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Ming T, Lan T, Yu M, Cheng S, Duan X, Wang H, Deng J, Kong D, Yang S, Shen Z. Advancements in Biosensors for Point-of-Care Testing of Nucleic Acid. Crit Rev Anal Chem 2024:1-16. [PMID: 38889541 DOI: 10.1080/10408347.2024.2366943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
Rapid, low-cost and high-specific diagnosis based on nucleic acid detection is pivotal in both detecting and controlling various infectious diseases, effectively curbing their spread. Moreover, the analysis of circulating DNA in whole blood has emerged as a promising noninvasive strategy for cancer diagnosis and monitoring. Although traditional nucleic acid detection methods are reliable, their time-consuming and intricate processes restrict their application in rapid field assays. Consequently, an urgent emphasis on point-of-care testing (POCT) of nucleic acids has arisen. POCT enables timely and efficient detection of specific sequences, acting as a deterrent against infection sources and potential tumor threats. To address this imperative need, it is essential to consolidate key aspects and chart future directions in POCT biosensors development. This review aims to provide an exhaustive and meticulous analysis of recent advancements in POCT devices for nucleic acid diagnosis. It will comprehensively compare these devices across crucial dimensions, encompassing their integrated structures, the synthesized nanomaterials harnessed, and the sophisticated detection principles employed. By conducting a rigorous evaluation of the current research landscape, this review will not only spotlight achievements but also identify limitations, offering valuable insights into the future trajectory of nucleic acid POCT biosensors. Through this comprehensive analysis, the review aspires to serve as an indispensable guide for fostering the development of more potent biosensors, consequently fostering precise and efficient POCT applications for nucleic acids.
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Affiliation(s)
- Tao Ming
- Institute of Transplantation Medicine, School of Medicine, Nankai University, Tianjin, China
| | - Tingting Lan
- Institute of Transplantation Medicine, School of Medicine, Nankai University, Tianjin, China
| | - Mingxing Yu
- Institute of Transplantation Medicine, School of Medicine, Nankai University, Tianjin, China
| | - Shuhan Cheng
- Institute of Transplantation Medicine, School of Medicine, Nankai University, Tianjin, China
| | - Xu Duan
- Institute of Transplantation Medicine, School of Medicine, Nankai University, Tianjin, China
| | - Hong Wang
- Institute of Biomedical Engineering, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Juan Deng
- Institute of Biomedical Engineering, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Deling Kong
- Institute of Transplantation Medicine, School of Medicine, Nankai University, Tianjin, China
| | - Shuang Yang
- Institute of Transplantation Medicine, School of Medicine, Nankai University, Tianjin, China
| | - Zhongyang Shen
- Institute of Transplantation Medicine, School of Medicine, Nankai University, Tianjin, China
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2
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Guo Y, Cao Y, Tan Q, Yang D, Che Y, Zhang C, Ming P, Xiao Q. Investigation of non-precious metal cathode catalysts for direct borohydride fuel cells. RSC Adv 2024; 14:19636-19647. [PMID: 38895534 PMCID: PMC11184940 DOI: 10.1039/d4ra02767a] [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: 04/14/2024] [Accepted: 05/23/2024] [Indexed: 06/21/2024] Open
Abstract
Borohydride crossover in anion exchange membrane (AEM) based direct borohydride fuel cells (DBFCs) impairs their performance and induces cathode catalyst poisoning. This study evaluates three non-precious metal catalysts, namely LaMn0.5Co0.5O3 (LMCO) perovskite, MnCo2O4 (MCS) spinel, and Fe-N-C, for their application as cathode catalysts in DBFCs. The rotating disk electrode (RDE) testing shows significant borohydride tolerance of MCS. Moreover, MCS has exhibited exceptional stability in accelerated durability tests (ADTs), with a minimal reduction of 10 mV in half-wave potential. DFT calculations further reveal that these catalysts predominantly adsorb over , unlike commercial Pt/C which preferentially adsorbs . In DBFCs, MCS can deliver a peak power density of 1.5 W cm-2, and a 3% voltage loss after a 5 hours durability test. In contrast, LMCO and Fe-N-C have exhibited significantly lower peak power density and stability. The analysis of the TEM, XRD, and XPS results before and after the single-cell stability tests suggests that the diminished stability of LMCO and Fe-N-C catalysts is due to catalyst detachment from carbon supports, resulting from the nanoparticle aggregation during the high-temperature preparation process. Such findings suggest that MCS can effectively mitigate the fuel crossover challenge inherent in DBFCs, thus enhancing its viability for practical application.
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Affiliation(s)
- Yu Guo
- School of Automotive Studies & Clean Energy Automotive Engineering Center, Tongji University (Jiading Campus) 4800 Cao'an Road Shanghai 201804 China
| | - Yingjian Cao
- School of Automotive Studies & Clean Energy Automotive Engineering Center, Tongji University (Jiading Campus) 4800 Cao'an Road Shanghai 201804 China
| | - Qinggang Tan
- School of Materials Science & Engineering, Tongji University (Jiading Campus) 4800 Cao'an Road Shanghai 201804 China
| | - Daijun Yang
- School of Automotive Studies & Clean Energy Automotive Engineering Center, Tongji University (Jiading Campus) 4800 Cao'an Road Shanghai 201804 China
| | - Yong Che
- Enpower Beijing Corp. 13 Area 2 Jinsheng Street Daxing Beijing 06500 China
| | - Cunman Zhang
- School of Automotive Studies & Clean Energy Automotive Engineering Center, Tongji University (Jiading Campus) 4800 Cao'an Road Shanghai 201804 China
| | - Pingwen Ming
- School of Automotive Studies & Clean Energy Automotive Engineering Center, Tongji University (Jiading Campus) 4800 Cao'an Road Shanghai 201804 China
| | - Qiangfeng Xiao
- School of Automotive Studies & Clean Energy Automotive Engineering Center, Tongji University (Jiading Campus) 4800 Cao'an Road Shanghai 201804 China
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Zhang X, Liu L, Zhao Y, Gao Y, Chen D, Zhu W. Coverage-sensitive mechanism of electrochemical NO reduction on the SrTiO 3(001) surface: a DFT investigation. Phys Chem Chem Phys 2024; 26:16039-16047. [PMID: 38779839 DOI: 10.1039/d4cp01076k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Due to its adverse environmental and human health hazards, addressing the elimination of nitric oxide (NO) has become a pressing concern for modern society. Currently, electrochemical NO reduction provides a new alternative to traditional selective catalytic reduction technology under mild reaction conditions. However, the complexity and variability of products make the coverage of NO an influencing factor that needs to be investigated. Hence, this study delves into the coverage-sensitive mechanism of electrochemical NO reduction on cost-effective perovskite catalysts, using SrTiO3 as an example, through density functional theory calculations. Phase diagrams analysis reveals that the coverage range from 0.25 to 1.00 monolayer (ML) coverage is favorable for NO adsorption. Gibbs free energy results indicate that the selectivity is significantly influenced by NO coverage. NH3 is likely to be generated at low coverage, while N2O and N2 are more likely to be produced at high coverage through a dimer mechanism. Charge analysis suggests that the charge transfer and Ti-O bond strength between reactants and catalysts are crucial factors. This work not only provides deep insights into coverage-sensitive reaction mechanisms but also is a guideline towards further rational design of high-performance perovskite catalysts.
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Affiliation(s)
- Xiangyu Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004 Jinhua, P. R. China.
| | - Lu Liu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004 Jinhua, P. R. China.
| | - Yuncai Zhao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004 Jinhua, P. R. China.
| | - Yijing Gao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004 Jinhua, P. R. China.
- Zhejiang Engineering Laboratory for Green Syntheses and Applications of Fluorine-Containing Specialty Chemicals, Institute of Advanced Fluorine-Containing Materials, Zhejiang Normal University, 321004 Jinhua, P. R. China
| | - Deli Chen
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004 Jinhua, P. R. China.
- Zhejiang Engineering Laboratory for Green Syntheses and Applications of Fluorine-Containing Specialty Chemicals, Institute of Advanced Fluorine-Containing Materials, Zhejiang Normal University, 321004 Jinhua, P. R. China
| | - Weidong Zhu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004 Jinhua, P. R. China.
- Zhejiang Engineering Laboratory for Green Syntheses and Applications of Fluorine-Containing Specialty Chemicals, Institute of Advanced Fluorine-Containing Materials, Zhejiang Normal University, 321004 Jinhua, P. R. China
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Duan Y, Yu R, Zhang H, Yang W, Xie W, Huang Y, Yin Z. Programmable, High-resolution Printing of Spatially Graded Perovskites for Multispectral Photodetectors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2313946. [PMID: 38582876 DOI: 10.1002/adma.202313946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 04/03/2024] [Indexed: 04/08/2024]
Abstract
Micro/nanostructured perovskites with spatially graded compositions and bandgaps are promising in filter-free, chip-level multispectral, and hyperspectral detection. However, achieving high-resolution patterning of perovskites with controlled graded compositions is challenging. Here, a programmable mixed electrohydrodynamic printing (M-ePrinting) technique is presented to realize the one-step direct-printing of arbitrary spatially graded perovskite micro/nanopatterns for the first time. M-ePrinting enables in situ mixing and ejection of solutions with controlled composition/bandgap by programmatically varying driving voltage applied to a multichannel nozzle. Composition can be graded over a single dot, line or complex pattern, and the printed feature size is down to 1 µm, which is the highest printing resolution of graded patterns to the knowledge. Photodetectors based on micro/nanostructured perovskites with halide ions gradually varying from Br to I are constructed, which successfully achieve multispectral detection and full-color imaging, with a high detectivity and responsivity of 3.27 × 1015 Jones and 69.88 A W-1, respectively. The presented method provides a versatile and competitive approach for such miniaturized bandgap-tunable perovskite spectrometer platforms and artificial vision systems, and also opens new avenues for the digital fabrication of composition-programmable structures.
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Affiliation(s)
- Yongqing Duan
- State Key Laboratory of Intelligent Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
- Flexible Electronics Research Center, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Rui Yu
- State Key Laboratory of Intelligent Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
- Flexible Electronics Research Center, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Hanyuan Zhang
- State Key Laboratory of Intelligent Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Weili Yang
- State Key Laboratory of Intelligent Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Wenshuo Xie
- State Key Laboratory of Intelligent Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - YongAn Huang
- State Key Laboratory of Intelligent Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
- Flexible Electronics Research Center, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Zhouping Yin
- State Key Laboratory of Intelligent Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
- Optics Valley Laboratory, Hubei, 430074, China
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5
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Gutiérrez M, de la Hoz Tomás M, Rakshit S, Lezama L, Cohen B, Douhal A. Direct Evidence of the Effect of Water Molecules Position in the Spectroscopy, Dynamics, and Lighting Performance of an Eco-Friendly Mn-Based Organic-Inorganic Metal Halide Material for High-Performance LEDs and Solvent Vapor Sensing. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2400879. [PMID: 38654657 DOI: 10.1002/advs.202400879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 03/22/2024] [Indexed: 04/26/2024]
Abstract
Luminescent Mn(II)-based organic-inorganic hybrid halides have drawn attention as potential materials for sensing and photonics applications. Here, the synthesis and characterization of methylammonium (MA) manganese bromide ((MA)nBrxMn(H2O)2, (n = 1, 4 and x = 3, 6)) with different stoichiometries of the organic cation and inorganic counterpart, are reported. While the Mn2+ centers have an octahedral conformation, the two coordinating water molecules are found either in cis (1) or in trans (2) positions. The photophysical behavior of 1 reflects the luminescence of Mn2+ in an octahedral environment. Although Mn2+ in 2 also has octahedral coordination, at room temperature dual emission bands at ≈530 and ≈660 nm are observed, explained in terms of emission from Mn2+ in tetragonally compressed octahedra and self-trapped excitons (STEs), respectively. Above the room temperature, 2 shows quasi-tetrahedral behavior with intense green emission, while at temperatures below 140 K, another STE band emerges at 570 nm. Time-resolved experiments (77-360 K) provide a clear picture of the excited dynamics. 2 shows rising components due to STEs formation equilibrated at room temperature with their precursors. Finally, the potential of these materials for the fabrication of color-tunable down-converted light-emitting diode (LED) and for detecting polar solvent vapors is shown.
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Affiliation(s)
- Mario Gutiérrez
- Departamento de Química Física, Facultad de Ciencias Ambientales y Bioquímica, e INAMOL, Campus Tecnológico de Toledo, Universidad de Castilla-La Mancha (UCLM), Avenida Carlos III, S.N., Toledo, 45071, Spain
| | - Mario de la Hoz Tomás
- Departamento de Química Física, Facultad de Ciencias Ambientales y Bioquímica, e INAMOL, Campus Tecnológico de Toledo, Universidad de Castilla-La Mancha (UCLM), Avenida Carlos III, S.N., Toledo, 45071, Spain
| | - Soumyadipta Rakshit
- Departamento de Química Física, Facultad de Ciencias Ambientales y Bioquímica, e INAMOL, Campus Tecnológico de Toledo, Universidad de Castilla-La Mancha (UCLM), Avenida Carlos III, S.N., Toledo, 45071, Spain
| | - Luis Lezama
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco, UPV/EHU, B° Sarriena s/n, Leioa, 48940, Spain
| | - Boiko Cohen
- Departamento de Química Física, Facultad de Ciencias Ambientales y Bioquímica, e INAMOL, Campus Tecnológico de Toledo, Universidad de Castilla-La Mancha (UCLM), Avenida Carlos III, S.N., Toledo, 45071, Spain
| | - Abderrazzak Douhal
- Departamento de Química Física, Facultad de Ciencias Ambientales y Bioquímica, e INAMOL, Campus Tecnológico de Toledo, Universidad de Castilla-La Mancha (UCLM), Avenida Carlos III, S.N., Toledo, 45071, Spain
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6
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Xu X, Fan C, He H, Ye Z. Epitaxial Growth of CsPbBr 3 Pyramids/CdS Nanobelt Heterostructures for High-Performance Photodetectors. ACS APPLIED MATERIALS & INTERFACES 2024; 16:19742-19750. [PMID: 38563423 DOI: 10.1021/acsami.3c19282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Perovskites have great potential for optoelectronic applications due to their high photoluminescence quantum yield, large absorption coefficient, great defect tolerance, and adjustable band gap. Perovskite heterostructures may further enhance the performance of optoelectronic devices. So far, however, most of perovskite heterostructures are fabricated by mechanical stacking or spin coating, which could introduce a large number of defects or impurities at the heterointerface owing to the random stacking process. Herein, we report the epitaxial growth of CsPbBr3 pyramids/CdS nanobelt heterostructures via a 2-step vapor deposition route. The CsPbBr3 triangular pyramids are well aligned on the surface of CdS nanobelts with the epitaxial relationships of (0-22)CsPbBr3||(1-20)CdS and (-211)CsPbBr3||(002)CdS. Time-resolved photoluminescence results reveal that effective charge transfer occurred at the heterointerface, which can be attributed to the type-II band arrangement. Theoretical simulations reveal that the unique CsPbBr3 pyramids/CdS nanobelt structure facilitates diminishing the reflection losses and enhancing the light absorption. The photodetector based on these CsPbBr3 pyramids/CdS nanobelt heterostructures exhibited an ultrahigh photoswitching ratio of 2.14 × 105, a high responsivity up to 4.07 × 104 A/W, a high detectivity reaching 1.36 × 1013 Jones, fast photoresponses (τrise = 472 μs and τdecay = 894 μs), low dark current, and suppressed hysteresis.
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Affiliation(s)
- Xing Xu
- College of Physics and Electronic Engineering, Hengyang Normal University, Hengyang 421010, P. R. China
- Wenzhou XINXINTAIJING Tech. Co., Ltd., Wenzhou 325006, P. R. China
| | - Chao Fan
- School of Materials Science and Engineering, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310027, P. R. China
- Wenzhou Key Laboratory of Novel Optoelectronic and Nano Materials, Zhejiang Provincial Engineering Research Center of Oxide Semiconductors for Environmental and Optoelectronic Applications, Institute of Wenzhou, Zhejiang University, Wenzhou 325006, P. R. China
- Wenzhou XINXINTAIJING Tech. Co., Ltd., Wenzhou 325006, P. R. China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Shanxi 030000, P. R. China
| | - Haiping He
- School of Materials Science and Engineering, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310027, P. R. China
- Wenzhou Key Laboratory of Novel Optoelectronic and Nano Materials, Zhejiang Provincial Engineering Research Center of Oxide Semiconductors for Environmental and Optoelectronic Applications, Institute of Wenzhou, Zhejiang University, Wenzhou 325006, P. R. China
- Wenzhou XINXINTAIJING Tech. Co., Ltd., Wenzhou 325006, P. R. China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Shanxi 030000, P. R. China
| | - Zhizhen Ye
- School of Materials Science and Engineering, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310027, P. R. China
- Wenzhou Key Laboratory of Novel Optoelectronic and Nano Materials, Zhejiang Provincial Engineering Research Center of Oxide Semiconductors for Environmental and Optoelectronic Applications, Institute of Wenzhou, Zhejiang University, Wenzhou 325006, P. R. China
- Wenzhou XINXINTAIJING Tech. Co., Ltd., Wenzhou 325006, P. R. China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Shanxi 030000, P. R. China
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Ouyang Y, Ou Z, Mwakitawa IM, Xia T, Pan Y, Wang C, Gao Q, Zhang B, Chen K, He Z, Shumilova T, Guo B, Zheng Y, Jiang T, Ma Z, Sun K. Orientation Manipulation and Defect Passivation for Perovskite Solar Cells by a Natural Compound. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401834. [PMID: 38623962 DOI: 10.1002/smll.202401834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/08/2024] [Indexed: 04/17/2024]
Abstract
Different facets in perovskite crystals exhibit distinct atomic arrangements, influencing their electronic, physical, and chemical properties. Perovskite films incorporating tin oxide (SnO2) as the electron transport layer face challenges in facet regulation. This study reveals that tea saponin (TS), a natural compound serves as a SnO2 modifier, facilitates optimal growth of perovskite crystals on the (111) facet. The modification promotes preferential crystal orientation through hydrogen bond and Lewis coordination. TS forms a chelate with SnO2, resulting in a smoother film and n-type doping, leading to improved carrier extraction and reduced defects. The TS-modified perovskite solar cells achieve a champion efficiency of 24.2%, leveraging from an obvious enhancement of open-circuit voltage (Voc) of 1.18 V and fill factor (FF) of 82.8%. The devices also demonstrate enhanced humidity tolerance and storage stability, ensuring improved stability without encapsulation.
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Affiliation(s)
- Yunfei Ouyang
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
| | - Zeping Ou
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
| | - Ibrahim Mwamburi Mwakitawa
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
| | - Tianyu Xia
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
| | - Yi Pan
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
| | - Can Wang
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
| | - Qin Gao
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
| | - Bo Zhang
- R&D Center, JA Solar Holdings Co., Ltd., Yangzhou, 225131, China
| | - Kun Chen
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
- R&D Center, JA Solar Holdings Co., Ltd., Yangzhou, 225131, China
| | - Zijuan He
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
- R&D Center, JA Solar Holdings Co., Ltd., Yangzhou, 225131, China
| | - Tatyana Shumilova
- Institute of Geology, FRC Komi Science Center, Ural Branch, Russian Academy of Sciences, Syktyvkar, 167982, Russia
| | - Bing Guo
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
| | - Yujie Zheng
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
| | - Tingming Jiang
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
| | - Zhu Ma
- School of New Energy and Materials, Southwest Petroleum University, Chengdu, 610500, China
| | - Kuan Sun
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
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8
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Zhang L, Wang S, Jiang Y, Yuan M. Stable and Efficient Mixed-halide Perovskite LEDs. CHEMSUSCHEM 2024; 17:e202301205. [PMID: 38081803 DOI: 10.1002/cssc.202301205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 12/08/2023] [Indexed: 01/12/2024]
Abstract
Tailoring bandgap by mixed-halide strategy in perovskites has attracted extraordinary attention due to the flexibility of halide ion combinations and has emerged as the most direct and effective approach to precisely tune the emission wavelength throughout the entire visible light spectrum. Mixed-halide perovskites, yet, still suffered from several problems, particularly phase segregation under external stimuli because of ions migration. Understanding the essential cause and finding sound strategies, thus, remains a challenge for stable and efficient mixed-halide perovskite light-emitting diodes (PeLEDs). The review herein presents an overview of the diverse application scenarios and the profound significance associated with mixed-halide perovskites. We then summarize the challenges and potential research directions toward developing high stable and efficient mixed-halide PeLEDs. The review thus provides a systematic and timely summary for the community to deepen the understanding of mixed-halide perovskite materials and resulting PeLEDs.
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Affiliation(s)
- Li Zhang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Stor1age Center (RECAST), College of Chemistry, Nankai University, Tianjin, P. R. China
| | - Saike Wang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Stor1age Center (RECAST), College of Chemistry, Nankai University, Tianjin, P. R. China
| | - Yuanzhi Jiang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Stor1age Center (RECAST), College of Chemistry, Nankai University, Tianjin, P. R. China
| | - Mingjian Yuan
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Stor1age Center (RECAST), College of Chemistry, Nankai University, Tianjin, P. R. China
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9
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Sajid S, Alzahmi S, Tabet N, Haik Y, Obaidat IM. Fabricating Planar Perovskite Solar Cells through a Greener Approach. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:594. [PMID: 38607128 PMCID: PMC11013819 DOI: 10.3390/nano14070594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/18/2024] [Accepted: 03/26/2024] [Indexed: 04/13/2024]
Abstract
High-quality perovskite thin films are typically produced via solvent engineering, which results in efficient perovskite solar cells (PSCs). Nevertheless, the use of hazardous solvents like precursor solvents (N-Methyl-2-pyrrolidone (NMP), dimethyl sulfoxide (DMSO), dimethylformamide (DMF), gamma-butyrolactone (GBL)) and antisolvents (chlorobenzene (CB), dibutyl ether (DEE), diethyl ether (Et2O), etc.) is crucial to the preparation of perovskite solutions and the control of perovskite thin film crystallization. The consumption of hazardous solvents poses an imminent threat to both the health of manufacturers and the environment. Consequently, before PSCs are commercialized, the current concerns about the toxicity of solvents must be addressed. In this study, we fabricated highly efficient planar PSCs using a novel, environmentally friendly method. Initially, we employed a greener solvent engineering approach that substituted the hazardous precursor solvents with an environmentally friendly solvent called triethyl phosphate (TEP). In the following stage, we fabricated perovskite thin films without the use of an antisolvent by employing a two-step procedure. Of all the greener techniques used to fabricate PSCs, the FTO/SnO2/MAFAPbI3/spiro-OMeTAD planar device configuration yielded the highest PCE of 20.98%. Therefore, this work addresses the toxicity of the solvents used in the perovskite film fabrication procedure and provides a promising universal method for producing PSCs with high efficiency. The aforementioned environmentally friendly approach might allow for PSC fabrication on an industrial scale in the future under sustainable conditions.
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Affiliation(s)
- Sajid Sajid
- Department of Chemical & Petroleum Engineering, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates;
- National Water and Energy Center, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
| | - Salem Alzahmi
- Department of Chemical & Petroleum Engineering, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates;
- National Water and Energy Center, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
| | - Nouar Tabet
- Department of Applied Physics and Astronomy, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates;
| | - Yousef Haik
- Department of Mechanical and Nuclear Engineering, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates;
- Department of Mechanical Engineering, The University of Jordan, Amman P.O. Box 11942, Jordan
| | - Ihab M. Obaidat
- Department of Applied Physics and Astronomy, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates;
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10
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Weng N, Liao Q, Li X, Zhang Z, Huang T, Wang D, Xiong J, Zhang J. Reducing Interfacial Losses in Solution-Processed Integrated Perovskite-Organic Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2024; 16:10170-10179. [PMID: 38359458 DOI: 10.1021/acsami.3c18471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
Low bandgap organic semiconductors have been widely employed to broaden the light response range to utilize much more photons in the inverted perovskite solar cells (PSCs). However, the serious charge recombination at the heterointerface contact between perovskite and organic semiconductors usually leads to large energy loss and limits the device performance. In this work, a titanium chelate, bis(2,4-pentanedionato) titanium(IV) oxide (C10H14O5Ti), was directly used as an interlayer between the perovskite layer and organic bulk heterojunction layer for the first time. Impressively, it was found that C10H14O5Ti can not only increase the surface potential of perovskite films but also show a positive passivation effect toward the perovskite film surface. Drawing from the above function, a smoother perovskite active layer with a higher work function was realized upon the use of C10H14O5Ti. As a result, the C10H14O5Ti-modified integrated devices show lower interfacial loss and obtain the best power conversion efficiency (PCE) of up to 20.91% with a high voltage of 1.15 V. The research offers a promising strategy to minimize the interfacial loss for the preparation of high-performance perovskite solar cells.
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Affiliation(s)
- Nan Weng
- Engineering Research Center of Electronic Information Materials and Devices (Ministry of Education), Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Qiaogan Liao
- Engineering Research Center of Electronic Information Materials and Devices (Ministry of Education), Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Xiao Li
- Engineering Research Center of Electronic Information Materials and Devices (Ministry of Education), Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Zheling Zhang
- Engineering Research Center of Electronic Information Materials and Devices (Ministry of Education), Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Tianhuan Huang
- Engineering Research Center of Electronic Information Materials and Devices (Ministry of Education), Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Dongjie Wang
- Engineering Research Center of Electronic Information Materials and Devices (Ministry of Education), Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Jian Xiong
- Engineering Research Center of Electronic Information Materials and Devices (Ministry of Education), Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Jian Zhang
- Engineering Research Center of Electronic Information Materials and Devices (Ministry of Education), Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
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11
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Rani C, Kumar R. Fano-type discrete-continuum interaction in perovskites and its manifestation in Raman spectral line shapes. Chem Commun (Camb) 2024; 60:2115-2124. [PMID: 38284275 DOI: 10.1039/d3cc05789e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
Fano resonance is one of the most significant physical phenomena that correlates microscopic processes with macroscopic manifestations for experimental observations using different spectroscopic techniques. Owing to its importance, a focused study is required to clearly understand the origin of certain modifications in spectral behaviour, the nature of which is different for different materials. This means that a careful understanding of Fano interactions can enhance the understanding of several technologically important materials, including perovskites, which are also important in the area of energy storage and conversion. In semiconductors and nano materials (including 2-D materials), Fano interactions occur due to the intervalence or interconduction band transitions. However, in perovskites, Fano interactions are dominated by the interaction between polar phonons or excitons with electronic continuum. Raman spectroscopy, being a sensitive and non-destructive tool, detects subtle scale phenomena, such as Fano interactions, by analysing the Raman line shape. Herein, different dimensions associated with the identification and thereafter the origin of the Fano resonance in perovskites, which are used in energy related areas, have been highlighted using Raman scattering.
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Affiliation(s)
- Chanchal Rani
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan-48109, USA
| | - Rajesh Kumar
- Materials and Device Laboratory, Department of Physics, Indian Institute of Technology Indore, Simrol-453552, India.
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12
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Ihtisham-Ul-Haq, Khan MI, Ullah A, Mujtaba A, Almutairi BS, Shahid W, Ali A, Choi JR. Bandgap reduction and efficiency enhancement in Cs 2AgBiBr 6 double perovskite solar cells through gallium substitution. RSC Adv 2024; 14:5440-5448. [PMID: 38348293 PMCID: PMC10859843 DOI: 10.1039/d3ra08965g] [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: 12/31/2023] [Accepted: 01/30/2024] [Indexed: 02/15/2024] Open
Abstract
Lead-free halide double perovskite (LFHDP) Cs2AgBiBr6 has emerged as a promising alternative to traditional lead-based perovskites (LBPs), offering notable advantages in terms of chemical stability and non-toxicity. However, the efficiency of Cs2AgBiBr6 solar cells faces challenges due to their wide bandgap (Eg). As a viable strategy to settle this problem, we consider optimization of the optical and photovoltaic properties of Cs2AgBiBr6 by Gallium (Ga) substitution. The synthesized Cs2Ag0.95Ga0.05BiBr6 is rigorously characterized by means of X-ray diffraction (XRD), UV-vis spectroscopy, and solar simulator measurements. XRD analysis reveals shifts in peak positions, indicating changes in the crystal lattice due to Ga substitution. The optical analysis demonstrates a reduction in the Eg, leading to improvement of the light absorption within the visible spectrum. Importantly, the Cs2Ag0.95Ga0.05BiBr6 solar cell exhibits enhanced performance, as evidenced by higher values of open circuit voltage (Voc), short-circuit current (Jsc), and fill factor (FF), which are 0.94 V, 6.01 mA cm-2, and 0.80, respectively: this results in an increased power conversion efficiency (PCE) from 3.51% to 4.52%. This research not only helps to overcome film formation challenges, but also enables stable Cs2Ag0.95Ga0.05BiBr6 to be established as a high-performance material for photovoltaic applications. Overall, our development contributes to the advancement of environmentally friendly solar technologies.
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Affiliation(s)
- Ihtisham-Ul-Haq
- Department of Physics, The University of Lahore 53700 Pakistan
| | - M I Khan
- Department of Physics, The University of Lahore 53700 Pakistan
| | - Asad Ullah
- Department of Physics, The University of Lahore 53700 Pakistan
| | - Ali Mujtaba
- Department of Physics, The University of Lahore 53700 Pakistan
| | - Badriah S Almutairi
- Department of Physics, College of Science, Princess Nourah bint Abdulrahman University P.O.Box 84428 Riyadh 11671 Saudi Arabia
| | - Wajeehah Shahid
- Department of Physics, The University of Lahore 53700 Pakistan
| | - Asghar Ali
- Department of Physics, The University of Lahore 53700 Pakistan
| | - Jeong Ryeol Choi
- School of Electronic Engineering, Kyonggi University Suwon Gyeonggi-do 16227 Republic of Korea
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13
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Mehra S, Pandey R, Madan J, Sharma R, Goswami L, Gupta G, Singh VN, Srivastava AK, Sharma SN. Experimental and Theoretical Investigations of MAPbX 3 -Based Perovskites (X=Cl, Br, I) for Photovoltaic Applications. ChemistryOpen 2024; 13:e202300055. [PMID: 37874015 PMCID: PMC10962479 DOI: 10.1002/open.202300055] [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: 04/13/2023] [Revised: 09/22/2023] [Indexed: 10/25/2023] Open
Abstract
This work mainly focuses on synthesizing and evaluating the efficiency of methylammonium lead halide-based perovskite (MAPbX3 ; X=Cl, Br, I) solar cells. We used the colloidal Hot-injection method (HIM) to synthesize MAPbX3 (X=Cl, Br, I) perovskites using the specific precursors and organic solvents under ambient conditions. We studied the structural, morphological and optical properties of MAPbX3 perovskites using XRD, FESEM, TEM, UV-Vis, PL and TRPL (time-resolved photoluminescence) characterization techniques. The particle size and morphology of these perovskites vary with respect to the halide variation. The MAPbI3 perovskite possesses a low band gap and low carrier lifetime but delivers the highest PCE among other halide perovskite samples, making it a promising candidate for solar cell technology. To further enrich the investigations, the conversion efficiency of the MAPbX3 perovskites has been evaluated through extensive device simulations. Here, the optical constants, band gap energy and carrier lifetime of MAPbX3 were used for simulating three different perovskite solar cells, namely I, Cl or Br halide-based perovskite solar cells. MAPbI3 , MAPbBr3 and MAPbCl3 absorber layer-based devices showed ~13.7 %, 6.9 % and 5.0 % conversion efficiency. The correlation between the experimental and SCAPS simulation data for HIM-synthesized MAPBX3 -based perovskites has been reported for the first time.
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Affiliation(s)
- Sonali Mehra
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
- AcSIR–Academy of Scientific and Innovative ResearchGhaziabadIndia201002
| | - Rahul Pandey
- VLSI Centre of ExcellenceChitkara University Institute of Engineering and TechnologyChitkara UniversityPunjabIndia
| | - Jaya Madan
- VLSI Centre of ExcellenceChitkara University Institute of Engineering and TechnologyChitkara UniversityPunjabIndia
| | - Rajnish Sharma
- VLSI Centre of ExcellenceChitkara University Institute of Engineering and TechnologyChitkara UniversityPunjabIndia
| | - Lalit Goswami
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
| | - Govind Gupta
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
- AcSIR–Academy of Scientific and Innovative ResearchGhaziabadIndia201002
| | - Vidya Nand Singh
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
- AcSIR–Academy of Scientific and Innovative ResearchGhaziabadIndia201002
| | - Avanish Kumar Srivastava
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
- CSIR–Advanced Materials and Processes Research InstituteBhopalMadhya PradeshIndia462026
| | - Shailesh Narain Sharma
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
- AcSIR–Academy of Scientific and Innovative ResearchGhaziabadIndia201002
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14
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Jin H, Cheng Y, Kong F, Huang H, Yang Z, Wang X, Cai X, Luo J, Ming T. Design and Validation of a Short Novel Estradiol Aptamer and Exploration of Its Application in Sensor Technology. Molecules 2024; 29:535. [PMID: 38276613 PMCID: PMC10819485 DOI: 10.3390/molecules29020535] [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: 11/07/2023] [Revised: 01/11/2024] [Accepted: 01/16/2024] [Indexed: 01/27/2024] Open
Abstract
The specific and sensitive detection of 17β-estradiol (E2) is critical for diagnosing and treating numerous diseases, and aptamers have emerged as promising recognition probes for developing detection platforms. However, traditional long-sequence E2 aptamers have demonstrated limited clinical performance due to redundant structures that can affect their stability and recognition ability. There is thus an urgent need to further optimize the structure of the aptamer to build an effective detection platform for E2. In this work, we have designed a novel short aptamer that retains the key binding structure of traditional aptamers to E2 while eliminating the redundant structures. The proposed aptamer was evaluated for its binding properties using microscale thermophoresis, a gold nanoparticle-based colorimetric method, and electrochemical assays. Our results demonstrate that the proposed aptamer has excellent specific recognition ability for E2 and a high affinity with a dissociation constant of 92 nM. Moreover, the aptamer shows great potential as a recognition probe for constructing a highly specific and sensitive clinical estradiol detection platform. The aptamer-based electrochemical sensor enabled the detection of E2 with a linear range between 5 pg mL-1 and 10 ng mL-1 (R2 = 0.973), and the detection capability of a definite low concentration level was 5 pg mL-1 (S/N = 3). Overall, this novel aptamer holds great promise as a valuable tool for future studies on the role of E2 in various physiological and pathological processes and for developing sensitive and specific diagnostic assays for E2 detection in clinical applications.
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Affiliation(s)
- Hongyan Jin
- Obstetrics and Gynecology Department, Peking University First Hospital, Beijing 100034, China
| | - Yan Cheng
- Obstetrics and Gynecology Department, Peking University First Hospital, Beijing 100034, China
| | - Fanli Kong
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China (J.L.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - He Huang
- Obstetrics and Gynecology Department, Peking University First Hospital, Beijing 100034, China
| | - Zhenjun Yang
- State Key Laboratory of Natural & Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, No. 38 Xueyuan Road, Haidian District, Beijing 100191, China
| | - Xinyi Wang
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China (J.L.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xinxia Cai
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China (J.L.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinping Luo
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China (J.L.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tao Ming
- Institute of Transplantation Medicine, School of Medicine, Nankai University, Tianjin 300190, China
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15
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Chen L, Fu S, Li Y, Sun N, Yan Y, Song Z. On the Durability of Tin-Containing Perovskite Solar Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2304811. [PMID: 37968252 PMCID: PMC10767427 DOI: 10.1002/advs.202304811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 09/20/2023] [Indexed: 11/17/2023]
Abstract
Tin (Sn)-containing perovskite solar cells (PSCs) have gained significant attention in the field of perovskite optoelectronics due to lower toxicity than their lead-based counterparts and their potential for tandem applications. However, the lack of stability is a major concern that hampers their development. To achieve the long-term stability of Sn-containing PSCs, it is crucial to have a clear and comprehensive understanding of the degradation mechanisms of Sn-containing perovskites and develop mitigation strategies. This review provides a compendious overview of degradation pathways observed in Sn-containing perovskites, attributing to intrinsic factors related to the materials themselves and environmental factors such as light, heat, moisture, oxygen, and their combined effects. The impact of interface and electrode materials on the stability of Sn-containing PSCs is also discussed. Additionally, various strategies to mitigate the instability issue of Sn-containing PSCs are summarized. Lastly, the challenges and prospects for achieving durable Sn-containing PSCs are presented.
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Affiliation(s)
- Lei Chen
- Department of Physics and Astronomy and Wright Center for Photovoltaics Innovation and CommercializationThe University of Toledo2801 W. Bancroft StreetToledoOH43606USA
| | - Sheng Fu
- Department of Physics and Astronomy and Wright Center for Photovoltaics Innovation and CommercializationThe University of Toledo2801 W. Bancroft StreetToledoOH43606USA
| | - You Li
- Department of Physics and Astronomy and Wright Center for Photovoltaics Innovation and CommercializationThe University of Toledo2801 W. Bancroft StreetToledoOH43606USA
| | - Nannan Sun
- Department of Physics and Astronomy and Wright Center for Photovoltaics Innovation and CommercializationThe University of Toledo2801 W. Bancroft StreetToledoOH43606USA
| | - Yanfa Yan
- Department of Physics and Astronomy and Wright Center for Photovoltaics Innovation and CommercializationThe University of Toledo2801 W. Bancroft StreetToledoOH43606USA
| | - Zhaoning Song
- Department of Physics and Astronomy and Wright Center for Photovoltaics Innovation and CommercializationThe University of Toledo2801 W. Bancroft StreetToledoOH43606USA
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16
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Ou K, Wang Y, Zhang W, Tang Y, Ni Y, Xia Y, Wang H. Highly Sensitive H 2S Gas Sensor Based on a Lead-Free CsCu 2I 3 Perovskite Film at Room Temperature. ACS OMEGA 2023; 8:48326-48335. [PMID: 38144075 PMCID: PMC10733916 DOI: 10.1021/acsomega.3c07694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/21/2023] [Accepted: 11/28/2023] [Indexed: 12/26/2023]
Abstract
Recently, there have been reports of lead halide perovskite-based sensors demonstrating their potential for gas sensing applications. However, the toxicity of lead and the instability of lead-based perovskites have limited their applications. This study addressed this issue by developing a H2S gas sensor based on a lead-free CsCu2I3 film prepared using a one-step CVD method. The sensor demonstrated excellent sensing properties, including a high response and selectivity toward H2S, even at low concentrations (0.2 ppm) at room temperature. Furthermore, a reasonable sensing mechanism was proposed. It is suggested that the sensing mechanism sheds light on the role of defects in perovskite materials, the impact of H2S as an electron donor, and the occurrence of reversible chemical reactions. These findings suggest that lead-free CsCu2I3 has great potential in the field of H2S gas sensing.
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Affiliation(s)
- Kai Ou
- School of Physical Science
and Technology, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Yue Wang
- School of Physical Science
and Technology, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Wenting Zhang
- School of Physical Science
and Technology, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Yongliang Tang
- School of Physical Science
and Technology, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Yuxiang Ni
- School of Physical Science
and Technology, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Yudong Xia
- School of Physical Science
and Technology, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Hongyan Wang
- School of Physical Science
and Technology, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
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17
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Chi S, Yang S, Wang Y, Li D, Zhang L, Fan L, Wang F, Liu X, Liu H, Wei M, Yang J, Yang L. Break through the Steric Hindrance of Ionic Liquids with Carbon Quantum Dots to Achieve Efficient and Stable Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2023; 15:48304-48315. [PMID: 37792963 DOI: 10.1021/acsami.3c11370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Abstract
Overcoming the negative impact of residual ionic liquids (ILs) on perovskite films based on an in-depth understanding of chemical interactions between ionic liquids and preparing perovskite precursor solutions is a great challenge when aiming to simultaneously achieve long-term stability and high efficiency within IL-based perovskite solar cells (PSCs). Herein, 1-butyl-3-methylimidazolium tetrafluoroborate (BMIMBF4), a type of IL, was introduced into the perovskite precursor solution, and carbon quantum dots (CQDs) were further introduced into the antisolvent to enhance the photovoltaic properties of PSCs. Both ILs and CQDs synergistically manipulate the crystallization process and passivate defects to obtain high-quality perovskite films. Besides serving as passivation sites to strengthen the collaboration between additives and perovskite materials, the cointroduction of CQDs further promotes the carrier transport process since it not only provides carrier channels at grain boundaries but also forms better energy alignment, which effectively overcomes the charge transfer loss caused by the steric hindrance of ILs. Based on such a synergistic effect of ILs and CQDs, the n-i-p MAPbI3-based PSCs achieve the highest efficiency of 20.84% with improved stability. This simple and low-cost synergistic integration method will subsequently provide direction for optimizing ILs to improve the photovoltaic performance of PSCs.
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Affiliation(s)
- Shaohua Chi
- Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China
| | - Shuo Yang
- College of Science, Changchun University, Changchun 130022, P. R. China
| | - Yijie Wang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China
| | - Dan Li
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China
| | - Le Zhang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China
| | - Lin Fan
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China
| | - Fengyou Wang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China
| | - Xiaoyan Liu
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China
| | - Huilian Liu
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China
| | - Maobin Wei
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China
| | - Jinghai Yang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China
| | - Lili Yang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China
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