PMMA structures exhibit green and red emissions with a maximal photoluminescence quantum yield (PLQY) of about 70.24% and 98.26%, respectively. These CsPbX3 PNCs/PVP@PMMA structures show high emission efficiency, excellent stability after water storage for 18 months, and low cytotoxicity at the PNC concentration at 500 μg mL-1. Moreover, white light-emitting diode (WLED) devices based on mixtures of CsPbBr3 and CsPbBr0.6I2.4 PNCs/PVP@PMMA perovskite structures are investigated, which exhibit excellent warm-white light emissions at room temperature. A flexible manipulation method is used to fabricate the white light emitters based on these perovskite composites, providing a fantastic platform for fabricating solid-state white light sources and full-color displays.
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Affiliation(s)
- Rui Zhang
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, China
| | - Ao Yan
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, China
| | - Haiyun Liu
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, China
| | - Zehua Lv
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, China
| | - Mengqing Hong
- The Institute of Technological Sciences, Wuhan University, Wuhan 430072, China
| | - Zhenxing Qin
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, China
| | - Weijie Ren
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, China
| | - Zhaoyi Jiang
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, China
| | - Mingkai Li
- School of Materials Science and Engineering, Hubei University, Wuhan 430062, China
| | - Johnny C Ho
- Department of Materials Science and Engineering and State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Hong Kong 999077, SAR, China
| | - Pengfei Guo
- Department of Materials Science and Engineering and State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Hong Kong 999077, SAR, China
- College of Electronic Information and Optical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
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7
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Shi J, Wang Z, Gaponenko NV, Da Z, Zhang C, Wang J, Ji Y, Ding Y, Yao Q, Xu Y, Wang M. Stability Enhancement in All-Inorganic Perovskite Light Emitting Diodes via Dual Encapsulation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310478. [PMID: 38334247 DOI: 10.1002/smll.202310478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/19/2024] [Indexed: 02/10/2024]
Abstract
Addressing the challenge of lighting stability in perovskite white light emitting diodes (WLEDs) is crucial for their commercial viability. CsPbX3 (X = Cl, Br, I, or mixed) nanocrystals (NCs) are promising for next-generation lighting due to their superior optical and electronic properties. However, the inherent soft material structure of CsPbX3 NCs is particularly susceptible to the elevated temperatures associated with prolonged WLED operation. Additionally, these NCs face stability challenges in high humidity environments, leading to reduced lighting performance. This study introduces a two-step dual encapsulation method, resulting in CsPbBr3@SiO2/Al2SiO5 composite fibers (CFs) with enhanced optical stability under extreme conditions. In testing, WLEDs incorporating these CFs, even under prolonged operation at high power (100 mA for 9 h), maintain consistent electroluminescence (EL) intensity and optoelectronic parameters, with surface temperatures reaching 84.2 °C. Crucially, when subjected to 85 °C and 85% relative humidity for 200 h, the WLEDs preserve 97% of their initial fluorescence efficiency. These findings underscore the efficacy of the dual encapsulation strategy in significantly improving perovskite material stability, marking a significant step toward their commercial application in optoelectronic lighting.
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Affiliation(s)
- Jindou Shi
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research&Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Zeyu Wang
- Frontier Institute of Science and Technology (FIST), Micro- and Nano-technology Research Center of State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Nikolai V Gaponenko
- Belarusian State University of Informatics and Radioelectronics, P. Browki 6, Minsk, 220013, Belarus
| | - Zheyuan Da
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research&Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Chen Zhang
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research&Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Junnan Wang
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research&Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yongqiang Ji
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research&Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yusong Ding
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research&Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Qing Yao
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research&Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Youlong Xu
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research&Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Minqiang Wang
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research&Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, Xi'an, 710049, China
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8
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Shang M, Bu S, Hu Z, Zhao Y, Liao J, Zheng C, Liu W, Lu Q, Li F, Wu H, Shi Z, Zhu Y, Xu Z, Guo B, Yu B, Li C, Zhang X, Xie Q, Yin J, Jia K, Peng H, Lin L, Liu Z. Polyacrylonitrile as an Efficient Transfer Medium for Wafer-Scale Transfer of Graphene. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2402000. [PMID: 38738693 DOI: 10.1002/adma.202402000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/21/2024] [Indexed: 05/14/2024]
Abstract
The disparity between growth substrates and application-specific substrates can be mediated by reliable graphene transfer, the lack of which currently strongly hinders the graphene applications. Conventionally, the removal of soft polymers, that support the graphene during the transfer, would contaminate graphene surface, produce cracks, and leave unprotected graphene surface sensitive to airborne contaminations. In this work, it is found that polyacrylonitrile (PAN) can function as polymer medium for transferring wafer-size graphene, and encapsulating layer to deliver high-performance graphene devices. Therefore, PAN, that is compatible with device fabrication, does not need to be removed for subsequent applications. The crack-free transfer of 4 in. graphene onto SiO2/Si wafers, and the wafer-scale fabrication of graphene-based field-effect transistor arrays with no observed clear doping, uniformly high carrier mobility (≈11 000 cm2 V-1 s-1), and long-term stability at room temperature, are achieved. This work presents new concept for designing the transfer process of 2D materials, in which multifunctional polymer can be retained, and offers a reliable method for fabricating wafer-scale devices of 2D materials with outstanding performance.
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Affiliation(s)
- Mingpeng Shang
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, P. R. China
- Center for Nanochemistry, Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
| | - Saiyu Bu
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Zhaoning Hu
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Yixuan Zhao
- Center for Nanochemistry, Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
| | - Junhao Liao
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, P. R. China
- Center for Nanochemistry, Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
- National Center for Nanoscience and Technology, Beijing, 100190, P. R. China
| | - Chunyang Zheng
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, P. R. China
- Center for Nanochemistry, Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
- School of Electronics, Peking University, Beijing, 100871, P. R. China
| | - Wenlin Liu
- Center for Nanochemistry, Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
| | - Qi Lu
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
- State Key Laboratory of Heavy Oil Processing, College of Science, China University of Petroleum, Beijing, 102249, P. R. China
| | - Fangfang Li
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, P. R. China
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
| | - Haotian Wu
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Zhuofeng Shi
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266000, P. R. China
| | - Yaqi Zhu
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266000, P. R. China
| | - Zhiying Xu
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
- Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, P. R. China
| | - Bingbing Guo
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
| | - Beiming Yu
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Chunhu Li
- Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, P. R. China
| | - Xiaodong Zhang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266000, P. R. China
| | - Qin Xie
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, P. R. China
- Center for Nanochemistry, Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
| | - Jianbo Yin
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
- School of Electronics, Peking University, Beijing, 100871, P. R. China
| | - Kaicheng Jia
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
| | - Hailin Peng
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, P. R. China
- Center for Nanochemistry, Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
| | - Li Lin
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, P. R. China
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
- School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China
| | - Zhongfan Liu
- Center for Nanochemistry, Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
- Technology Innovation Center of Graphene Metrology and Standardization for State Market Regulation, Beijing Graphene Institute, Beijing, 100095, P. R. China
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9
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Lu Z, Gong Y, Shen C, Chen H, Zhu W, Liu T, Wu C, Sun M, Su G, Wang X, Wang Y, Ye J, Liu X, Rao H. Portable, intelligent MIECL sensing platform for ciprofloxacin detection using a fast convolutional neural networks-assisted Tb@Lu 2O 3 nanoemitter. Food Chem 2024; 444:138656. [PMID: 38325090 DOI: 10.1016/j.foodchem.2024.138656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/18/2024] [Accepted: 01/29/2024] [Indexed: 02/09/2024]
Abstract
Environmental pollution caused by ciprofloxacin is a major problem of global public health. A machine learning-assisted portable smartphone-based visualized molecularly imprinted electrochemiluminescence (MIECL) sensor was developed for the highly selective and sensitive detection of ciprofloxacin (CFX) in food. To boost the efficiency of electrochemiluminescence (ECL), oxygen vacancies (OVs) enrichment was introduced into the flower-like Tb@Lu2O3 nanoemitter. With the specific recognition reaction between MIP as capture probes and CFX as detection target, the ECL signal significantly decreased. According to, CFX analysis was determined by traditional ECL analyzer detector in the concentration range from 5 × 10-4 to 5 × 102 μmol L-1 with the detection limit (LOD) of 0.095 nmol L-1 (S/N = 3). Analysis of luminescence images using fast electrochemiluminescence judgment network (FEJ-Net) models, achieving portable and intelligent quick analysis of CFX. The proposed MIECL sensor was used for CFX analysis in real meat samples and satisfactory results, as well as efficient selectivity and good stability.
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Affiliation(s)
- Zhiwei Lu
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Yonghui Gong
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Chengao Shen
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Haoran Chen
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Weiling Zhu
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Tao Liu
- College of Information Engineering, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Chun Wu
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Mengmeng Sun
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Gehong Su
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Xianxing Wang
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Yanying Wang
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Jianshan Ye
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, PR China
| | - Xin Liu
- College of Food Science and Engineering, Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan 430023, PR China.
| | - Hanbing Rao
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China.
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10
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Im TY, Kim JY, Jang W, Wang DH. Surface defect mitigation via alkyl-ligand-controlled purification for stable and high-luminescence perovskite quantum dots. NANOSCALE 2024; 16:12118-12126. [PMID: 38829365 DOI: 10.1039/d4nr00638k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Perovskite quantum dots (PQDs) have received considerable attention as fluorescent materials due to their excellent optical properties. However, because PQDs contain ionic bonds, they have the disadvantage of being vulnerable to environmental conditions, so improving their stability is essential. Indeed, recent research has focused on improving both the stability and luminescence of PQDs by mixing them with methyl acetate (MeOAc) to suppress surface defects via purification. MeOAc reacts with the surface ligands of PQDs, resulting in ligand-controlled purification. However, while the ligands are limited for the PQD synthesis, the effect of ligand alkyl-chain length has not been reported. Therefore, we report herein a strategy for obtaining stable PQDs with tunable performances by using amine ligands of various chain lengths. The amine ligand is selected because it is very effective in interacting with the halide vacancies present on the surface of the perovskite crystal structure. The results indicate that MeOAc becomes less effective as the chain length of the ligand is increased, and more effective as the chain length is decreased. Consequently, PQDs treated with MeOAc and a short-chain ligand afford a quantum yield (QY) of 79.2% and are highly stable when exposed to thermal and ambient conditions. Therefore, we suggest a facile approach to suppressing the degradation of PQDs during the fabrication process.
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Affiliation(s)
- Tae Yong Im
- School of Integrative Engineering, Chung-Ang University, 84 Heukseok-Ro, Dongjak-gu, Seoul 06974, Republic of Korea.
| | - Jin Young Kim
- Department of Intelligent Semiconductor Engineering, Chung-Ang University, 84 Heukseok-Ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Woongsik Jang
- Department of Intelligent Semiconductor Engineering, Chung-Ang University, 84 Heukseok-Ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Dong Hwan Wang
- School of Integrative Engineering, Chung-Ang University, 84 Heukseok-Ro, Dongjak-gu, Seoul 06974, Republic of Korea.
- Department of Intelligent Semiconductor Engineering, Chung-Ang University, 84 Heukseok-Ro, Dongjak-gu, Seoul 06974, Republic of Korea
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11
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Zhu Y, Zhang J. Antimony-Based Halide Perovskite Nanoparticles as Lead-Free Photocatalysts for Controlled Radical Polymerization. Macromol Rapid Commun 2024; 45:e2300695. [PMID: 38350418 DOI: 10.1002/marc.202300695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/17/2024] [Indexed: 02/15/2024]
Abstract
Metal halide perovskites have emerged as versatile photocatalysts to convert solar energy for chemical processes. Perovskite photocatalyzed polymerization draws special attention due to its straightforward synthesis process and the ability to create advanced perovskite-polymer nanocomposites. Herein, this work employs Cs3Sb2Br9 perovskite nanoparticles (NPs) as a lead-free photocatalyst for light-controlled atom transfer radical polymerization (ATRP). Cs3Sb2Br9 NPs exhibit high reduction potential and interact with electronegative bromide initiator with Lewis acid Sb sites, enabling efficient photoinduced reduction of initiators and controlled polymerization under blue light irradiation. Methacrylate monomers with various functional groups are successfully polymerized, and the resulting polymer showcased a dispersity (Đ) as small as 1.27. The living nature of polymerization is confirmed by high chain end fidelity and kinetic studies. Moreover, Cs3Sb2Br9 NPs serve as heterogeneous photocatalysts, demonstrating recyclability and reusability for up to four cycles. This work presents a promising approach to overcome the limitations of lead-based perovskites in photoinduced controlled radical polymerization, offering a sustainable and efficient alternative for the synthesis of well-defined polymeric materials.
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Affiliation(s)
- Yifan Zhu
- Department of Materials Science and Nanoengineering, Rice University, Houston, Texas, 77005, USA
| | - Jiahui Zhang
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia, 30332, USA
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12
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Wang C, Yan L, Si J, Wang N, Li T, Hou X. Exceptional Stability against Water, UV Light, and Heat for CsPbBr 3@Pb-MOF Composites. SMALL METHODS 2024:e2400241. [PMID: 38644347 DOI: 10.1002/smtd.202400241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 03/20/2024] [Indexed: 04/23/2024]
Abstract
All-inorganic lead halide perovskite nanocrystals (NCs) have been widely applied in optoelectronic devices owing to their excellent photoluminescence (PL) properties. However, poor stability upon exposure to water, UV light or heat strongly limits their practical application. Herein, CsPbBr3@Pb-MOF composites with exceptional stability against water, UV light, and heat are synthesized by ultrasonic processing the precursors of lead-based MOF (Pb-MOF), oleylammonium bromide (OAmBr) and cesium oleate (Cs-OA) solutions at room temperature. Pb-MOF can not only provide the lead source for the in situ growth of CsPbBr3 NCs, but also the protective layer of perovskites NCs. The formed CsPbBr3@Pb-MOF composites show a considerable PL quantum yield (PLQY) of 67.8%, and can maintain 90% of the initial PL intensity when immersed in water for 2 months. In addition, the outstanding PL stability against UV light and heat is demonstrated with CsPbBr3 NCs synthesized by the conventional method as a comparison. Finally, a green (light-emitting diode) LED is fabricated using green-emitting CsPbBr3@Pb-MOF composites and exhibits excellent stability without packaging when immersed in water for 30 days. This study provides a practical approach to improve the stability in aqueous phase, which may pave the way for future applications for various optoelectronic devices.
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Affiliation(s)
- Chenxu Wang
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, No.28, Xianning West Road, Xi'an, 710049, China
| | - Lihe Yan
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, No.28, Xianning West Road, Xi'an, 710049, China
| | - Jinhai Si
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, No.28, Xianning West Road, Xi'an, 710049, China
| | - Ning Wang
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, No.28, Xianning West Road, Xi'an, 710049, China
| | - Ting Li
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, No.28, Xianning West Road, Xi'an, 710049, China
| | - Xun Hou
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, No.28, Xianning West Road, Xi'an, 710049, China
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13
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Chen J, Jiang G, Hamann E, Mescher H, Jin Q, Allegro I, Brenner P, Li Z, Gaponik N, Eychmüller A, Lemmer U. Organosilicon-Based Ligand Design for High-Performance Perovskite Nanocrystal Films for Color Conversion and X-ray Imaging. ACS NANO 2024; 18:10054-10062. [PMID: 38527458 PMCID: PMC11008364 DOI: 10.1021/acsnano.3c11991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/16/2024] [Accepted: 02/23/2024] [Indexed: 03/27/2024]
Abstract
Perovskite nanocrystals (PNCs) bear a huge potential for widespread applications, such as color conversion, X-ray scintillators, and active laser media. However, the poor intrinsic stability and high susceptibility to environmental stimuli including moisture and oxygen have become bottlenecks of PNC materials for commercialization. Appropriate barrier material design can efficiently improve the stability of the PNCs. Particularly, the strategy for packaging PNCs in organosilicon matrixes can integrate the advantages of inorganic-oxide-based and polymer-based encapsulation routes. However, the inert long-carbon-chain ligands (e.g., oleic acid, oleylamine) used in the current ligand systems for silicon-based encapsulation are detrimental to the cross-linking of the organosilicon matrix, resulting in performance deficiencies in the nanocrystal films, such as low transparency and large surface roughness. Herein, we propose a dual-organosilicon ligand system consisting of (3-aminopropyl)triethoxysilane (APTES) and (3-aminopropyl)triethoxysilane with pentanedioic anhydride (APTES-PA), to replace the inert long-carbon-chain ligands for improving the performance of organosilicon-coated PNC films. As a result, strongly fluorescent PNC films prepared by a facile solution-casting method demonstrate high transparency and reduced surface roughness while maintaining high stability in various harsh environments. The optimized PNC films were eventually applied in an X-ray imaging system as scintillators, showing a high spatial resolution above 20 lp/mm. By designing this promising dual organosilicon ligand system for PNC films, our work highlights the crucial influence of the molecular structure of the capping ligands on the optical performance of the PNC film.
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Affiliation(s)
- Junchi Chen
- Light
Technology Institute, Karlsruhe Institute
of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - Guocan Jiang
- Zhejiang
Institute of Photoelectronics, Department of Physics, Zhejiang Normal University, Jinhua, 321004 Zhejiang, P. R. China
- Physical
Chemistry, Technische Universität
Dresden (TUD), Zellescher
Weg 19, 01069 Dresden, Germany
| | - Elias Hamann
- Institute
for Photon Science and Synchrotron Radiation, Karlsruhe Institute of Technology (KIT), 76344, Eggenstein Leopoldshafen, Germany
| | - Henning Mescher
- Light
Technology Institute, Karlsruhe Institute
of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - Qihao Jin
- Light
Technology Institute, Karlsruhe Institute
of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - Isabel Allegro
- Light
Technology Institute, Karlsruhe Institute
of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - Philipp Brenner
- ZEISS
Innovation Hub @ KIT, Hermann-von-Helmholtz-Platz 6, 76344 Eggenstein-Leopoldshafen, Germany
| | - Zhengquan Li
- Zhejiang
Institute of Photoelectronics, Department of Physics, Zhejiang Normal University, Jinhua, 321004 Zhejiang, P. R. China
| | - Nikolai Gaponik
- Physical
Chemistry, Technische Universität
Dresden (TUD), Zellescher
Weg 19, 01069 Dresden, Germany
| | - Alexander Eychmüller
- Physical
Chemistry, Technische Universität
Dresden (TUD), Zellescher
Weg 19, 01069 Dresden, Germany
| | - Uli Lemmer
- Light
Technology Institute, Karlsruhe Institute
of Technology (KIT), Engesserstrasse 13, 76131 Karlsruhe, Germany
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14
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Gao S, Wang B, Chen F, He G, Zhang T, Li L, Li J, Zhou Y, Feng B, Mei D, Yu J. Confinement of CsPbBr 3 Perovskite Nanocrystals into Extra-large-pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution. Angew Chem Int Ed Engl 2024; 63:e202319996. [PMID: 38316641 DOI: 10.1002/anie.202319996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 01/30/2024] [Accepted: 02/03/2024] [Indexed: 02/07/2024]
Abstract
Metal halide perovskites (MHPs), renowned for their outstanding optoelectronic properties, hold significant promise as photocatalysts for hydrogen evolution reaction (HER). However, the low stability and insufficient exposure of catalytically active sites of bulky MHPs seriously impair their catalytic efficiency. Herein, we utilized an extra-large-pore zeolite ZEO-1 (JZO) as a host to confine and stabilize the CsPbBr3 nanocrystals (3.4 nm) for boosting hydrogen iodide (HI) splitting. The as-prepared CsPbBr3@ZEO-1 featured sufficiently exposed active sites, superior stability in acidic media, along with intrinsic extra-large pores of ZEO-1 that were favorable for molecule/ion adsorption and diffusion. Most importantly, the unique nanoconfinement effect of ZEO-1 led to the narrowing of the band gap of CsPbBr3, allowing for more efficient light utilization. As a result, the photocatalytic HER rate of the as-prepared CsPbBr3@ZEO-1 photocatalyst was increased to 1734 μmol ⋅ h-1 ⋅ g-1 (CsPbBr3) under visible light irradiation compared with bulk CsPbBr3 (11 μmol ⋅ h-1 ⋅ g-1 (CsPbBr3)), and the long-term durability (36 h) can be achieved. Furthermore, Pt was incorporated with well-dispersed CsPbBr3 nanocrystals into ZEO-1, resulting in a significant enhancement in activity (4826 μmol ⋅ h-1 ⋅ g-1 (CsPbBr3)), surpassing most of the Pt-integrated perovskite-based photocatalysts. Density functional theory (DFT) calculations and charge-carrier dynamics investigation revealed that the dramatically boosted photocatalytic performance of Pt/CsPbBr3@ZEO-1 could be attributed to the promotion of charge separation and transfer, as well as to the substantially lowered energy barrier for HER. This work highlights the advantage of extra-large-pore zeolites as the nanoscale platform to accommodate multiple photoactive components, opening up promising prospects in the design and exploitation of novel zeolite-confined photocatalysts for energy harvesting and storage.
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Affiliation(s)
- Shiqin Gao
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 130012, Changchun, China
- International Center of Future Science, Jilin University, 130012, Changchun, China
| | - Bolun Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 130012, Changchun, China
- International Center of Future Science, Jilin University, 130012, Changchun, China
| | - Feijian Chen
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 130012, Changchun, China
- International Center of Future Science, Jilin University, 130012, Changchun, China
| | - Guangyuan He
- School of Materials Science and Engineering, State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, 300387, Tianjin, China
| | - Tianjun Zhang
- College of Chemistry and Materials Science, Hebei University, 071002, Baoding, China
| | - Lin Li
- Electron Microscopy Center, Jilin University, 130012, Changchun, China
| | - Junyan Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 130012, Changchun, China
- Center for High-resolution Electron Microscopy (CħEM), School of Physical Science and Technology, ShanghaiTech University, 201210, Shanghai, China
| | - Yida Zhou
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 130012, Changchun, China
| | - Binyao Feng
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 130012, Changchun, China
| | - Donghai Mei
- School of Materials Science and Engineering, State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, 300387, Tianjin, China
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, 130012, Changchun, China
- International Center of Future Science, Jilin University, 130012, Changchun, China
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15
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Zhang J, Zhu Y. Exploiting the Photo-Physical Properties of Metal Halide Perovskite Nanocrystals for Bioimaging. Chembiochem 2024; 25:e202300683. [PMID: 38031246 DOI: 10.1002/cbic.202300683] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/29/2023] [Accepted: 11/29/2023] [Indexed: 12/01/2023]
Abstract
Perovskite nanomaterials have recently been exploited for bioimaging applications due to their unique photo-physical properties, including high absorbance, good photostability, narrow emissions, and nonlinear optical properties. These attributes outperform conventional fluorescent materials such as organic dyes and metal chalcogenide quantum dots and endow them with the potential to reshape a wide array of bioimaging modalities. Yet, their full potential necessitates a deep grasp of their structure-attribute relationship and strategies for enhancing water stability through surface engineering for meeting the stringent and unique requirements of each individual imaging modality. This review delves into this evolving frontier, highlighting how their distinctive photo-physical properties can be leveraged and optimized for various bioimaging modalities, including visible light imaging, near-infrared imaging, and super-resolution imaging.
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Affiliation(s)
- Jiahui Zhang
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia, 30332, USA
| | - Yifan Zhu
- Department of Materials Science and Nanoengineering, Rice University, Houston, Texas, 77005, USA
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16
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Cai YJ, Luo QX, Qi JX, Chen XJ, Liu JL, Zhang L, Liang RP, Qiu JD. Hydrogen-Bonded Organic Cocrystal-Encapsulated Perovskite Nanocrystals as Coreactant-Free Electrochemiluminescent Luminophore for the Detection of Uranium. Anal Chem 2024; 96:3553-3560. [PMID: 38362858 DOI: 10.1021/acs.analchem.3c05494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
Lead halide perovskite nanocrystals with excellent photophysical properties are promising electrochemiluminescence (ECL) candidates, but their poor stability greatly restricts ECL applications. Herein, hydrogen-bonded cocrystal-encapsulated CsPbBr3 perovskite nanocrystals (PeNCs@NHS-M) were synthesized by using PeNCs as nuclei for inducing the crystallization of melamine (M) and N-hydroxysuccinimide (NHS). The as-synthesized composite exhibits multiplicative ECL efficiencies (up to 24-fold that of PeNCs) without exogenous coreactants and with excellent stability in the aqueous phase. The enhanced stability can be attributed to the well-designed heterostructure of the PeNCs@NHS-M composite, which benefits from both moiety passivation and protection of the peripheral cocrystal matrix. Moreover, the heterostructure with covalent linkage facilitates charge transfer between PeNCs and NHS-M cocrystals, realizing effective ECL emission. Meanwhile, the NHS and M components act as coreactants for PeNCs, shortening the electron-transport distance and resulting in a significant increase in the ECL signal. Furthermore, by taking advantage of the specific binding effect between NHS-M and uranyl (UO22+), an ECL system with both a low detection limit (1 nM) and high selectivity for monitoring UO22+ in mining wastewater is established. The presence of UO22+ disrupted the charge-transfer effect within PeNCs@NHS-M, weakening the ECL signals. This work provides an efficient design strategy for obtaining stable and efficient ECLs from perovskite nanocrystals, offering a new perspective for the discovery and application of perovskite-based ECL systems.
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Affiliation(s)
- Yuan-Jun Cai
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Qiu-Xia Luo
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Jia-Xin Qi
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Xiao-Juan Chen
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Jin-Lan Liu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Li Zhang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Ru-Ping Liang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Jian-Ding Qiu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
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17
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Wang Z, Wei Y, Chen Y, Zhang H, Wang D, Ke J, Liu Y, Hong M. "Whole-Body" Fluorination for Highly Efficient and Ultra-Stable All-Inorganic Halide Perovskite Quantum Dots. Angew Chem Int Ed Engl 2024; 63:e202315841. [PMID: 38179848 DOI: 10.1002/anie.202315841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/20/2023] [Accepted: 01/02/2024] [Indexed: 01/06/2024]
Abstract
Inherent "soft" ionic lattice nature of halide perovskite quantum dots (QDs), triggered by the weak Pb-X (X=Cl, Br, I) bond, is recognized as the primary culprit for their serious instability. A promising way is to construct exceedingly strong ionic interaction inside the QDs and increase their crystal cohesive energy by substituting the interior X- with highly electronegative F- , however, which is challenging and hitherto remains unreported. Here, a "whole-body" fluorination strategy is proposed for strengthening the interior bonding architecture of QDs, wherein the F- are uniformly distributed throughout the whole nanocrystal encompassing both the interior lattice and surface, successfully stabilizing their "soft" crystal lattice and passivating surface defects. This approach effectively mitigates their intrinsic instability issues including light-induced phase segregation. As a result, light-emitting devices based on these QDs exhibit exceptional efficiency and remarkable stability.
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Affiliation(s)
- Zhaoyu Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Youchao Wei
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, China
| | - Yameng Chen
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, China
| | - Haoyu Zhang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Di Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, China
| | - Jianxi Ke
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, China
| | - Yongsheng Liu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, China
| | - Maochun Hong
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, China
- School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
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18
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Cova F, Erroi A, Zaffalon ML, Cemmi A, Di Sarcina I, Perego J, Monguzzi A, Comotti A, Rossi F, Carulli F, Brovelli S. Scintillation Properties of CsPbBr 3 Nanocrystals Prepared by Ligand-Assisted Reprecipitation and Dual Effect of Polyacrylate Encapsulation toward Scalable Ultrafast Radiation Detectors. NANO LETTERS 2024; 24:905-913. [PMID: 38197790 DOI: 10.1021/acs.nanolett.3c04083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2024]
Abstract
Lead halide perovskite nanocrystals (LHP-NCs) embedded in polymeric hosts are gaining attention as scalable and low-cost scintillation detectors for technologically relevant applications. Despite rapid progress, little is currently known about the scintillation properties and stability of LHP-NCs prepared by the ligand assisted reprecipitation (LARP) method, which allows mass scalability at room temperature unmatched by any other type of nanostructure, and the implications of incorporating LHP-NCs into polyacrylate hosts are still largely debated. Here, we show that LARP-synthesized CsPbBr3 NCs are comparable to particles from hot-injection routes and unravel the dual effect of polyacrylate incorporation, where the partial degradation of LHP-NCs luminescence is counterbalanced by the passivation of electron-poor defects by the host acrylic groups. Experiments on NCs with tailored surface defects show that the balance between such antithetical effects of polymer embedding is determined by the surface defect density of the NCs and provide guidelines for further material optimization.
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Affiliation(s)
- Francesca Cova
- Department of Materials Science, University of Milano─Bicocca, Via Roberto Cozzi 55, 20125 Milano, Italy
| | - Andrea Erroi
- Department of Materials Science, University of Milano─Bicocca, Via Roberto Cozzi 55, 20125 Milano, Italy
| | - Matteo L Zaffalon
- Department of Materials Science, University of Milano─Bicocca, Via Roberto Cozzi 55, 20125 Milano, Italy
| | - Alessia Cemmi
- ENEA Fusion and Technology for Nuclear Safety and Security Department, ENEA Casaccia Research Center, Via Anguillarese 301, 00123 Rome, Italy
| | - Ilaria Di Sarcina
- ENEA Fusion and Technology for Nuclear Safety and Security Department, ENEA Casaccia Research Center, Via Anguillarese 301, 00123 Rome, Italy
| | - Jacopo Perego
- Department of Materials Science, University of Milano─Bicocca, Via Roberto Cozzi 55, 20125 Milano, Italy
| | - Angelo Monguzzi
- Department of Materials Science, University of Milano─Bicocca, Via Roberto Cozzi 55, 20125 Milano, Italy
| | - Angiolina Comotti
- Department of Materials Science, University of Milano─Bicocca, Via Roberto Cozzi 55, 20125 Milano, Italy
| | - Francesca Rossi
- IMEM-CNR Institute, Parco Area delle Scienze, 37/A, 43124, Parma, Italy
| | - Francesco Carulli
- Department of Materials Science, University of Milano─Bicocca, Via Roberto Cozzi 55, 20125 Milano, Italy
| | - Sergio Brovelli
- Department of Materials Science, University of Milano─Bicocca, Via Roberto Cozzi 55, 20125 Milano, Italy
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19
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Li QF, Wang JT, Wang Z. Improving the stability of perovskite nanocrystals via SiO 2 coating and their applications. RSC Adv 2024; 14:1417-1430. [PMID: 38174228 PMCID: PMC10763656 DOI: 10.1039/d3ra07231b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 12/21/2023] [Indexed: 01/05/2024] Open
Abstract
Lead halide perovskite nanocrystals (LHP NCs) with outstanding optical properties have been regarded as promising alternatives to traditional phosphors for lighting and next-generation display technology. However, the practical applications of LHP NCs are seriously hindered by their poor stability upon exposure to moisture, oxygen, light, and heat. Hence, various strategies have been proposed to solve this issue. In this review, we have focused our attention on improving the stability of LHP NCs via SiO2 coating because it has the advantages of simple operation, less toxicity, and easy repetition. SiO2 coating is classified into four types: (a) in situ hydrolytic coating, (b) mesoporous silica loading, (c) mediated anchoring, and (d) double coating. The potential applications of SiO2-coated LHP NCs in the field of optoelectronics, biology, and catalysis are presented to elucidate the reliability and availability of SiO2 coating. Finally, the future development and challenges in the preparation of SiO2-coated LHP NCs are analyzed in order to promote the commercialization process of LHP NC-related commodities.
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Affiliation(s)
- Qing-Feng Li
- Henan Key Laboratory of Rare Earth Functional Materials, International Joint Research Laboratory for Biomedical Nanomaterials of Henan, Zhoukou Normal University Zhoukou 466001 Henan China
| | - Jin-Tao Wang
- Henan Key Laboratory of Rare Earth Functional Materials, International Joint Research Laboratory for Biomedical Nanomaterials of Henan, Zhoukou Normal University Zhoukou 466001 Henan China
| | - Zhenling Wang
- College of Materials Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials, Henan University of Engineering Xinzheng 451191 China
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20
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Wang X, Zhou L, Zhao X, Ma W, Wang X. Ligand-Enhanced Neodymium Doping of Perovskite Quantum Dots for Superior Exciton Confinement. MATERIALS (BASEL, SWITZERLAND) 2023; 16:7585. [PMID: 38138726 PMCID: PMC10744661 DOI: 10.3390/ma16247585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 11/30/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023]
Abstract
In this study, all-inorganic perovskite quantum dots (QDs) for pure blue emission are explored for full-color displays. We prepared CsPbBr3 and Cs3NdCl6 QDs via hot injection methods and mixed in various ratios at room temperature for color blending. Nd-doped CsPb(Cl/Br)3 QDs showed a blueshift in emission, and the photoluminescence quantum yields (PLQY, ΦPL) were lower in the 460-470 nm range due to surface halogen and Cs vacancies. To address this, we introduced a silane molecule, APTMS, via a ligand exchange process, effectively repairing these vacancies and enhancing Nd doping into the lattice. This modification promotes the PLQY to 94% at 466 nm. Furthermore, combining these QDs with [1]Benzothieno[3,2-b][1]benzothiophene (BTBT), a conjugated small-molecule semiconductor, in a composite film reduced PLQY loss caused by FRET in solid-state QD films. This approach achieved a wide color gamut of 124% National Television System Committee (NTSC), using a UV LED backlight and RGB perovskite QDs in a BTBT-based organic matrix as the color conversion layer. Significantly, the photostability of this composite was enhanced when used as a color conversion layer (CCL) under blue-LED excitation.
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Affiliation(s)
- Xianghua Wang
- Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electric Technology, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China; (L.Z.); (X.Z.); (W.M.); (X.W.)
- Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Lin Zhou
- Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electric Technology, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China; (L.Z.); (X.Z.); (W.M.); (X.W.)
- Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Xudong Zhao
- Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electric Technology, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China; (L.Z.); (X.Z.); (W.M.); (X.W.)
- Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Wenlong Ma
- Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electric Technology, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China; (L.Z.); (X.Z.); (W.M.); (X.W.)
- Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Xinjun Wang
- Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electric Technology, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China; (L.Z.); (X.Z.); (W.M.); (X.W.)
- Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China
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21
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Li H, Lai C, Wei Z, Zhou X, Liu S, Qin L, Yi H, Fu Y, Li L, Zhang M, Xu F, Yan H, Xu M, Ma D, Li Y. Strategies for improving the stability of perovskite for photocatalysis: A review of recent progress. CHEMOSPHERE 2023; 344:140395. [PMID: 37820881 DOI: 10.1016/j.chemosphere.2023.140395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/05/2023] [Accepted: 10/07/2023] [Indexed: 10/13/2023]
Abstract
Photocatalysis is currently a hot research field, which provides promising processes to produce green energy sources and other useful products, thus eventually benefiting carbon emission reduction and leading to a low-carbon future. The development and application of stable and efficient photocatalytic materials is one of the main technical bottlenecks in the field of photocatalysis. Perovskite has excellent performance in the fields of photocatalytic hydrogen evolution reaction (HER), oxygen evolution reaction (OER), carbon dioxide reduction reaction (CO2RR), organic synthesis and pollutant degradation due to its unique structure, flexibility and resulting excellent photoelectric and catalytic properties. The stability problems caused by perovskite's susceptibility to environmental influences hinder its further application in the field of photocatalysis. Therefore, this paper innovatively summarizes and analyzes the existing methods and strategies to improve the stability of perovskite in the field of photocatalysis. Specifically, (i) component engineering, (ii) morphological control, (iii) hybridization and encapsulation are thought to improve the stability of perovskites while improving photocatalytic efficiency. Finally, the challenges and prospects of perovskite photocatalysts are discussed, which provides constructive thinking for the potential application of perovskite photocatalysts.
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Affiliation(s)
- Hanxi Li
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Cui Lai
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China.
| | - Zhen Wei
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China.
| | - Xuerong Zhou
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Shiyu Liu
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Lei Qin
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Huan Yi
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Yukui Fu
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Ling Li
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Mingming Zhang
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Fuhang Xu
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Huchuan Yan
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Mengyi Xu
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Dengsheng Ma
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
| | - Yixia Li
- College of Environmental Science and Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Ministry of Education, Changsha, 410082, PR China
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22
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Mohkam M, Sadraeian M, Lauto A, Gholami A, Nabavizadeh SH, Esmaeilzadeh H, Alyasin S. Exploring the potential and safety of quantum dots in allergy diagnostics. MICROSYSTEMS & NANOENGINEERING 2023; 9:145. [PMID: 38025887 PMCID: PMC10656439 DOI: 10.1038/s41378-023-00608-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 09/01/2023] [Accepted: 09/07/2023] [Indexed: 12/01/2023]
Abstract
Biomedical investigations in nanotherapeutics and nanomedicine have recently intensified in pursuit of new therapies with improved efficacy. Quantum dots (QDs) are promising nanomaterials that possess a wide array of advantageous properties, including electronic properties, optical properties, and engineered biocompatibility under physiological conditions. Due to these characteristics, QDs are mainly used for biomedical labeling and theranostic (therapeutic-diagnostic) agents. QDs can be functionalized with ligands to facilitate their interaction with the immune system, specific IgE, and effector cell receptors. However, undesirable side effects such as hypersensitivity and toxicity may occur, requiring further assessment. This review systematically summarizes the potential uses of QDs in the allergy field. An overview of the definition and development of QDs is provided, along with the applications of QDs in allergy studies, including the detection of allergen-specific IgE (sIgE), food allergens, and sIgE in cellular tests. The potential treatment of allergies with QDs is also described, highlighting the toxicity and biocompatibility of these nanodevices. Finally, we discuss the current findings on the immunotoxicity of QDs. Several favorable points regarding the use of QDs for allergy diagnosis and treatment are noted.
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Affiliation(s)
- Milad Mohkam
- Allergy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Sadraeian
- Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW 2007 Australia
| | - Antonio Lauto
- School of Science, University of Western Sydney, Campbelltown, NSW 2560 Australia
- School of Medicine, University of Western Sydney, Campbelltown, NSW 2560 Australia
| | - Ahmad Gholami
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyed Hesamodin Nabavizadeh
- Allergy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Allergy and Clinical Immunology, Namazi Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hossein Esmaeilzadeh
- Allergy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Allergy and Clinical Immunology, Namazi Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Soheila Alyasin
- Allergy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Allergy and Clinical Immunology, Namazi Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
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23
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Mao S, Ren Y, Chen S, Liu D, Ye X, Tian J. Development and characterization of pH responsive sodium alginate hydrogel containing metal-phenolic network for anthocyanin delivery. Carbohydr Polym 2023; 320:121234. [PMID: 37659819 DOI: 10.1016/j.carbpol.2023.121234] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/21/2023] [Accepted: 07/22/2023] [Indexed: 09/04/2023]
Abstract
Favorable hydrogels can be used as a material to deliver bioactive molecules and improve the stability of bioactive substances, while their safety needs to be improved. In this study, protocatechuic acid (PCA) and Fe3+ were rapidly self-assembled to form a metal-phenolic network under different pH conditions, and then sodium alginate (SA) was added to prepare the SA/PCA/Fe hydrogel without adding other chemical reagents. The structural characteristic of SA/PCA/Fe hydrogel was characterized by infrared spectroscopy, X-ray diffraction analysis and scanning electron microscopy. The results showed that the structures of SA/PCA/Fe hydrogels prepared at different pH values were significantly different. The texture analysis, water-holding measurement and rheological analysis indicated that the SA/PCA/Fe hydrogel showed higher gel strength, water holding capacity and storage modulus. Thermogravimetric analysis illuminated that the SA/PCA/Fe hydrogel enhanced the thermal stability of free anthocyanins through encapsulating anthocyanins. Moreover, in vitro simulated digestion experiment revealed that SA/PCA/Fe hydrogel could control the release of anthocyanins in the simulated gastrointestinal tract. To sum up, this present study might provide a safer and feasible way for the delivery of bioactive substances.
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Affiliation(s)
- Shuifang Mao
- College of Biosystems Engineering and Food Science, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, Zhejiang University, Hangzhou 310058, China
| | - Yanming Ren
- College of Biosystems Engineering and Food Science, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, Zhejiang University, Hangzhou 310058, China
| | - Shiguo Chen
- College of Biosystems Engineering and Food Science, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, Zhejiang University, Hangzhou 310058, China; Zhejiang University Zhongyuan Institute, Zhengzhou 450000, China; The Rural Development Academy, Zhejiang University, Hangzhou 310058, China; Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, China; Ningbo Research Institute, Zhejiang University, Hangzhou 315100, China
| | - Donghong Liu
- College of Biosystems Engineering and Food Science, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, Zhejiang University, Hangzhou 310058, China
| | - Xingqian Ye
- College of Biosystems Engineering and Food Science, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, Zhejiang University, Hangzhou 310058, China; Zhejiang University Zhongyuan Institute, Zhengzhou 450000, China; The Rural Development Academy, Zhejiang University, Hangzhou 310058, China; Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, China; Ningbo Research Institute, Zhejiang University, Hangzhou 315100, China.
| | - Jinhu Tian
- College of Biosystems Engineering and Food Science, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, Zhejiang University, Hangzhou 310058, China; Zhejiang University Zhongyuan Institute, Zhengzhou 450000, China; The Rural Development Academy, Zhejiang University, Hangzhou 310058, China; Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, China; Ningbo Research Institute, Zhejiang University, Hangzhou 315100, China.
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24
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Yang X, Qaid SMH, Wang B, Cai W, Qian Q, Zang Z. Broadband Near-Infrared Emission from 0D Hybrid Copper Halides. Inorg Chem 2023; 62:18591-18598. [PMID: 37916511 DOI: 10.1021/acs.inorgchem.3c02900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Metal halides have attracted increasing attention owing to their outstanding optoelectronic properties and tunable emission characteristics. Among these, low-dimensional metal halides have emerged as a novel and efficient luminescent material, primarily attributed to their broad spectral emission induced by self-trapped excitons (STEs). However, achieving highly efficient deep red and near-infrared (NIR) emission in metal halides remains a challenge. In this study, we report a novel zero-dimensional (0D) copper-based metal halide [Na2(DMSO)8]Cu4Br6 as the NIR light source, which exhibits a full width at half-maximum (FWHM) of 195 nm peaking at 685 nm, an impressive quantum efficiency of 68% and a large Stokes shift of 299 nm. Through comprehensive spectral analysis and meticulous data calculations, we substantiate that the emission originates from STEs formed within the 0D structure. Furthermore, we demonstrate the potential application of [Na2(DMSO)8]Cu4Br6 as an invisible light source in night vision by combining it with a commercially available 365 nm ultraviolet (UV) chip. This work not only enriches the family of low-dimensional metal halide materials but also inspires the potential of low-dimensional metal halides in night vision applications.
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Affiliation(s)
- Xin Yang
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), Chongqing University, Chongqing 400044, China
| | - Saif M H Qaid
- Department of Physics & Astronomy, College of Sciences, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Baiqian Wang
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), Chongqing University, Chongqing 400044, China
| | - Wensi Cai
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), Chongqing University, Chongqing 400044, China
| | - Qingkai Qian
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), Chongqing University, Chongqing 400044, China
| | - Zhigang Zang
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), Chongqing University, Chongqing 400044, China
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25
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Kim JI, Zeng Q, Park S, Lee H, Park J, Kim T, Lee TW. Strategies to Extend the Lifetime of Perovskite Downconversion Films for Display Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2209784. [PMID: 36525667 DOI: 10.1002/adma.202209784] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/11/2022] [Indexed: 06/17/2023]
Abstract
Metal halide perovskite nanocrystals (PeNCs) have outstanding luminescent properties that are suitable for displays that have high color purity and high absorption coefficient; so they are evaluated for application as light emitters for organic light-emitting diodes, light-converters for downconversion displays, and future near-eye augmented reality/virtual reality displays. However, PeNCs are chemically vulnerable to heat, light, and moisture, and these weaknesses must be overcome before devices that use PeNCs can be commercialized. This review examines strategies to overcome the low stability of PeNCs and thereby permit the fabrication of stable downconversion films, and summarizes downconversion-type display applications and future prospects. First, methods to increase the chemical stability of PeNCs are examined. Second, methods to encapsulate PeNC downconversion films to increase their lifetime are reviewed. Third, methods to increase the long-term compatibility of resin with PeNCs, and finally, how to secure stability using fillers added to the resin are summarized. Fourth, the method to manufacture downconversion films and the procedure to evaluate their reliability for commercialization is then described. Finally, the prospects of a downconversion system that exploits the properties of PeNCs and can be employed to fabricate fine pixels for high-resolution displays and for near-eye augmented reality/virtual reality devices are explored.
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Affiliation(s)
- Jae Il Kim
- Department of Materials Science and Engineering, Seoul National University, 08826, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
- Research Institute of Advanced Materials, Seoul National University, 08826, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
| | - Qingsen Zeng
- Department of Materials Science and Engineering, Seoul National University, 08826, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
| | - Sunghee Park
- School of Chemical and Biological Engineering, Seoul National University, 08826, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
- PEROLED Co. Ltd., 08826, Building 940, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
| | - Hyejin Lee
- Department of Materials Science and Engineering, Seoul National University, 08826, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
| | - Jinwoo Park
- Department of Materials Science and Engineering, Seoul National University, 08826, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
| | - Taejun Kim
- School of Chemical and Biological Engineering, Seoul National University, 08826, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
| | - Tae-Woo Lee
- Department of Materials Science and Engineering, Seoul National University, 08826, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
- Research Institute of Advanced Materials, Seoul National University, 08826, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
- PEROLED Co. Ltd., 08826, Building 940, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
- Soft Foundry, Seoul National University, 08826, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
- Institute of Engineering Research, Seoul National University, 08826, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
- SN Display Co. Ltd., 08826, Building 33, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
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26
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Luo C, Zheng Z, Ding Y, Ren Z, Shi H, Ji H, Zhou X, Chen Y. High-Resolution, Highly Transparent, and Efficient Quantum Dot Light-Emitting Diodes. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303329. [PMID: 37335765 DOI: 10.1002/adma.202303329] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/16/2023] [Indexed: 06/21/2023]
Abstract
Aiming at next-generation displays, high-resolution quantum dot light-emitting diodes (QLEDs) with high efficiency and transparency are highly desired. However, there is limited study involving the improvements of QLED pixel resolution, efficiency, and transparency simultaneously, which undoubtedly restricts the practical applications of QLED for next-generation displays. Here, the strategy of electrostatic force-induced deposition (EF-ID) is proposed by introducing alternating polyethyleneimine (PEI) and fluorosilane patterns to synergistically improve the pixel accuracy and transmittance of QD patterns. More importantly, the leakage current induced by the void spaces between pixels that is usually reported for high-resolution QLEDs is greatly suppressed by substrate-assisted insulating fluorosilane patterns. Finally, high-performance QLEDs with high resolution ranging from 1104 to 3031 pixels per inch (PPI) and a high efficiency of 15.6% are achieved, among the best performances of high resolution QLEDs. Notably, the high resolution QD pixels greatly enhance the transmittance of the QD patterns, thus prompting an impressive transmittance of 90.7% for the transparent QLEDs (2116 PPI), which represents the highest transmittance of transparent QLED devices. Consequently, this work contributes an effective and general approach for high-resolution QLEDs with high efficiency and transparency.
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Affiliation(s)
- Chengzhao Luo
- School of Optoelectronic Science and Engineering, Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, P. R. China
| | - Zhishuai Zheng
- School of Optoelectronic Science and Engineering, Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, P. R. China
| | - Yanhui Ding
- School of Optoelectronic Science and Engineering, Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, P. R. China
| | - Zhenwei Ren
- School of Optoelectronic Science and Engineering, Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, P. R. China
| | - Hengfei Shi
- School of Optoelectronic Science and Engineering, Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, P. R. China
| | - Huifeng Ji
- School of Optoelectronic Science and Engineering, Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, P. R. China
| | - Xin Zhou
- School of Optoelectronic Science and Engineering, Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, P. R. China
| | - Yu Chen
- School of Optoelectronic Science and Engineering, Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, P. R. China
- National University of Singapore Suzhou Research Institute, Dushu Lake Science and Education Innovation District, Suzhou, 215123, P. R. China
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Antolini F. Direct Optical Patterning of Quantum Dots: One Strategy, Different Chemical Processes. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2008. [PMID: 37446523 DOI: 10.3390/nano13132008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/15/2023]
Abstract
Patterning, stability, and dispersion of the semiconductor quantum dots (scQDs) are three issues strictly interconnected for successful device manufacturing. Recently, several authors adopted direct optical patterning (DOP) as a step forward in photolithography to position the scQDs in a selected area. However, the chemistry behind the stability, dispersion, and patterning has to be carefully integrated to obtain a functional commercial device. This review describes different chemical strategies suitable to stabilize the scQDs both at a single level and as an ensemble. Special attention is paid to those strategies compatible with direct optical patterning (DOP). With the same purpose, the scQDs' dispersion in a matrix was described in terms of the scQD surface ligands' interactions with the matrix itself. The chemical processes behind the DOP are illustrated and discussed for five different approaches, all together considering stability, dispersion, and the patterning itself of the scQDs.
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Affiliation(s)
- Francesco Antolini
- Fusion and Technologies for Nuclear Safety and Security Department, Physical Technology for Safety and Health Division, ENEA C.R. Frascati, Via E. Fermi 45, 00044 Frascati, Italy
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Zheng W, Wang X, Zhang X, Chen B, Suo H, Xing Z, Wang Y, Wei HL, Chen J, Guo Y, Wang F. Emerging Halide Perovskite Ferroelectrics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2205410. [PMID: 36517207 DOI: 10.1002/adma.202205410] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 11/23/2022] [Indexed: 05/26/2023]
Abstract
Halide perovskites have gained tremendous attention in the past decade owing to their excellent properties in optoelectronics. Recently, a fascinating property, ferroelectricity, has been discovered in halide perovskites and quickly attracted widespread interest. Compared with traditional perovskite oxide ferroelectrics, halide perovskites display natural advantages such as structural softness, low weight, and easy processing, which are highly desirable in applications pursuing miniaturization and flexibility. This review focuses on the current research progress in halide perovskite ferroelectrics, encompassing the emerging materials systems and their potential applications in ferroelectric photovoltaics, self-powered photodetection, and X-ray detection. The main challenges and possible solutions in the future development of halide perovskite ferroelectric materials are also attempted to be pointed out.
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Affiliation(s)
- Weilin Zheng
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Xiucai Wang
- School of Materials Science and Hydrogen Energy, Foshan University, Foshan, 528000, P. R. China
| | - Xin Zhang
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Bing Chen
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Hao Suo
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Zhifeng Xing
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Yanze Wang
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Han-Lin Wei
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Jiangkun Chen
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Yang Guo
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Feng Wang
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
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29
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Getachew G, Wibrianto A, Rasal AS, Batu Dirersa W, Chang JY. Metal halide perovskite nanocrystals for biomedical engineering: Recent advances, challenges, and future perspectives. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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Wang X, Zhuo S, Fu J, Li X, Zhao X, Jiang H, Lv G, Li P, Li J, Zhang WH, Ma W. Hybrid Ligand Polymerization for Weakly Confined Lead Halide Perovskite Quantum Dots. ACS APPLIED MATERIALS & INTERFACES 2023; 15:20208-20218. [PMID: 37040451 DOI: 10.1021/acsami.2c21464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Rational ligand passivation is essential to achieve a higher performance of weakly confined lead halide perovskite quantum dots (PQDs) via a mechanism of surface chemistry and/or microstrain. In situ passivation with 3-mercaptopropyltrimethoxysilane (MPTMS) produces CsPbBr3 PQDs with an enhanced photoluminescence quantum yield (PLQY, ΦPL) of up to 99%; meanwhile, charge transport of the PQD film can be enhanced by one order of magnitude. Herein, we examine the effect of the molecular structure of MPTMS as the ligand exchange agent in comparison to octanethiol. Both thiol ligands promote crystal growth of PQDs, inhibit nonradiative recombination, and cause blue-shifted PL, while the silane moiety of MPTMS manipulates surface chemistry and outperforms owing to its unique cross-linking chemistry characterized by FTIR vibrations at 908 and 1641 cm-1. Emergence of the diagnostic vibrations is ascribed to hybrid ligand polymerization arising from the silyl tail group that confers the advantages of narrower size dispersion, lower shell thickness, more static surface binding, and higher moisture resistance. In contrast, the superior electrical property of the thiol-passivated PQDs is mostly determined by the covalent S-Pb bonding on the interface.
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Affiliation(s)
- Xianghua Wang
- Academy of Opto-Electric Technology, Special Display and Imaging Technology, Innovation Center of Anhui Province, National Engineering Laboratory of Special Display Technology, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Shaoqi Zhuo
- Academy of Opto-Electric Technology, Special Display and Imaging Technology, Innovation Center of Anhui Province, National Engineering Laboratory of Special Display Technology, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Jing Fu
- Ningxia Key Laboratory of Photovoltaic Materials, Ningxia University, Yinchuan 750021, Ningxia, People's Republic of China
| | - Xuedong Li
- Academy of Opto-Electric Technology, Special Display and Imaging Technology, Innovation Center of Anhui Province, National Engineering Laboratory of Special Display Technology, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Xudong Zhao
- Academy of Opto-Electric Technology, Special Display and Imaging Technology, Innovation Center of Anhui Province, National Engineering Laboratory of Special Display Technology, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Hao Jiang
- Academy of Opto-Electric Technology, Special Display and Imaging Technology, Innovation Center of Anhui Province, National Engineering Laboratory of Special Display Technology, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Ge Lv
- Academy of Opto-Electric Technology, Special Display and Imaging Technology, Innovation Center of Anhui Province, National Engineering Laboratory of Special Display Technology, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Pengbo Li
- Academy of Opto-Electric Technology, Special Display and Imaging Technology, Innovation Center of Anhui Province, National Engineering Laboratory of Special Display Technology, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Jiafa Li
- Academy of Opto-Electric Technology, Special Display and Imaging Technology, Innovation Center of Anhui Province, National Engineering Laboratory of Special Display Technology, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Wen-Hua Zhang
- School of Materials and Energy, Yunnan University, Kunming 650091, Yunnan, People's Republic of China
| | - Wei Ma
- Ningxia Key Laboratory of Photovoltaic Materials, Ningxia University, Yinchuan 750021, Ningxia, People's Republic of China
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31
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Lai Z, Zhang Y, Meng Y, Bu X, Wang W, Xie P, Wang W, Liu C, Yip S, Ho JC. Contact Engineering of Halide Perovskites: Gold is Not Good Enough; Metalloid is Better. SMALL METHODS 2023:e2201567. [PMID: 37029706 DOI: 10.1002/smtd.202201567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 02/27/2023] [Indexed: 06/19/2023]
Abstract
The operation stability of halide perovskite devices is the critical issue that impedes their commercialization. The main reasons are that the ambient H2 O molecules can easily deteriorate the perovskites, while the metal electrodes react in different degrees with the perovskites. Herein, one kind of new electrode, the metalloids, is reported, which are much more stable than the conventional noble metals as electrical contacts for halide perovskites. The degradation mechanism of halide perovskites with noble metal electrodes is carefully studied and compared with the metalloid electrodes. It is found that the iodide ions can easily halogenate Cu and Ag in halide perovskites. Although Au is almost not halogenated, it can also decompose the perovskite film. On the contrary, after long-term storage, the metalloid electrodes remain intact on the perovskite film without any degradation. In addition, the long-time operation stability of the perovskite devices with metalloid electrodes is much higher than that of noble metals. First-principles calculations confirm the exceptional stability of the metalloid electrodes.This work explores the ultra-stable electrodes for halide perovskites, paving the way to the large-scale deployment of perovskite-based electronic devices.
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Affiliation(s)
- Zhengxun Lai
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Yuxuan Zhang
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - You Meng
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
- State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Xiuming Bu
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Wei Wang
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Pengshan Xie
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Weijun Wang
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Chuntai Liu
- Key Laboratory of Advanced Materials Processing & Mold (Zhengzhou University), Ministry of Education, Zhengzhou, 450002, China
| | - SenPo Yip
- Institute for Materials Chemistry and Engineering, Kyushu University, Fukuoka, 816-8580, Japan
| | - Johnny C Ho
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
- State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
- Institute for Materials Chemistry and Engineering, Kyushu University, Fukuoka, 816-8580, Japan
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32
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Lin Z, Lin Z, Guo Y, Wu H, Song J, Zhang Y, Zhang W, Li H, Hou D, Huang R. Effect of a-SiC xN y:H Encapsulation on the Stability and Photoluminescence Property of CsPbBr 3 Quantum Dots. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13071228. [PMID: 37049319 PMCID: PMC10097036 DOI: 10.3390/nano13071228] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/28/2023] [Accepted: 03/29/2023] [Indexed: 06/12/2023]
Abstract
The effect of a-SiCxNy:H encapsulation layers, which are prepared using the very-high-frequency plasma-enhanced chemical vapor deposition (VHF-PECVD) technique with SiH4, CH4, and NH3 as the precursors, on the stability and photoluminescence of CsPbBr3 quantum dots (QDs) were investigated in this study. The results show that a-SiCxNy:H encapsulation layers containing a high N content of approximately 50% cause severe PL degradation of CsPbBr3 QDs. However, by reducing the N content in the a-SiCxNy:H layer, the PL degradation of CsPbBr3 QDs can be significantly minimized. As the N content decreases from around 50% to 26%, the dominant phase in the a-SiCxNy:H layer changes from SiNx to SiCxNy. This transition preserves the inherent PL characteristics of CsPbBr3 QDs, while also providing them with long-term stability when exposed to air, high temperatures (205 °C), and UV illumination for over 600 days. This method provided an effective and practical approach to enhance the stability and PL characteristics of CsPbBr3 QD thin films, thus holding potential for future developments in optoelectronic devices.
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Affiliation(s)
- Zewen Lin
- School of Materials Science and Engineering, Hanshan Normal University, Chaozhou 521041, China; (Z.L.)
- National Laboratory of Solid State Microstructures/School of Electronics Science and Engineering/Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Zhenxu Lin
- School of Materials Science and Engineering, Hanshan Normal University, Chaozhou 521041, China; (Z.L.)
| | - Yanqing Guo
- School of Materials Science and Engineering, Hanshan Normal University, Chaozhou 521041, China; (Z.L.)
| | - Haixia Wu
- School of Materials Science and Engineering, Hanshan Normal University, Chaozhou 521041, China; (Z.L.)
| | - Jie Song
- School of Materials Science and Engineering, Hanshan Normal University, Chaozhou 521041, China; (Z.L.)
| | - Yi Zhang
- School of Materials Science and Engineering, Hanshan Normal University, Chaozhou 521041, China; (Z.L.)
| | - Wenxing Zhang
- School of Materials Science and Engineering, Hanshan Normal University, Chaozhou 521041, China; (Z.L.)
| | - Hongliang Li
- School of Materials Science and Engineering, Hanshan Normal University, Chaozhou 521041, China; (Z.L.)
| | - Dejian Hou
- School of Materials Science and Engineering, Hanshan Normal University, Chaozhou 521041, China; (Z.L.)
| | - Rui Huang
- School of Materials Science and Engineering, Hanshan Normal University, Chaozhou 521041, China; (Z.L.)
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Yang Z, Zong S, Jiang G, Zhu K, Qian Z, Yang K, Wang Z, Cui Y. Metal nanoprobe-decorated all-inorganic perovskite nanocrystal-based fluorescence-linked immunosorbent assay for the detection of tumor-derived exosomes. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:1037-1046. [PMID: 36779367 DOI: 10.1039/d2ay01855a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
All-inorganic perovskite nanocrystals (CsPbX3 NCs, X = Cl, Br, I) are promising fluorescence materials for biological detection due to their excellent optical properties. However, there is still a challenge to obtain stable CsPbX3 NCs with more biofunctions. Here, we proposed a distinct strategy by absorbing the functionalized metal nanoprobes onto the phospholipid encapsulated CsPbX3 NCs to achieve CsPbX3-metal hybrids as probes for the detection of tumor-derived exosomes. Here, the metal nanoprobes have two functions: first, it endows phospholipid encapsulated CsPbX3 NCs with recognition ability; second, it avoids the fluorescence quenching of CsPbX3 NCs during the biological modification process by using metal nanoparticles as a bridge to connect with CsPbX3 NCs and various biomolecules. The obtained CPXD-AD exhibited a bright fluorescence signal, narrow full width at half-maximum (FWHM), and high specificity. Under optimal conditions, the CPXD-AD-based fluorescence-linked immunosorbent assay (FLISA) was successfully established and used for both qualitative and quantitative detection of tumor-derived exosomes.
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Affiliation(s)
- Zhaoyan Yang
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.
| | - Shenfei Zong
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.
| | - Guohua Jiang
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.
| | - Kai Zhu
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.
| | - Ziting Qian
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.
| | - Kuo Yang
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.
| | - Zhuyuan Wang
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.
| | - Yiping Cui
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.
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Oh JH, Cho SB, Park IK, Lee SN. Monolithic Multicolor Emissions of InGaN-Based Hybrid Light-Emitting Diodes Using CsPbBr 3 Green Quantum Dots. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1290. [PMID: 36770294 PMCID: PMC9921764 DOI: 10.3390/ma16031290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/28/2023] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
To address the increasing demand for multicolor light-emitting diodes (LEDs), a monolithic multicolor LED with a simple process and high reliability is desirable. In this study, organic-inorganic hybrid LEDs with violet and green wavelengths were fabricated by depositing CsPbBr3 perovskite green quantum dots (QDs) as the light-converting material on InGaN-based violet LEDs. As the injection current was increased, the total electroluminescence (EL) intensities of the hybrid LEDs increased, whereas the light-converted green emission efficiency of the CsPbBr3 QDs decreased. The maximum green-to-violet EL spectral intensity ratio of the hybrid LEDs with CsPbBr3 QDs was achieved with the injection current of <10 mA. Moreover, the EL spectral ratio of the green-to-violet emission decreased at an injection current of 100 mA. The light-conversion intensity of the CsPbBr3 QDs decreased linearly as the junction temperature of the hybrid LEDs was increased with increasing injection current, similar to the temperature-dependent photoluminescence degradation of CsPbBr3 QDs. In addition, the junction temperature of the hybrid LED was minimized by pulse injection to suppress the thermal degradation of QDs and increase the light conversion efficiency to green emission. Therefore, the overall emission spectrum color coordinates of the hybrid LEDs exhibited a red shift from violet to blue in the low-current region and a blue shift toward violet as the green emission of the QDs was decreased above 10 mA.
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Affiliation(s)
- Jae-Hyeok Oh
- Department of IT & Semiconductor Convergence Engineering, Tech University of Korea, Siheung 15073, Republic of Korea
| | - Seung-Beom Cho
- Department of Materials and Science Engineering, Seoul National University of Science & Technology, Seoul 01811, Republic of Korea
| | - Il-Kyu Park
- Department of Materials and Science Engineering, Seoul National University of Science & Technology, Seoul 01811, Republic of Korea
| | - Sung-Nam Lee
- Department of IT & Semiconductor Convergence Engineering, Tech University of Korea, Siheung 15073, Republic of Korea
- Department of Nano & Semiconductor Engineering, Tech University of Korea, Siheung 15073, Republic of Korea
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35
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Li K, Zhang W, Niu L, Ye Y, Ren J, Liu C. Lead-Free Cesium Manganese Halide Nanocrystals Embedded Glasses for X-Ray Imaging. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2204843. [PMID: 36461760 PMCID: PMC9896042 DOI: 10.1002/advs.202204843] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 11/20/2022] [Indexed: 06/01/2023]
Abstract
The toxicity of heavy-metal Pb and instability of lead-based halide perovskite nanomaterials are main factors to impede their practical applications in the fields of solar cells, LEDs and scintillators. In this paper, all inorganic lead-free cesium manganese halide nanocrystals are synthesized in glass for the first time. Red photoluminescence with broad PL band, negligible self-absorption and a high photoluminescence quantum yield of 41.8% is obtained. In addition, modulating halide component can change the Mn2+ ions coordination environment to obtain tunable photoluminescence from red to green. More importantly, cesium manganese halide nanocrystals embedded glasses exhibit outstanding long-term stabilities. Theses cesium manganese halide nanocrystals embedded glasses are also highly stable against high energy irradiation and exhibit highly efficient radioluminescence, making them promising for high-resolution X-ray imaging. These results demonstrate that cesium manganese halide nanocrystals embedded glasses are promising eco-friendly candidates for applications in light-emitting diodes and scintillators.
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Affiliation(s)
- Kai Li
- State Key Laboratory of Silicate Materials for Architectures (SMART)Wuhan University of Technology122 Luoshi Road, HongshanWuhanHubei430070P. R. China
| | - Wenchao Zhang
- State Key Laboratory of Silicate Materials for Architectures (SMART)Wuhan University of Technology122 Luoshi Road, HongshanWuhanHubei430070P. R. China
| | - Luyue Niu
- Key Laboratory of In‐fiber Integrated OpticsMinistry Education of ChinaHarbin Engineering UniversityHarbin150001China
| | - Ying Ye
- State Key Laboratory of Silicate Materials for Architectures (SMART)Wuhan University of Technology122 Luoshi Road, HongshanWuhanHubei430070P. R. China
| | - Jing Ren
- Key Laboratory of In‐fiber Integrated OpticsMinistry Education of ChinaHarbin Engineering UniversityHarbin150001China
| | - Chao Liu
- State Key Laboratory of Silicate Materials for Architectures (SMART)Wuhan University of Technology122 Luoshi Road, HongshanWuhanHubei430070P. R. China
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36
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Chen S, Yin H, Liu P, Wang Y, Zhao H. Stabilization and Performance Enhancement Strategies for Halide Perovskite Photocatalysts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2203836. [PMID: 35900361 DOI: 10.1002/adma.202203836] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 07/15/2022] [Indexed: 06/15/2023]
Abstract
Solar-energy-powered photocatalytic fuel production and chemical synthesis are widely recognized as viable technological solutions for a sustainable energy future. However, the requirement of high-performance photocatalysts is a major bottleneck. Halide perovskites, a category of diversified semiconductor materials with suitable energy-band-enabled high-light-utilization efficiencies, exceptionally long charge-carrier-diffusion-length-facilitated charge transport, and readily tailorable compositional, structural, and morphological properties, have emerged as a new class of photocatalysts for efficient hydrogen evolution, CO2 reduction, and various organic synthesis reactions. Despite the noticeable progress, the development of high-performance halide perovskite photocatalysts (HPPs) is still hindered by several key challenges: the strong ionic nature and high hydrolysis tendency induce instability and an unsatisfactory activity due to the need for a coactive component to realize redox processes. Herein, the recently developed advanced strategies to enhance the stability and photocatalytic activity of HPPs are comprehensively reviewed. The widely applicable stability enhancement strategies are first articulated, and the activity improvement strategies for fuel production and chemical synthesis are then explored. Finally, the challenges and future perspectives associated with the application of HPPs in efficient production of fuels and value-added chemicals are presented, indicating the irreplaceable role of the HPPs in the field of photocatalysis.
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Affiliation(s)
- Shan Chen
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230039, P. R. China
| | - Huajie Yin
- Institute of Solid State Physics, Hefei Institutes of Physical ScienceChinese Academy of Sciences, 230031, Hefei, P. R. China
| | - Porun Liu
- Centre for Catalysis and Clean Energy, Gold Cost Campus, Griffith University, Queensland, 4222, Australia
| | - Yun Wang
- Centre for Catalysis and Clean Energy, Gold Cost Campus, Griffith University, Queensland, 4222, Australia
| | - Huijun Zhao
- Centre for Catalysis and Clean Energy, Gold Cost Campus, Griffith University, Queensland, 4222, Australia
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37
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Pinheiro A, Ruivo A, Rocha J, Ferro M, Pinto JV, Deuermeier J, Mateus T, Santa A, Mendes MJ, Martins R, Gago S, Laia CAT, Águas H. Parylene-Sealed Perovskite Nanocrystals Down-Shifting Layer for Luminescent Spectral Matching in Thin Film Photovoltaics. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:210. [PMID: 36616119 PMCID: PMC9823874 DOI: 10.3390/nano13010210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
The present contribution aims to enhance solar cells' performance via the development of advanced luminescent down-shifting based on encapsulated nanostructured perovskite materials. Here, thin films of inorganic lead halide (CsPbBr3) perovskite nanocrystal luminophores were synthetized, by hot-injection, deposited on glass substrates by spin-coating, and encapsulated with parylene type C, via chemical vapor deposition, to protect and stabilize the films. The optical properties of these thin films were characterized by absorption, emission and 2D contour spectra, their structure by X-ray diffraction and X-ray photoelectron spectroscopy, and the morphology by Scanning Transmission Electron microscopy. I-V curve and spectral response nanocrystalline silicon photovoltaic (nc-Si:H PV) cells were studied in the absence and presence of the perovskite and parylene luminescent down-shifting layers. The incorporation of the CsPbBr3 nanocrystals and their encapsulation with the parylene type C polymeric coating led to an increase in the current generated and the spectral response of the PV cells in the regime of the nanocrystals' fluorescence emission. A 3.1% increase in the short circuit current density and a 5.6% increase in the power conversion efficiency were observed.
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Affiliation(s)
- Ana Pinheiro
- R&D Unit VICARTE—Vidro e Cerâmica para as Artes, NOVA School of Science and Technology, Largo da Torre, 2825-516 Caparica, Portugal
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), NOVA School of Sciences and Technology, FCT NOVA, Largo da Torre, 2825-516 Caparica, Portugal
| | - Andreia Ruivo
- R&D Unit VICARTE—Vidro e Cerâmica para as Artes, NOVA School of Science and Technology, Largo da Torre, 2825-516 Caparica, Portugal
| | - João Rocha
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Marta Ferro
- Department of Materials and Ceramic Engineering, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Joana Vaz Pinto
- CENIMAT|i3N, NOVA School of Sciences and Technology and CEMOP/UNINOVA, FCT NOVA, Largo da Torre, 2825-516 Caparica, Portugal
| | - Jonas Deuermeier
- CENIMAT|i3N, NOVA School of Sciences and Technology and CEMOP/UNINOVA, FCT NOVA, Largo da Torre, 2825-516 Caparica, Portugal
| | - Tiago Mateus
- CENIMAT|i3N, NOVA School of Sciences and Technology and CEMOP/UNINOVA, FCT NOVA, Largo da Torre, 2825-516 Caparica, Portugal
| | - Ana Santa
- CENIMAT|i3N, NOVA School of Sciences and Technology and CEMOP/UNINOVA, FCT NOVA, Largo da Torre, 2825-516 Caparica, Portugal
| | - Manuel J. Mendes
- CENIMAT|i3N, NOVA School of Sciences and Technology and CEMOP/UNINOVA, FCT NOVA, Largo da Torre, 2825-516 Caparica, Portugal
| | - Rodrigo Martins
- CENIMAT|i3N, NOVA School of Sciences and Technology and CEMOP/UNINOVA, FCT NOVA, Largo da Torre, 2825-516 Caparica, Portugal
| | - Sandra Gago
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), NOVA School of Sciences and Technology, FCT NOVA, Largo da Torre, 2825-516 Caparica, Portugal
| | - César A. T. Laia
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), NOVA School of Sciences and Technology, FCT NOVA, Largo da Torre, 2825-516 Caparica, Portugal
| | - Hugo Águas
- CENIMAT|i3N, NOVA School of Sciences and Technology and CEMOP/UNINOVA, FCT NOVA, Largo da Torre, 2825-516 Caparica, Portugal
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38
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Song W, Zhang B, Zhou W, Zhang J, Yu L, Lian S. Suppression of Thermal Quenching for CsPbX 3 (X = Cl, Br, and I) Quantum Dots via the Hollow Structure of SrTiO 3 and Light-Emitting Diode Applications. Inorg Chem 2022; 61:19899-19906. [PMID: 36443950 DOI: 10.1021/acs.inorgchem.2c03141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
All-inorganic perovskite quantum dots (PQDs, CsPbX3, X = Cl, Br, and I) show outstanding application prospects in the field of photoelectric devices. In recent years, the development of PQDs has greatly improved their stability to water, oxygen, and light. However, thermal quenching of PQDs greatly limits their practical application. Herein, we embed PQDs into ATiO3 (A = Ca, Ba, and Sr) of three different mesoporous spherical structures to explore the effect on thermal quenching of PQDs. Because of the unique mesoporous hollow microsphere structure and low thermal conductivity of SrTiO3, it can effectively block the heat transfer and improve the thermal quenching of PQDs. The photoluminescence (PL) intensity of CsPbBr3@SrTiO3 composites is 72.6% of the initial intensity after heating to 120 °C. Moreover, the PL intensity of CsPbBr3@SrTiO3 composites remains about 80% of the initial value even when stored in air for 20 days or irradiated by 365 nm UV light for 48 h. A neutral white light-emitting diode is assembled by a blue chip, CsPbBr3@SrTiO3 composites, and red phosphor of K2SiF6:Mn4+, which has a color temperature of 5389 K and a color gamut covered 133% of National Television Standards Committee (NTSC).
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Affiliation(s)
- Wenli Song
- Key Laboratory of Light Energy Conversion Materials of Hunan Province College, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Bing Zhang
- Key Laboratory of Light Energy Conversion Materials of Hunan Province College, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Wenli Zhou
- Key Laboratory of Light Energy Conversion Materials of Hunan Province College, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Jilin Zhang
- Key Laboratory of Light Energy Conversion Materials of Hunan Province College, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Liping Yu
- Key Laboratory of Light Energy Conversion Materials of Hunan Province College, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China.,National & Local Engineering Laboratory for New Petro-chemicals Materials and Fine Utilization of Resource, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Shixun Lian
- Key Laboratory of Light Energy Conversion Materials of Hunan Province College, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
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Drastic photostability improvement of silica particles impregnated with multiple emitting CdSe quantum dots prepared through efficient surface silanization. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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40
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Shi J, Wang M, Wang H, Zhang C, Ji Y, Wang J, Zhou Y, Bhatti AS. Preparation of ultra-stable and environmentally friendly CsPbBr 3@ZrO 2/PS composite films for white light-emitting diodes. NANOSCALE 2022; 14:16548-16559. [PMID: 36314647 DOI: 10.1039/d2nr04255j] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The working stability of perovskite light-emitting diodes (LEDs) has become an urgent bottleneck to be solved in the process of commercialization. Although lead halide perovskite CsPbX3 (X = Br, I, Cl) quantum dots (QDs) are considered rising stars in the lighting market owing to their excellent optoelectronic properties, they suffer from fluorescence quenching under thermal conditions. Unfortunately, the surfaces of electronic devices inevitably warm up under long-term energization, which is extremely detrimental to the appropriate functioning of CsPbX3 QDs. Based on the above discussion, the relationship function between the energization time and surface temperature of electronic devices was analyzed, after which a strategy for the preparation of dual-encapsulating perovskites using organic (polystyrene (PS)) and inorganic (ZrO2) materials was proposed, and the change in optical stability before and after encapsulation was investigated. The results show that the thermal stability of CsPbBr3@ZrO2/PS composite films (CFs) after the dual encapsulation was remarkably enhanced, and the assembled white LEDs still retain the initial emission intensity under prolonged high-power operation. In addition, the double encapsulation layer completely suppresses the ion leakage in CsPbBr3 and avoids damage to the ecosystem. It can be seen that this encapsulation strategy was capable of imparting excellent working stability to the perovskite material, which would clear the obstacles to commercial conversion.
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Affiliation(s)
- Jindou Shi
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China.
| | - Minqiang Wang
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China.
| | - Hao Wang
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China.
| | - Chen Zhang
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China.
| | - Yongqiang Ji
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China.
| | - Junnan Wang
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China.
| | - Yun Zhou
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China.
| | - Arshad Saleem Bhatti
- Centre for Micro and Nano Devices, Department of Physics, COMSATS Institute of Information Technology, Islamabad, 44500, Pakistan
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41
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Direct in situ photolithography of perovskite quantum dots based on photocatalysis of lead bromide complexes. Nat Commun 2022; 13:6713. [PMID: 36344550 PMCID: PMC9640639 DOI: 10.1038/s41467-022-34453-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 10/21/2022] [Indexed: 11/09/2022] Open
Abstract
Photolithography has shown great potential in patterning solution-processed nanomaterials for integration into advanced optoelectronic devices. However, photolithography of perovskite quantum dots (PQDs) has so far been hindered by the incompatibility of perovskite with traditional optical lithography processes where lots of solvents and high-energy ultraviolet (UV) light exposure are required. Herein, we report a direct in situ photolithography technique to pattern PQDs based on the photopolymerization catalyzed by lead bromide complexes. By combining direct photolithography with in situ fabrication of PQDs, this method allows to directly photolithograph perovskite precursors, avoiding the complicated lift-off processes and the destruction of PQDs by solvents or high-energy UV light, as PQDs are produced after lithography exposure. We further demonstrate that the thiol-ene free-radical photopolymerization is catalyzed by lead bromide complexes in the perovskite precursor solution, while no external initiators or catalysts are needed. Using direct in situ photolithography, PQD patterns with high resolution up to 2450 pixels per inch (PPI), excellent fluorescence uniformity, and good stability, are successfully demonstrated. This work opens an avenue for non-destructive direct photolithography of high-efficiency light-emitting PQDs, and potentially expands their application in various integrated optoelectronic devices. Perovskite nanomaterials may suffer degradation during conventional photolithography. Here, the authors report a non-destructive method for patterning perovskite quantum dots based on direct photopolymerization catalyzed by lead bromide complexes.
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42
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Hsieh CW, Singh RK, Som S, Lu CH. Detection of Fe (III) using APTES-coated CsPbBr3–CsPb2Br5 perovskite quantum dots. CHEMICAL ENGINEERING JOURNAL ADVANCES 2022. [DOI: 10.1016/j.ceja.2022.100358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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43
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Hong Z, Luo P, Wu T, Wu Q, Chen X, Yang Z, Dai S, Jiang H, Chen Q, Sun Q, Xie L. High-resolution flexible X-ray luminescence imaging enabled by eco-friendly CuI scintillators. Front Chem 2022; 10:1052574. [PMID: 36385989 PMCID: PMC9659724 DOI: 10.3389/fchem.2022.1052574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 10/03/2022] [Indexed: 11/13/2022] Open
Abstract
Solution-processed scintillators hold great promise in fabrication of low-cost X-ray detectors. However, state of the art of these scintillators is still challenging in their environmental toxicity and instability. In this study, we develop a class of tetradecagonal CuI microcrystals as highly stable, eco-friendly, and low-cost scintillators that exhibit intense radioluminescence under X-ray irradiation. The red broadband emission is attributed to the recombination of self-trapped excitons in CuI microcrystals. We demonstrate the incorporation of such CuI microscintillator into a flexible polymer to fabricate an X-ray detector for high-resolution imaging with a spatial resolution up to 20 line pairs per millimeter (lp mm−1), which enables sharp image effects by attaching the flexible imaging detectors onto curved object surfaces.
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Affiliation(s)
- Zhongzhu Hong
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, China
| | - Peifu Luo
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, China
| | - Tingting Wu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, China
| | - Qinxia Wu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, China
| | - Xiaoling Chen
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, China
| | - Zhijian Yang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, China
| | - Shuheng Dai
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, China
| | - Hao Jiang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, China
| | - Qihao Chen
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, China
| | - Qiang Sun
- Center for Functional Materials, National University of Singapore Suzhou Research Institute, Suzhou, China
| | - Lili Xie
- School of Public Health, Fujian Medical University, Fuzhou, China
- *Correspondence: Lili Xie,
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44
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Zhou S, Peng B, Duan Y, Liu K, Ikkala O, Ras RHA. Bright and Photostable Fluorescent Metal Nanocluster Supraparticles from Invert Emulsions. Angew Chem Int Ed Engl 2022; 61:e202210808. [PMID: 36045283 PMCID: PMC9804586 DOI: 10.1002/anie.202210808] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Indexed: 01/05/2023]
Abstract
Fluorescent supraparticles of gold, silver and copper nanoclusters are synthesized by simply drying of invert emulsions, resulting in a dozen-fold increase in photoluminescence quantum yield (up to ≈80 %) and a significant improvement in photostability. The inhibition of the ligand twisting during the intramolecular charge transfer is found to be responsible for the enhancement, especially for the gold nanocluster supraparticles. This research provides a general, flexible, and easy method for producing highly luminescent and photostable metal nanocluster-based materials that promise practical applications in white-light-emitting diodes.
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Affiliation(s)
- Shaochen Zhou
- Department of Applied PhysicsSchool of ScienceAalto University00076EspooFinland
| | - Bo Peng
- Department of Applied PhysicsSchool of ScienceAalto University00076EspooFinland
| | - Yanyan Duan
- IMDEA Materials InstituteCalle Eric Kandel 228906GetafeSpain
| | - Kai Liu
- Department of Applied PhysicsSchool of ScienceAalto University00076EspooFinland
| | - Olli Ikkala
- Department of Applied PhysicsSchool of ScienceAalto University00076EspooFinland,Department of Bioproducts and BiosystemsSchool of Chemical EngineeringAalto University00076EspooFinland
| | - Robin H. A. Ras
- Department of Applied PhysicsSchool of ScienceAalto University00076EspooFinland,Department of Bioproducts and BiosystemsSchool of Chemical EngineeringAalto University00076EspooFinland
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45
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Song W, Wang D, Tian J, Qi G, Wu M, Liu S, Wang T, Wang B, Yao Y, Zou Z, Liu B. Encapsulation of Dual-Passivated Perovskite Quantum Dots for Bio-Imaging. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2204763. [PMID: 36103618 DOI: 10.1002/smll.202204763] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Indexed: 06/15/2023]
Abstract
Due to their marvelous electrical and optical properties, perovskite nanocrystals have reached remarkable landmarks in solar cells, light-emitting diodes, and photodetectors. However, the intrinsic instability of ionic perovskites, which would undergo an undesirable phase transition and decompose rapidly in ambient humidity, limits their long-term practical deployment. To address this challenge, halogenated trimethoxysilane as the passivation additive is chosen, which utilizes simultaneous halide and silica passivation to enhance the stability of perovskite nanoparticles via a dual-passivation mechanism. The processable nanoparticles show high photoluminescence quantum yield, tunable fluorescence wavelength, and excellent resistance against air and water, highlighting great potential as green to deep-red bio-labels after further phospholipid encapsulation. This work demonstrates that the dual-passivation mechanism could be used to maintain the long-term stability of ionic crystals, which sheds light on the opportunity of halide perovskite nanoparticles for usage in a humid environment.
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Affiliation(s)
- Wentao Song
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Dandan Wang
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Jianwu Tian
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Guobin Qi
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Min Wu
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Shitai Liu
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Tongtong Wang
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Bing Wang
- Eco-materials and Renewable Energy Research Center (ERERC), College of Engineering and Applied Sciences, Nanjing University, No. 22 Hankou Road, Nanjing, 210093, China
| | - Yingfang Yao
- Eco-materials and Renewable Energy Research Center (ERERC), College of Engineering and Applied Sciences, Nanjing University, No. 22 Hankou Road, Nanjing, 210093, China
| | - Zhigang Zou
- Eco-materials and Renewable Energy Research Center (ERERC), College of Engineering and Applied Sciences, Nanjing University, No. 22 Hankou Road, Nanjing, 210093, China
| | - Bin Liu
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
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46
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Lu D, Urayama A, Saito N. Enhanced luminescence and dispersion stability of lead halide perovskite nanocrystals by surface modification via O/W emulsion. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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47
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Bright and Photostable Fluorescent Metal Nanocluster Supraparticles from Invert Emulsions. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202210808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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48
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Li D, Song J, Cheng Y, Wu X, Wang Y, Sun C, Yue C, Lei X. Ultra‐Sensitive, Selective and Repeatable Fluorescence Sensor for Methanol Based on a Highly Emissive 0D Hybrid Lead‐Free Perovskite. Angew Chem Int Ed Engl 2022; 61:e202206437. [DOI: 10.1002/anie.202206437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Dong‐Yang Li
- School of Chemistry Chemical Engineer and Materials Jining University Qufu Shandong 273155 P. R. China
- School of Chemistry and Chemical Engineering Qufu Normal University Qufu Shandong 273165 P. R. China
| | - Jun‐Hua Song
- School of Chemistry Chemical Engineer and Materials Jining University Qufu Shandong 273155 P. R. China
| | - Yu Cheng
- School of Chemistry Chemical Engineer and Materials Jining University Qufu Shandong 273155 P. R. China
| | - Xiao‐Min Wu
- School of Chemistry Chemical Engineer and Materials Jining University Qufu Shandong 273155 P. R. China
| | - Yu‐Yin Wang
- School of Chemistry Chemical Engineer and Materials Jining University Qufu Shandong 273155 P. R. China
| | - Chuan‐Ju Sun
- School of Chemistry Chemical Engineer and Materials Jining University Qufu Shandong 273155 P. R. China
| | - Cheng‐Yang Yue
- School of Chemistry Chemical Engineer and Materials Jining University Qufu Shandong 273155 P. R. China
| | - Xiao‐Wu Lei
- School of Chemistry Chemical Engineer and Materials Jining University Qufu Shandong 273155 P. R. China
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Gonzalez-Moya J, Chang CY, Radu DR, Lai CY. Photocatalytic Deposition of Nanostructured CsPbBr 3 Perovskite Quantum Dot Films on Mesoporous TiO 2 and Their Enhanced Visible-Light Photodegradation Properties. ACS OMEGA 2022; 7:26738-26748. [PMID: 35936483 PMCID: PMC9352250 DOI: 10.1021/acsomega.2c03089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
Herein, we report the in situ photocatalytic deposition of cesium lead bromide (CsPbBr3) perovskite quantum dots on mesoporous TiO2-coated fluorine-doped tin oxide (FTO/TiO2) electrodes. The mesoporous TiO2 layer is used as a photocatalyst to promote the following: (1) the Pb deposition from a Pb2+ aqueous solution and (2) the in situ Pb conversion into CsPbBr3 perovskite in the presence of a CsBr methanolic solution without any organic capping agent. Both steps are carried out under ultraviolet light irradiation under ambient conditions without any post-treatment. The obtained FTO/TiO2/CsPbBr3 film was characterized by UV-vis diffuse reflectance spectroscopy, X-ray diffraction, photoluminescence spectroscopy, scanning electron microscopy, and transmission electron microscopy. The FTO/TiO2/CsPbBr3 heterojunction exhibited enhanced visible-light photodegradation activity demonstrated for the oxidation of curcumin organic dye as a model system. The novel and simple approach to fabricating a supported photocatalyst represents a scalable general method to use semiconductors as a platform to incorporate different perovskites, either all-inorganic or hybrid, for optoelectronic applications. The perovskite deposition method mediated by the UV light at room temperature could be further applied to flexible and wearable solar power electronics.
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Xu T, Liu B, Liu Z, Li J. Stability of CsPbX3 (X=Br, Cl, I) perovskite nanocrystalline. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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