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Morang S, Bandyopadhyay A, Borah N, Kar A, Mandal BB, Karak N. Photoluminescent Self-Healable Waterborne Polyurethane/Mo and S Codoped Graphitic Carbon Nitride Nanocomposite with Bioimaging and Encryption Capability. ACS Appl Bio Mater 2024; 7:1910-1924. [PMID: 38391158 DOI: 10.1021/acsabm.3c01259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
Creating polymers that combine various functions within a single system expands the potential applications of such polymeric materials. However, achieving polymer materials that possess simultaneously elevated strength, toughness, and self-healing capabilities, along with special properties, remains a significant challenge. The present study demonstrates the preparation of S and Mo codoped graphitic carbon nitride (g-C3N4) (Mo@S-CN) nanohybrid and the fabrication of self-healing waterborne polyurethane (SHWPU)/Mo@S-CN (SHWPU/NS) nanocomposites for advanced applications. Mo@S-CN is an intriguing combination of g-C3N4 nanosheets and molybdenum oxide (MoOx) nanorods, forming a complex lamellar structure. This unique arrangement significantly improves the inborn properties of SHWPU to an impressive degree, especially mechanical strength (28.37-34.11 MPa), fracture toughness (73.65-140.98 MJ m-2), and thermal stability (340.17-348.01 °C), and introduces fluorescence activity into the matrix. Interestingly, a representative SHWPU/NS0.5 film is so tough that a dumbbell of 15 kg, which is 53,003 times heavier than the weight of the film, can be successfully lifted without any significant crack. Remarkably, fluorescence activity is developed because of electronic excitations occurring within the repeating polymeric tris-triazine units of the Mo@S-CN nanohybrid. This fascinating feature was effectively harnessed by assessing the usability of aqueous dispersions of the Mo@S-CN nanohybrid and photoluminescent SHWPU/NS nanocomposites as sustainable stains for bioimaging of human dermal fibroblast cells and anticounterfeiting materials, respectively. The in vitro fluorescence tagging test showed blue emission from 365 nm excitation, green emission from 470 nm excitation, and red emission from 545 nm excitation. Most importantly, in vitro hemocompatibility assessment, in vitro cytocompatibility, cell proliferation assessment, and cellular morphology assessment supported the biocompatibility nature of the Mo@S-CN nanohybrid and SHWPU/NS nanocomposites. Thus, these materials can be used for advanced applications including bioimaging.
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Affiliation(s)
- Samiran Morang
- Advanced Polymer and Nanomaterial Laboratory (APNL), Department of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
| | - Ashutosh Bandyopadhyay
- Biomaterials and Tissue Engineering Laboratory, Department of Biosciences & Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Nobomi Borah
- Advanced Polymer and Nanomaterial Laboratory (APNL), Department of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
| | - Annesha Kar
- Advanced Polymer and Nanomaterial Laboratory (APNL), Department of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
| | - Biman B Mandal
- Biomaterials and Tissue Engineering Laboratory, Department of Biosciences & Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
- Jyoti and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Niranjan Karak
- Advanced Polymer and Nanomaterial Laboratory (APNL), Department of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
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Jin JL, Zhang SF, Zhao P, Shen YL, Fang JJ, Liu Z, Ehara M, Mi LW, Xie YP, Lu X. Ag 6 Cu 8 (C=CAr) 14 (DPPB) 2 : A Rigid Ligand Co-Protected Bimetallic Silver(I)-Copper(I) Cluster with Room-Temperature Luminescence. Chem Asian J 2023; 18:e202300844. [PMID: 37753735 DOI: 10.1002/asia.202300844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 09/26/2023] [Indexed: 09/28/2023]
Abstract
Metal clusters have become increasingly important in various applications, with ligands playing a crucial role in their construction. In this study, we synthesized a bimetallic cluster, Ag6 Cu8 (C=CAr)14 (DPPB)2 (Ag6 Cu8 ), using a rigid acetylene ligand, 3,5-bis(trifluoromethyl)phenylacetylide. Through single-crystal structure characterization, we discovered that the butterfly-shaped Ag2 Cu2 motifs were subject to distortion due to steric hindrance imposed by the rigid ligand. These motifs assembled together through shared vertices and edges. Mass spectrometry analysis revealed that the primary fragments detected during electrospray ionization (ESI) testing corresponded to the Ag2 Cu2 motifs. Furthermore, we conducted a comprehensive investigation of the cluster's solution properties employing 31 P NMR, UV-vis absorption, and photoluminescent measurements. In contrast to previously reported Ag/Cu bimetallic clusters protected by flexible ligands, Ag6 Cu8 protected by rigid ligands exhibited intriguing room temperature fluorescence properties alongside excellent thermal stability. DFT calculations on Ag6 Cu8 and Ag6 Cu8 with the rigid aromatic ring removed revealed that the presence of the rigid aromatic ring can lower the electronic energy levels of the cluster, and reduce the energy gap from 4.05 eV to 3.45 eV. Moreover, the rigid ligand further suppressed the non-radiative transition process, leading to room temperature fluorescence emission.
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Affiliation(s)
- Jun-Ling Jin
- Henan Key Laboratory of Functional Salt Materials, Center for Advanced Materials Research, Zhongyuan University of Technology, Zhengzhou4, 50007, China
| | - Sheng-Fa Zhang
- Henan Key Laboratory of Functional Salt Materials, Center for Advanced Materials Research, Zhongyuan University of Technology, Zhengzhou4, 50007, China
| | - Pei Zhao
- Center for Computational Science, Institute for Molecular Science, Okazaki, 444-8585, Japan
| | - Yang-Lin Shen
- School of Materials and Chemical Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials, Henan University of Engineering, Zhengzhou, 451191, China
| | - Jun-Jie Fang
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Zheng Liu
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Masahiro Ehara
- Center for Computational Science, Institute for Molecular Science, Okazaki, 444-8585, Japan
| | - Li-Wei Mi
- Henan Key Laboratory of Functional Salt Materials, Center for Advanced Materials Research, Zhongyuan University of Technology, Zhengzhou4, 50007, China
| | - Yun-Peng Xie
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xing Lu
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
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Chen Y, Cui H, Duan R, Tang R, Tong Y, Zhao D, He W. Carbon dots stabilized photoluminescent blue phase liquid crystals. Nanotechnology 2023; 34. [PMID: 37524081 DOI: 10.1088/1361-6528/acebf8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 07/31/2023] [Indexed: 08/02/2023]
Abstract
Blue phase liquid crystals (BPLCs) have significant potential in the field of liquid crystal displays (LCDs) and are proposed as potential next-generation of LCDs candidates. However, BPLCs do not emit light directly and need an extra backlight device. As a result, the blue phase liquid crystal display retains the disadvantages of low brightness and low energy efficiency, which remarkably limit its application. Recently, as a kind of novel fluorescent carbon nanomaterials, carbon dots (CDs) have captured considerable attention because of their excellent optical properties. Here, CDs were directly synthesized by a simple solvothermal method and introduced into BPLCs. By combining the excellent optical properties of CDs with the blue phase liquid crystal system, the photoluminescent blue phase liquid crystals (CDs-BPLCs) with self-photoluminescence are prepared. Meanwhile, the stability of BPLCs can be improved by CDs. Such CDs-BPLCs have enormous potential in the development of novel energy-saving display devices.
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Affiliation(s)
- Ying Chen
- School of Chemistry, Beihang University, Beijing, 100191, People's Republic of China
| | - Huaruo Cui
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, People's Republic of China
| | - Ran Duan
- School of Chemistry, Beihang University, Beijing, 100191, People's Republic of China
| | - Ruiqi Tang
- School of Chemistry, Beihang University, Beijing, 100191, People's Republic of China
| | - Yingping Tong
- School of Chemistry, Beihang University, Beijing, 100191, People's Republic of China
| | - Dongyu Zhao
- School of Chemistry, Beihang University, Beijing, 100191, People's Republic of China
| | - Wanli He
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, People's Republic of China
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Kamnoy M, Pengpat K, Tunkasiri T, Khamman O, Intatha U, Eitssayeam S. Investigating the Thermo-Optic Properties of BCZT-Based Temperature Sensors. Materials (Basel) 2023; 16:5202. [PMID: 37512476 PMCID: PMC10385624 DOI: 10.3390/ma16145202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/06/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023]
Abstract
Photoluminescent (PL) layers and electroluminescent (EL) systems have gained significant attention for their applications in constructing flat panels, screen monitors, and lighting systems. In this study, we present a groundbreaking approach to fabricating temperature sensors using barium-calcium zirconium titanate (BCZT) with thermo-optic properties, leading to the development of opto-thermal sensors for electric vehicle battery packs. We prepared zinc sulfide (ZnS) fluorescent films on BCZT ceramics, specifically two optimal compositions, BCZT0.85 (Ba0.85Ca0.15Zr0.1Ti0.9O3) and BCZT0.9 (Ba0.9Ca0.1Zr0.1Ti0.9O3), via the solid-state reaction method for the dielectric layer. The BCZT powders were calcined at varying temperatures (1200 and 1250 °C) and dwell times (2 and 4 h). The resulting phase formation and microstructure characteristics were analyzed using X-ray diffraction and scanning electron microscopy, respectively. Our investigation aimed to establish a correlation between the dielectric behavior and optical properties to determine the optimal composition and conditions for utilizing BCZT as thermal detectors in electric vehicle battery packs. All BCZT powders exhibited a tetragonal phase, as confirmed by JCPDS No. 01-079-2265. We observed an increase in the dielectric constant with higher calcining temperatures or longer dwell times. Remarkably, BCZT0.85 ceramic sintered at 1250 °C for 4 h displayed the highest dielectric constant of 15,342, establishing this condition as optimal for preparing the dielectric film with a maximum dielectric constant of 42. Furthermore, we investigated the temperature-dependent electroluminescence intensity of the samples, revealing a significant enhancement with increasing temperature, reaching its peak at 80 °C. Additionally, we observed a positive correlation between electroluminescence intensity and dielectric constant, indicating the potential for improved opto-thermal sensors. The findings from this study offer promising opportunities for the development of advanced opto-thermal sensors with potential applications in electric vehicle battery packs. Our work contributes to the expanding field of photoluminescent and electroluminescent systems by providing novel insights into the design and optimization of efficient and reliable sensors for thermal monitoring in electric vehicle technologies.
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Affiliation(s)
- Manlika Kamnoy
- Department of Physics and Materials Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Kamonpan Pengpat
- Department of Physics and Materials Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Tawee Tunkasiri
- Department of Physics and Materials Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Orawan Khamman
- Department of Physics and Materials Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Uraiwan Intatha
- School of Science, Mae Fah Luang University, Chiang Rai 57000, Thailand
| | - Sukum Eitssayeam
- Department of Physics and Materials Science, Chiang Mai University, Chiang Mai 50200, Thailand
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Zhu X, Han K, Li C, Wang J, Yuan J, Pan Z, Pan M. Tough, Photoluminescent, Self-Healing Waterborne Polyurethane Elastomers Resulting from Synergistic Action of Multiple Dynamic Bonds. ACS Appl Mater Interfaces 2023; 15:19414-19426. [PMID: 37018595 DOI: 10.1021/acsami.3c00333] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Polymers that integrate multiple functions into one system broaden the application range of materials, but it remains a great challenge to obtain polymer materials with simultaneously high strength, high toughness, and high self-healing rate. In this work, we prepared waterborne polyurethane (WPU) elastomers using Schiff bases containing disulfide and acylhydrazone bonds (PD) as chain extenders. Acylhydrazone forming a hydrogen bond not only acts as a physical cross-linking point, which promotes the microphase separation of polyurethane to increase the thermal stability, tensile strength, and toughness of the elastomer, but also serves as a "clip" to integrate various dynamic bonds together to synergistically reduce the activation energy of the polymer chain movement and endow the molecular chain with faster fluidity. Therefore, WPU-PD exhibits excellent mechanical properties at room temperature, such as a tensile strength and a fracture energy of 25.91 MPa and 121.66 kJ m-2, respectively, and a high self-healing efficiency of 93.7% in a short time under moderate heating conditions. In addition, the photoluminescence property of WPU-PD enables us to track its self-healing process by monitoring change of the fluorescence intensity at the cracks, which helps to avoid the accumulation of cracks and improve the reliability of the elastomer. This self-healing polyurethane has a great potential application value in optical anticounterfeiting, flexible electronics devices, functional automobile protective films, and so on.
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Affiliation(s)
- Xueling Zhu
- Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, P. R. China
| | - Kai Han
- Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, P. R. China
| | - Chao Li
- Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, P. R. China
| | - Jianlong Wang
- Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, P. R. China
| | - Jinfeng Yuan
- Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, P. R. China
- Hebei Key Laboratory of Functional Polymers, Hebei University of Technology, Tianjin 300401, P. R. China
| | - Zhicheng Pan
- Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, P. R. China
- Hebei Key Laboratory of Functional Polymers, Hebei University of Technology, Tianjin 300401, P. R. China
| | - Mingwang Pan
- Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, P. R. China
- Hebei Key Laboratory of Functional Polymers, Hebei University of Technology, Tianjin 300401, P. R. China
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Zhang Y, Cai N, Chan V. Recent Advances in Silicon Quantum Dot-Based Fluorescent Biosensors. Biosensors (Basel) 2023; 13:311. [PMID: 36979523 PMCID: PMC10046568 DOI: 10.3390/bios13030311] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/09/2023] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
With the development of nanotechnology, fluorescent silicon nanomaterials have been synthesized and applied in various areas. Among them, silicon quantum dots (SiQDs) are a new class of zero-dimensional nanomaterials with outstanding optical properties, benign biocompatibility, and ultra-small size. In recent years, SiQDs have been gradually utilized for constructing high-performance fluorescent sensors for chemical or biological analytes. Herein, we focus on reviewing recent advances in SiQD-based fluorescent biosensors from a broad perspective and discussing possible future trends. First, the representative progress for synthesizing water-soluble SiQDs in the past decade is systematically summarized. Then, the latest achievement of the design and fabrication of SiQD-based fluorescent biosensors is introduced, with a particular focus on analyte-induced photoluminescence (fluorescence) changes, hybrids of SiQDs with other materials or molecules, and biological ligand-modification methods. Finally, the current challenges and prospects of this field are highlighted.
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Affiliation(s)
- Yanan Zhang
- College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang 438000, China
| | - Ning Cai
- Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Engineering Research Center for Advanced Fine Chemicals, Hubei Key Laboratory of Novel Reactor & Green Chemical Technology, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430073, China
| | - Vincent Chan
- Department of Biomedical Engineering, Khalifa University of Science and Technology, Abu Dhabi 127788, United Arab Emirates
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Debasmita D, Ghosh SS, Chattopadhyay A. Living Gut Bacteria Functionalized with Gold Nanoclusters and Drug for Facile Cancer Theranostics. ACS Appl Bio Mater 2023; 6:628-639. [PMID: 36651899 DOI: 10.1021/acsabm.2c00911] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Bacbots are potent self-propelling vehicles for targeted therapy that can be guided by chemical and biochemical stimuli of the host. In addition, they can be guided externally by the use of magnetic field or other physical forces. The challenge is to incorporate drugs and diagnostic tools in living bacteria with retention of theranostic activity until reaching the targets and easy clearance of the remainder following the treatment. We report that living Lactobacillus rhamnosus, when functionalized with photoluminescent Au nanoclusters and the anticancer drug methotrexate, was cytotoxic to monolayer and spheroids of cancer cells (HeLa and HT29) even at a low dose of bacteria used (107 cfu/mL). The observed cell death was nearly 90% in HeLa spheroids and 70% in HT29 spheroids. Further, functionalization of the bacterial surface with the nanoclusters helped incorporate the drug onto their cell surfaces. The drug and nanocluster-loaded bacteria annihilated the cells and the spheroids in a rather short time (6 h) that revealed the specificity and effectiveness of the bacbots. The bacbots exhibited synergistic toxicity on the cells as their effect was more than the drug and the bacteria individually. This higher toxicity could be associated with elevated levels of reactive oxygen species generated in the bacbot-treated cells. The multifunctional bacbots reported here provide an option for guided therapy with the natural variant of the human gut-friendly living bacteria without the need for attenuation or genetic modification.
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Gulati S, Baul A, Amar A, Wadhwa R, Kumar S, Varma RS. Eco-Friendly and Sustainable Pathways to Photoluminescent Carbon Quantum Dots (CQDs). Nanomaterials (Basel) 2023; 13:554. [PMID: 36770515 PMCID: PMC9920802 DOI: 10.3390/nano13030554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 06/18/2023]
Abstract
Carbon quantum dots (CQDs), a new family of photoluminescent 0D NPs, have recently received a lot of attention. They have enormous future potential due to their unique properties, which include low toxicity, high conductivity, and biocompatibility and accordingly can be used as a feasible replacement for conventional materials deployed in various optoelectronic, biomedical, and energy applications. The most recent trends and advancements in the synthesizing and setup of photoluminescent CQDs using environmentally friendly methods are thoroughly discussed in this review. The eco-friendly synthetic processes are emphasized, with a focus on biomass-derived precursors. Modification possibilities for creating newer physicochemical properties among different CQDs are also presented, along with a brief conceptual overview. The extensive amount of writings on them found in the literature explains their exceptional competence in a variety of fields, making these nanomaterials promising alternatives for real-world applications. Furthermore, the benefits, drawbacks, and opportunities for CQDs are discussed, with an emphasis on their future prospects in this emerging research field.
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Affiliation(s)
- Shikha Gulati
- Department of Chemistry, Sri Venkateswara College, University of Delhi, Delhi 110021, India
| | - Arikta Baul
- Department of Chemistry, Sri Venkateswara College, University of Delhi, Delhi 110021, India
| | - Anoushka Amar
- Department of Chemistry, Sri Venkateswara College, University of Delhi, Delhi 110021, India
| | - Rachit Wadhwa
- Department of Chemistry, Sri Venkateswara College, University of Delhi, Delhi 110021, India
| | - Sanjay Kumar
- Department of Chemistry, Sri Venkateswara College, University of Delhi, Delhi 110021, India
| | - Rajender S. Varma
- Institute for Nanomaterials, Advanced Technologies, and Innovation (CxI), Technical University of Liberec (TUL), Studentská 1402/2, 461 17 Liberec, Czech Republic
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Tubio CR, Seoane-Rivero R, Neira S, Benito V, Zubieta KG, Lanceros-Mendez S. Fiber-Reinforced Polyester Composites with Photoluminescence Sensing Capabilities for UV Degradation Monitoring. Polymers (Basel) 2022; 14:polym14173666. [PMID: 36080739 PMCID: PMC9460219 DOI: 10.3390/polym14173666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/18/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022] Open
Abstract
The wide application of fiber-reinforced polymer composite (FRPC) materials has given rise to the problem of their durability and performance over time. These problems are largely associated with their environmental conditions and service procedures, including ultraviolet (UV) irradiation. Here, we propose the production of polyester-based composites with different contents of synthesized Y3Al5O12:Ce3+,Ga (YAG:Ce,Ga) particles to provide sensing abilities towards material degradation. In this regard, the composites were subjected to UV radiation exposure, and its influence on the morphological, mechanical, and optical properties of the materials was investigated. Our findings reveal the self-sensing capabilities of the developed FRPC. The results indicate the potential of the system for the development of highly effective coatings allowing to detect and monitor UV degradation in composite materials for demanding applications.
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Affiliation(s)
- Carmen R. Tubio
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
- Correspondence: ; Tel.: +34-946-128-811
| | - Rubén Seoane-Rivero
- GAIKER Technology Centre, Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Bizkaia, Edificio 202, 48170 Zamudio, Spain
| | - Santiago Neira
- GAIKER Technology Centre, Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Bizkaia, Edificio 202, 48170 Zamudio, Spain
| | - Vanesa Benito
- GAIKER Technology Centre, Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Bizkaia, Edificio 202, 48170 Zamudio, Spain
| | - Koldo Gondra Zubieta
- GAIKER Technology Centre, Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Bizkaia, Edificio 202, 48170 Zamudio, Spain
| | - Senentxu Lanceros-Mendez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
- IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain
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Hao S, Li T, Yang X, Song H. Ultrastretchable, Adhesive, Fast Self-Healable, and Three-Dimensional Printable Photoluminescent Ionic Skin Based on Hybrid Network Ionogels. ACS Appl Mater Interfaces 2022; 14:2029-2037. [PMID: 34958556 DOI: 10.1021/acsami.1c21325] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Developing multifunctional stretchable ionic skin (I-Skin) to mimic the sensations of the human skin is of great interest and shows promising potential in wearable sensors and human-machine interfaces (HMIs). However, common ionogels prepared with small-molecule cross-linkers and single networks can hardly satisfy the requirements of adjustable mechanical properties, strong adhesion, fast self-healability, and good stability in extreme environments. Herein, an ultrastretchable (>10,000%), ultrastrong adhesive (>6.8 MPa), ultrafast self-healable (10 s), high thermally stable (-60 to 250 °C), and three-dimensional (3D)-printable photoluminescent ionogel with shape memory properties has been designed. The ionogel consists of hyperbranched polymer covalent-cross-linked poly(zwitterionic ionic liquid)-co-poly(acrylic acid) and multiple dynamic bonding cross-linked networks. The excellent performance of the ionogel-based high-stretchable strain sensor and the triboelectric nanogenerator (TENG)-based self-powered touch sensor is further demonstrated over a wide temperature range (-40 to 150 °C). More importantly, ionogel-based I-Skin can work as an HMI for human gesture recognition and real-time wireless control of robots under extreme vacuum conditions and can also self-heal immediately along with function recovery after mechanical damage.
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Affiliation(s)
- Shuai Hao
- College of Chemistry & Environmental Science, Hebei University, Baoding, Hebei Province 071002, P. R. China
| | - Tianci Li
- College of Chemistry & Environmental Science, Hebei University, Baoding, Hebei Province 071002, P. R. China
| | - Xuemeng Yang
- College of Chemistry & Environmental Science, Hebei University, Baoding, Hebei Province 071002, P. R. China
| | - Hongzan Song
- College of Chemistry & Environmental Science, Hebei University, Baoding, Hebei Province 071002, P. R. China
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Huang Z, Ma Y, Jing W, Zhang Y, Jia X, Cai Q, Ao Q, Yang X. Tracing Carbon Nanotubes (CNTs) in Rat Peripheral Nerve Regenerated with Conductive Conduits Composed of Poly(lactide- co-glycolide) and Fluorescent CNTs. ACS Biomater Sci Eng 2020; 6:6344-6355. [PMID: 33449666 DOI: 10.1021/acsbiomaterials.0c01065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Nerve regeneration can be promoted using nerve guide conduits (NGCs). Carbon nanotubes (CNTs) are often used to prepare conductive NGCs, however, the major concern for their applications is the final location of the implanted CNTs in vivo. Herein, photoluminescent multiwalled CNTs (MWCNTs) were prepared and electrospun with poly(lactide-co-glycolide) (PLGA), followed by shaping into multichannel NGCs for repairing of injured rat sciatic nerve, thereby the distribution of CNTs in vivo could be detected via bioimaging. Photoluminescent MWCNTs (MWCNT-FITC) were prepared by functionalization with poly(glycidyl methacrylate) (PGMA) and fluorescein-isothiocyanate-isomer I (FITC) subsequently. The conductivity of the PLGA/MWCNT-FITC fibers was approx. 10-4 S/cm at 3 wt % MWCNTs. Compared with PLGA fibers, Schwann cells on PLGA/MWCNT-FITC fibers matured at a faster rate, accordingly, nerve regeneration was promoted by the PLGA/MWCNT-FITC NGC. With a confocal laser scanning microscope and small-animal imaging system, the location of MWCNTs was detected. Alongside the degradation of PLGA, MWCNTs intended to aggregate and were entrapped in the regenerated nerve tissue without migrating into surrounding tissues and other organs (liver, kidneys, and spleen). This study provides a useful characterization method for MWCNTs and the guidance for in vivo applications of MWCNTs in tissue engineering.
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Affiliation(s)
- Zirong Huang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yizhan Ma
- Department of Tissue Engineering, China Medical University, Shenyang 110122, China
| | - Wei Jing
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yanling Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xiaolong Jia
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Qing Cai
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Qiang Ao
- Department of Tissue Engineering, China Medical University, Shenyang 110122, China.,Institute of Regulatory Science for Medical Device, Engineering Research Center in Biomaterials, Sichuan University, Chengdu 610064, China
| | - Xiaoping Yang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
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Xie Z, Lu R, Zhu Y, Peng M, Fan T, Ren P, Wang B, Kang L, Liu X, Li S, Cui H. Liquid-phase exfoliation of black sesame to create a nanoplatform for in vitro photoluminescence and photothermal therapy. Nanomedicine (Lond) 2020; 15:2041-2052. [PMID: 32867583 DOI: 10.2217/nnm-2020-0151] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: The present study aims to apply the facile liquid-phase exfoliation (LPE) strategy to fabricate 2D organic materials and thus to broaden the family of biocompatible and multifunctional 2D materials. Materials & methods: 2D material-organic melanin and cellulose nanosheets were synthesized from black sesame hull using LPE. Photoluminescence and photothermal properties of the nanosheets were assessed, as well as stability and cell killing ability. Results: The prepared 2D nanoplatform exhibited broad and multiple photoluminescent emission bands. It also demonstrated efficient photothermal cancer therapy with excellent biocompatibility. Conclusion: The present study could open an avenue in exfoliating organic materials using the LPE strategy. This could make the fabrication of multifunctional 2D organic materials more efficient and broaden the family of biocompatible 2D nanomaterials.
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Affiliation(s)
- Zhongjian Xie
- Shenzhen International Institute for Biomedical Research, Shenzhen, Guangdong, 518116, PR China
| | - Ruitao Lu
- School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, Guangdong, PR China
| | - Yao Zhu
- Department of Ultrasonography, Shenzhen People's Hospital, The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science & Technology, Shenzhen, Guangdong, 518020, PR China
| | - Minhua Peng
- Shenzhen International Institute for Biomedical Research, Shenzhen, Guangdong, 518116, PR China.,Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, 518055, PR China
| | - Taojian Fan
- Key Laboratory of Optoelectronic Devices & Systems of Ministry of Education & Guangdong Province, Institute of Microscale Optoelectronics, & Otolaryngology Department & Biobank of the First Affiliated Hospital, Shenzhen Second People's Hospital, Health Science Center, Shenzhen University, Shenzhen, 518060, PR China
| | - Peigen Ren
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, 518055, PR China
| | - Bing Wang
- College of Physics & Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, PR China
| | - Lin Kang
- Clinical Medical Research Center, Shenzhen People's Hospital, The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, 518020, Guangdong, PR China.,Department of Endocrinology, Shenzhen People's Hospital, Shenzhen, 518020, Guangdong, PR China
| | - Xiaoyun Liu
- Department of Neurology, The Second Hospital of Hebei Medical University, 215 West Heping Road, Shijiazhuang, Hebei, 050000, PR China
| | - Sha Li
- Department of Anatomy, Hebei Medical University, Shijiazhuang, PR China
| | - Huixian Cui
- Department of Anatomy, Hebei Medical University, Shijiazhuang, PR China
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Jamaludin N, Tan TL, Zaman ASK, Sadrolhosseini AR, Rashid SA. Acid-Free Hydrothermal-Extraction and Molecular Structure of Carbon Quantum Dots Derived from Empty Fruit Bunch Biochar. Materials (Basel) 2020; 13:E3356. [PMID: 32751070 PMCID: PMC7435678 DOI: 10.3390/ma13153356] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 06/28/2020] [Accepted: 07/01/2020] [Indexed: 01/30/2023]
Abstract
Carbon quantum dots (CQD) have great potential to be used in various applications due to their unique electrical and optical properties. Herein, a facile, green and eco-friendly hydrothermal method for the preparation of carbon quantum dots was achieved using empty fruit bunch (EFB) biochar as a renewable and abundant carbon source. In the current study, the role of the hydrothermal process was observed and studied by comparing the morphology and optical characteristics of CQD obtained from EFB biochar. Interestingly, based on the high-resolution transmission electron microscopy (HRTEM) result, a considerably similar carbon quantum dots structure can be observed for the EFB biochar sample, showing the similar size and distribution of CQD. To further discuss the extraction of CQD from EFB biochar, a mechanism based on hydrothermal-induced extraction of CQD is proposed. The optimal structure of CQD deduced by density functional theory (DFT) in energy and dipole momentum was about 2057.4905 Hatree and 18.1699 Debye, respectively. This study presents a practical experimental approach in elucidating the molecular structure of photoluminescence CQD based on the Fourier transform infrared (FTIR) spectroscopy, X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM) results.
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Affiliation(s)
- Norhanisah Jamaludin
- Materials Processing and Technology Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (N.J.); (A.S.K.Z.)
| | - Tong Ling Tan
- Materials Processing and Technology Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (N.J.); (A.S.K.Z.)
| | - Alif Syafiq Kamarol Zaman
- Materials Processing and Technology Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (N.J.); (A.S.K.Z.)
| | - Amir Reza Sadrolhosseini
- Functional Device Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
| | - Suraya Abdul Rashid
- Materials Processing and Technology Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (N.J.); (A.S.K.Z.)
- Department of Chemical & Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
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14
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Kim MY, Ahn JP, Han SY, Lee NS, Jeong YG, Kim DK. Highly Luminescent and Anti-Photobleaching Core-Shell Structure of Mesoporous Silica and Phosphatidylcholine Modified Superparamagnetic Iron Oxide Nanoparticles. Nanomaterials (Basel) 2020; 10:nano10071312. [PMID: 32635432 PMCID: PMC7408092 DOI: 10.3390/nano10071312] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 06/23/2020] [Accepted: 07/02/2020] [Indexed: 01/06/2023]
Abstract
Highly fluorescent magnetic nanoparticles (Eu(TTA)3(P(Oct)3)3@mSiO2@SPION) [europium (III) chloride hexahydrate = Eu; 4,4,4-trifluoro-1-(2-thienyl)-1,3-butanedione = TTA; trioctylphosphine = (P(Oct)3); mesoporous silica = mSiO2; superparamagnetic iron oxide nanoparticle = SPION] were developed as a dual-functional imaging agent. The hierarchical structure was composed of a magnetic core and mesoporous silica shell was constructed using a cationic surfactant template after coating with phosphatidylcholine of oleic acid coated SPION. Afterward, the surface and cavities of mSiO2@SPION were modified with 3-(trimethoxysilyl) propyl methacrylate (TMSPMA) as a silane coupling agent to introduce methacrylate groups. Eu(TTA)3(P(Oct)3)3 molecules are penetrated, located and bonded covalently inside of the cavities/mesopores of mSiO2, it shows extremely stable anti-photobleaching properties. The emission spectra of Eu(TTA)3(P(Oct)3)3@mSiO2@SPION indicated typical hypersensitivity transition 5D0→7F2 at 621 nm. The concentration of Eu(TTA)3(P(Oct)3)3@mSiO2@SPION was varied between 10 and 500 μL/mL to evaluate the cytotoxicity with NCI-H460 (H460) cells using MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay. In addition, the presence of a strong red-emitting Eu(TTA)3(P(Oct)3)3@mSiO2@SPION in the cytoplasm was observed by fluorescence microscopy. Those results that it can be a potential candidate for dual-functional contrast agent and PL nanomaterials for fabricating the diagnostic kits to amplify the low signal.
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Affiliation(s)
- Myeong Yun Kim
- Department of Anatomy, College of Medicine, Konyang University Hospital, Daejeon 35365, Korea; (M.Y.K.); (S.Y.H.); (N.-S.L.); (Y.G.J.)
| | - Jong-Pil Ahn
- Department of Business Cooperation Center, Korea Institute of Ceramic Engineering and Technology, Bucheon 14502, Korea;
| | - Seung Yun Han
- Department of Anatomy, College of Medicine, Konyang University Hospital, Daejeon 35365, Korea; (M.Y.K.); (S.Y.H.); (N.-S.L.); (Y.G.J.)
| | - Nam-Seob Lee
- Department of Anatomy, College of Medicine, Konyang University Hospital, Daejeon 35365, Korea; (M.Y.K.); (S.Y.H.); (N.-S.L.); (Y.G.J.)
| | - Young Gil Jeong
- Department of Anatomy, College of Medicine, Konyang University Hospital, Daejeon 35365, Korea; (M.Y.K.); (S.Y.H.); (N.-S.L.); (Y.G.J.)
| | - Do Kyung Kim
- Department of Anatomy, College of Medicine, Konyang University Hospital, Daejeon 35365, Korea; (M.Y.K.); (S.Y.H.); (N.-S.L.); (Y.G.J.)
- Correspondence: ; Tel.: +82-42-600-6445
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15
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Jia J, Sun Y, Zhang Y, Liu Q, Cao J, Huang G, Xing B, Zhang C, Zhang L, Cao Y. Facile and Efficient Fabrication of Bandgap Tunable Carbon Quantum Dots Derived From Anthracite and Their Photoluminescence Properties. Front Chem 2020; 8:123. [PMID: 32181240 PMCID: PMC7059121 DOI: 10.3389/fchem.2020.00123] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Accepted: 02/10/2020] [Indexed: 12/25/2022] Open
Abstract
Low-cost and earth-abundant coal has been considered to have a unique structural superiority as carbon sources of carbon quantum dots (CQDs). However, it is still difficult to obtain CQDs from raw coal due to its compactibility and lower reactivity, and the majority of the current coal-based CQDs usually emit green or blue fluorescence. Herein, a facile two-step oxidation approach (K2FeO4 pre-oxidation and H2O2 oxidation) was proposed to fabricate bandgap tunable CQDs from anthracite. The K2FeO4 pre-oxidation can not only weaken the non-bonding forces among coal molecules which cause the expansion of coal particles, but also form a large number of active sites on the surface of coal particles. The above effects make the bandgap tunable CQDs (blue, green, or yellow fluorescence) can be quickly obtained from anthracite within 1 h in the following H2O2 oxidation by simply adjusting the concentration of H2O2. All the as-prepared CQDs contain more than 30 at% oxygen, and the average diameters of which are <10 nm. The results also indicate that the high oxygen content only can create new energy states inside the band gap of CQDs with average diameter more than 3.2 ± 0.9 nm, which make the as-prepared CQDs emit green or yellow fluorescence.
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Affiliation(s)
- Jianbo Jia
- Henan Key Laboratory of Coal Green Conversion, College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, China.,Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou, China
| | - Yue Sun
- Henan Key Laboratory of Coal Green Conversion, College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, China
| | - Yaojie Zhang
- Henan Key Laboratory of Coal Green Conversion, College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, China
| | - Quanrun Liu
- Henan Key Laboratory of Coal Green Conversion, College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, China
| | - Jianliang Cao
- Henan Key Laboratory of Coal Green Conversion, College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, China
| | - Guangxu Huang
- Henan Key Laboratory of Coal Green Conversion, College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, China.,Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou, China
| | - Baolin Xing
- Henan Key Laboratory of Coal Green Conversion, College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, China.,Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou, China
| | - Chuanxiang Zhang
- Henan Key Laboratory of Coal Green Conversion, College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, China.,Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou, China
| | - Lina Zhang
- Henan Key Laboratory of Coal Green Conversion, College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, China
| | - Yijun Cao
- Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou, China
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Abstract
It is the unique size-dependent band gap of quantum dots (QDs) that makes them so special in various applications. They have attracted great interest, especially in optoelectronic fields such as light emitting diodes and photovoltaic cells, because their photoluminescent characteristics can be significantly improved via optimization of the processes by which they are synthesized. Control of their core/shell heterostructures is especially important and advantageous. However, a few challenges remain to be overcome before QD-based devices can completely replace current optoelectronic technology. This Special Issue provides detailed guides for synthesis of high-quality QDs and their applications. In terms of fabricating devices, tailoring optical properties of QDs and engineering defects in QD-related interfaces for higher performance remain important issues to be addressed.
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Zhang Y, Zhao Y, Wu D, Xue J, Qiu Y, Liao M, Pei Q, Goorsky MS, He X. Homogeneous Freestanding Luminescent Perovskite Organogel with Superior Water Stability. Adv Mater 2019; 31:e1902928. [PMID: 31353756 DOI: 10.1002/adma.201902928] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 06/13/2019] [Indexed: 05/07/2023]
Abstract
Metal-halide perovskites have become appealing materials for optoelectronic devices. While the fast advancing stretchable/wearable devices require stability, flexibility and scalability, current perovskites suffer from ambient-environmental instability and incompatible mechanical properties. Recently perovskite-polymer composites have shown improved in-air stability with the protection of polymers. However, their stability remains unsatisfactory in water or high-humidity environment. These methods also suffer from limited processability with low yield (2D film or beads) and high fabrication cost (high temperature, air/moisture-free conditions), thereby limiting their device integration and broader applications. Herein, by combining facile photo-polymerization with room-temperature in-situ perovskite reprecipitation at low energy cost, a one-step scalable method is developed to produce freestanding highly-stable luminescent organogels, within which CH3 NH3 PbBr3 nanoparticles are homogeneously distributed. The perovskite-organogels present a record-high stability at different pH and temperatures, maintaining their high quantum yields for > 110 days immersing in water. This paradigm is universally applicable to broad choices of polymers, hence casting these emerging luminescent materials to a wide range of mechanical properties tunable from rigid to elastic. With intrinsically ultra-stretchable photoluminescent organogels, flexible phosphorous layers were demonstrated with > 950% elongation. Rigid perovskite gels, on the other hand, permitted the deployment of 3D-printing technology to fabricate arbitrary 2D/3D luminescent architectures.
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Affiliation(s)
- Yucheng Zhang
- Department of Materials Science and Engineering, University of California, Los Angeles, CA, 90095, USA
| | - Yusen Zhao
- Department of Materials Science and Engineering, University of California, Los Angeles, CA, 90095, USA
| | - Dong Wu
- Department of Materials Science and Engineering, University of California, Los Angeles, CA, 90095, USA
| | - Jingjing Xue
- Department of Materials Science and Engineering, University of California, Los Angeles, CA, 90095, USA
| | - Yu Qiu
- Department of Materials Science and Engineering, University of California, Los Angeles, CA, 90095, USA
| | - Michael Liao
- Department of Materials Science and Engineering, University of California, Los Angeles, CA, 90095, USA
| | - Qibing Pei
- Department of Materials Science and Engineering, University of California, Los Angeles, CA, 90095, USA
| | - Mark S Goorsky
- Department of Materials Science and Engineering, University of California, Los Angeles, CA, 90095, USA
| | - Ximin He
- Department of Materials Science and Engineering, University of California, Los Angeles, CA, 90095, USA
- California Nanosystems Institute, Los Angeles, CA, 90095, USA
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Semeniuk M, Yi Z, Poursorkhabi V, Tjong J, Jaffer S, Lu ZH, Sain M. Future Perspectives and Review on Organic Carbon Dots in Electronic Applications. ACS Nano 2019; 13:6224-6255. [PMID: 31145587 DOI: 10.1021/acsnano.9b00688] [Citation(s) in RCA: 130] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Over the span of the past decade, carbon dots (CDs) synthesized from renewable organic resources (organic CDs) have gathered a considerable amount of attention for their photoluminescent properties. This review will focus on organic CDs synthesized using clean chemistry and conventional synthetic chemistry from organic sources and their fluorescence mechanisms, such as quantum confinement effect and surface/edge defects, before outlining their performance in electronic applications, including organic photovoltaic devices, organic light-emitting devices, biosensors, supercapacitors, and batteries. The various organic resources and methods of organic CDs synthesis are briefly covered. Many challenges remain before the adoption of CDs can become widespread; their characterization, structure, functionality, and exact photoluminescent mechanism all require additional research. This review aims to summarize the current research outcomes and highlight the area where further research is needed to fully use these materials.
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Affiliation(s)
- Maria Semeniuk
- Centre for Biocomposites and Biomaterials Processing, Faculty of Forestry , University of Toronto , 33 Willcocks Street , Toronto , Ontario M5S 3B3 , Canada
| | - Zhihui Yi
- Centre for Biocomposites and Biomaterials Processing, Faculty of Forestry , University of Toronto , 33 Willcocks Street , Toronto , Ontario M5S 3B3 , Canada
| | - Vida Poursorkhabi
- Centre for Biocomposites and Biomaterials Processing, Faculty of Forestry , University of Toronto , 33 Willcocks Street , Toronto , Ontario M5S 3B3 , Canada
| | - Jimi Tjong
- Centre for Biocomposites and Biomaterials Processing, Faculty of Forestry , University of Toronto , 33 Willcocks Street , Toronto , Ontario M5S 3B3 , Canada
| | - Shaffiq Jaffer
- Centre for Biocomposites and Biomaterials Processing, Faculty of Forestry , University of Toronto , 33 Willcocks Street , Toronto , Ontario M5S 3B3 , Canada
| | - Zheng-Hong Lu
- Department of Material Science and Engineering , University of Toronto , 184 College Street , Toronto , Ontario M5S 3A1 , Canada
| | - Mohini Sain
- Centre for Biocomposites and Biomaterials Processing, Faculty of Forestry , University of Toronto , 33 Willcocks Street , Toronto , Ontario M5S 3B3 , Canada
- Department of Mechanical and Industrial Engineering , University of Toronto , 5 King's College Road , Toronto , Ontario M5S 3G8 , Canada
- Department of Mechanical Engineering , Beijing University of Chemical Technology (BUCT) , 100029 Beijing , P.R. China
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Meneses-Franco A, Campos-Vallette M, Vásquez SO, Soto-Bustamante EA. Er-Doped Nanostructured BaTiO₃ for NIR to Visible Upconversion. Materials (Basel) 2018; 11:ma11101950. [PMID: 30321982 PMCID: PMC6213133 DOI: 10.3390/ma11101950] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 08/11/2018] [Accepted: 08/16/2018] [Indexed: 11/18/2022]
Abstract
Photoluminescent mechanisms in erbium-doped barium titanate nanoparticle systems were studied. Er3+ ions were introduced into the BaTiO3 lattice by the sol-gel method. The resulting Er3+ concentration was between 0% and 5%, with Ba/Ti ratios of 1.008 and 0.993. The stoichiometry of Ba and Ti concentrations in the lattice influenced the doping mechanism and placement of erbium ions in the lattice structure. Our research shows the existence of a strong correlation between Ba/Ti ratios, erbium concentration, phase structure and doping site location on the upconversion photoluminescence mechanisms. Competing upconversion emissions 2H11/2/4S3/2→4I15/2 at 523 and 548 nm respectively and other photoluminescent mechanisms as 4I9/2→4I11/2 around 4000 nm (2500 cm−1) were studied using Raman and emission spectroscopy. The upconversion process is predominant over other photoluminescent decay when the material presents high distortion in the surrounding activator.
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Affiliation(s)
- Ariel Meneses-Franco
- NSC Nanosono SA, R&D Corporation, Hakidma 7, Yokneam industrial Park 2069200, Israel.
| | - Marcelo Campos-Vallette
- Department of Chemistry, Faculty of Science, University of Chile, Las Palmeras 3425, Ñuñoa, Santiago 780003, Chile.
| | - Sergio Octavio Vásquez
- Department of Materials Science, Faculty of Physical and Mathematics Sciences, University of Chile, Beauchef 850, Santiago 837048, Chile.
| | - Eduardo A Soto-Bustamante
- Department of Organic Chemistry and Physical Chemistry, Faculty of Chemical and Pharmaceutical Sciences, University of Chile, Sergio Livingstone 1007, Independencia, Santiago 8380492, Chile.
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Xu HV, Zheng XT, Zhao Y, Tan YN. Uncovering the Design Principle of Amino Acid-Derived Photoluminescent Biodots with Tailor-Made Structure-Properties and Applications for Cellular Bioimaging. ACS Appl Mater Interfaces 2018; 10:19881-19888. [PMID: 29786414 DOI: 10.1021/acsami.8b04864] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Natural amino acids possess side chains with different functional groups (R groups), which make them excellent precursors for programmable synthesis of biomolecule-derived nanodots (biodots) with desired properties. Herein, we report the first systematic study to uncover the material design rules of biodot synthesis from 20 natural α-amino acids via a green hydrothermal approach. The as-synthesized amino acid biodots (AA dots) are comprehensively characterized to establish a structure-property relationship between the amino acid precursors and the corresponding photoluminescent properties of AA dots. It was found that the amino acids with reactive R groups, including amine, hydroxyl, and carboxyl functional groups form unique C-O-C/C-OH and N-H bonds in the AA dots which stabilize the surface defects, giving rise to brightly luminescent AA dots. Furthermore, the AA dots were found to be amorphous and the length of the R group was observed to affect the final morphology (e.g., disclike nanostructure, nanowire, or nanomesh) of the AA dots, which in turn influence their photoluminescent properties. It is noteworthy to highlight that the hydroxyl-containing amino acids, that is, Ser and Thr, form the brightest AA dots with a quantum yield of 30.44% and 23.07%, respectively, and possess high photostability with negligible photobleaching upon continuous UV exposure for 3 h. Intriguingly, by selective mixing of Ser or Thr with another amino acid precursor, the resulting mixed AA dots could inherit unique properties such as improved photostability and significant red shift in their emission wavelength, producing enhanced green and red fluorescent intensity. Moreover, our cellular studies demonstrate that the as-synthesized AA dots display outstanding biocompatibility and excellent intracellular uptake, which are highly desirable for imaging applications. We envision that the material design rules discovered in this study will be broadly applicable for the rational selection of amino acid precursors in the tailored synthesis of biodots.
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Affiliation(s)
- Hesheng Victor Xu
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR) , 2 Fusionopolis Way , Singapore 138634 , Singapore
- Division of Chemical and Biological Chemistry, School of Physical and Mathematical Sciences , Nanyang Technological University , 21 Nanyang Link , Singapore 637371 , Singapore
| | - Xin Ting Zheng
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR) , 2 Fusionopolis Way , Singapore 138634 , Singapore
| | - Yanli Zhao
- Division of Chemical and Biological Chemistry, School of Physical and Mathematical Sciences , Nanyang Technological University , 21 Nanyang Link , Singapore 637371 , Singapore
- School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Yen Nee Tan
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR) , 2 Fusionopolis Way , Singapore 138634 , Singapore
- Department of Chemistry , National University of Singapore , 3 Science Drive 3 , Singapore 117543 , Singapore
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Bi J, Li Y, Wang H, Song Y, Cong S, Yu C, Zhu BW, Tan M. Presence and Formation Mechanism of Foodborne Carbonaceous Nanostructures from Roasted Pike Eel ( Muraenesox cinereus). J Agric Food Chem 2018; 66:2862-2869. [PMID: 28613868 DOI: 10.1021/acs.jafc.7b02303] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Foodborne nanostructures have gained more and more attention in recent years. In this paper, the presence and physicochemical properties of carbonaceous nanostructures (CNSs) from roasted pike eel ( Muraenesox cinereus) were reported. The monodispersed CNSs are strongly photoluminescent under the illustration of ultraviolet (UV) light, with a fluorescent quantum yield of 80.16%, and display excitation-dependent emission behavior. The formation of CNSs is believed to go through a process of morphology evolution, including polymerization, pyrolysis, nucleation, growth, emergence, and blossom. The optical properties of the CNSs were shown to be affected by the roasting temperature. Furthermore, cellular uptake of the CNSs was investigated, and it is shown that the CNSs were clearly absorbed into live cells and were mainly distributed within the cell cytoplasm and not in the cell nucleus. This work is among the very first reports on CNSs present in roasted fish, providing valuable insights into the formation mechanism of such nanostructures and showcasing the biodistribution of these food-originated CNSs in live cells.
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Affiliation(s)
- Jingran Bi
- School of Food Science and Technology , Dalian Polytechnic University , Dalian , Liaoning 116034 , People's Republic of China
- National Engineering Research Center of Seafood , Dalian , Liaoning 116034 , People's Republic of China
- School of Food and Biological Engineering , Jiangsu University , Zhenjiang , Jiangsu 212013 , People's Republic of China
- Engineering Research Center of Seafood of Ministry of Education of China , Dalian , Liaoning 116034 , People's Republic of China
| | - Yao Li
- School of Food Science and Technology , Dalian Polytechnic University , Dalian , Liaoning 116034 , People's Republic of China
- National Engineering Research Center of Seafood , Dalian , Liaoning 116034 , People's Republic of China
- Engineering Research Center of Seafood of Ministry of Education of China , Dalian , Liaoning 116034 , People's Republic of China
| | - Haitao Wang
- School of Food Science and Technology , Dalian Polytechnic University , Dalian , Liaoning 116034 , People's Republic of China
- National Engineering Research Center of Seafood , Dalian , Liaoning 116034 , People's Republic of China
- Engineering Research Center of Seafood of Ministry of Education of China , Dalian , Liaoning 116034 , People's Republic of China
| | - Yukun Song
- School of Food Science and Technology , Dalian Polytechnic University , Dalian , Liaoning 116034 , People's Republic of China
- National Engineering Research Center of Seafood , Dalian , Liaoning 116034 , People's Republic of China
- Engineering Research Center of Seafood of Ministry of Education of China , Dalian , Liaoning 116034 , People's Republic of China
| | - Shuang Cong
- School of Food Science and Technology , Dalian Polytechnic University , Dalian , Liaoning 116034 , People's Republic of China
- National Engineering Research Center of Seafood , Dalian , Liaoning 116034 , People's Republic of China
- Engineering Research Center of Seafood of Ministry of Education of China , Dalian , Liaoning 116034 , People's Republic of China
| | - Chenxu Yu
- School of Food Science and Technology , Dalian Polytechnic University , Dalian , Liaoning 116034 , People's Republic of China
- National Engineering Research Center of Seafood , Dalian , Liaoning 116034 , People's Republic of China
- Department of Agricultural and Biosystems Engineering , Iowa State University , Ames , Iowa 50011 , United States
| | - Bei-Wei Zhu
- School of Food Science and Technology , Dalian Polytechnic University , Dalian , Liaoning 116034 , People's Republic of China
- National Engineering Research Center of Seafood , Dalian , Liaoning 116034 , People's Republic of China
- School of Food and Biological Engineering , Jiangsu University , Zhenjiang , Jiangsu 212013 , People's Republic of China
- Engineering Research Center of Seafood of Ministry of Education of China , Dalian , Liaoning 116034 , People's Republic of China
| | - Mingqian Tan
- School of Food Science and Technology , Dalian Polytechnic University , Dalian , Liaoning 116034 , People's Republic of China
- National Engineering Research Center of Seafood , Dalian , Liaoning 116034 , People's Republic of China
- Engineering Research Center of Seafood of Ministry of Education of China , Dalian , Liaoning 116034 , People's Republic of China
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22
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Xue Q, Zhang H, Zhu M, Pei Z, Li H, Wang Z, Huang Y, Huang Y, Deng Q, Zhou J, Du S, Huang Q, Zhi C. Photoluminescent Ti 3 C 2 MXene Quantum Dots for Multicolor Cellular Imaging. Adv Mater 2017; 29:1604847. [PMID: 28185336 DOI: 10.1002/adma.201604847] [Citation(s) in RCA: 295] [Impact Index Per Article: 42.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Revised: 11/10/2016] [Indexed: 05/19/2023]
Abstract
The fabrication of photoluminescent Ti3 C2 MXene quantum dots (MQDs) by a facile hydrothermal method is reported, which may greatly extend the applications of MXene-based materials. Interestingly, the as-prepared MQDs show excitation-dependent photoluminescence spectra with quantum yields of up to ≈10% due to strong quantum confinement. The applications of MQDs as biocompatible multicolor cellular imaging probes and zinc ion sensors are demonstrated.
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Affiliation(s)
- Qi Xue
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China
| | - Huijie Zhang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Minshen Zhu
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China
| | - Zengxia Pei
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China
| | - Hongfei Li
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China
| | - Zifeng Wang
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China
| | - Yang Huang
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China
| | - Yan Huang
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China
| | - Qihuang Deng
- Engineering Laboratory of Specialty Fibers and Nuclear Energy Materials, Ningbo Institute of Materials Engineering and Technology, Chinese Academy of Science, Ningbo, Zhejiang, 315201, China
| | - Jie Zhou
- Engineering Laboratory of Specialty Fibers and Nuclear Energy Materials, Ningbo Institute of Materials Engineering and Technology, Chinese Academy of Science, Ningbo, Zhejiang, 315201, China
| | - Shiyu Du
- Engineering Laboratory of Specialty Fibers and Nuclear Energy Materials, Ningbo Institute of Materials Engineering and Technology, Chinese Academy of Science, Ningbo, Zhejiang, 315201, China
| | - Qing Huang
- Engineering Laboratory of Specialty Fibers and Nuclear Energy Materials, Ningbo Institute of Materials Engineering and Technology, Chinese Academy of Science, Ningbo, Zhejiang, 315201, China
| | - Chunyi Zhi
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, China
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Wang M, Li X, Hua W, Shen L, Yu X, Wang X. Electrospun Poly(acrylic acid)/Silica Hydrogel Nanofibers Scaffold for Highly Efficient Adsorption of Lanthanide Ions and Its Photoluminescence Performance. ACS Appl Mater Interfaces 2016; 8:23995-24007. [PMID: 27537710 DOI: 10.1021/acsami.6b08294] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Combined with the features of electrospun nanofibers and the nature of hydrogel, a novel choreographed poly(acrylic acid)-silica hydrogel nanofibers (PAA-S HNFs) scaffold with excellent rare earth elements (REEs) recovery performance was fabricated by a facile route consisting of colloid-electrospinning of PAA/SiO2 precursor solution, moderate thermal cross-linking of PAA-S nanofiber matrix, and full swelling in water. The resultant PAA-S HNFs with a loose and spongy porous network structure exhibited a remarkable adsorption capacity of lanthanide ions (Ln(3+)) triggered by the penetration of Ln(3+) from the nanofiber surface to interior through the abundant water channels, which took full advantage of the internal adsorption sites of nanofibers. The effects of initial solution pH, concentration, and contact time on adsorption of Ln(3+) have been investigated comprehensively. The maximum equilibrium adsorption capacities for La(3+), Eu(3+), and Tb(3+) were 232.6, 268.8, and 250.0 mg/g, respectively, at pH 6, and the adsorption data were well-fitted to the Langmuir isotherm and pseudo-second-order models. The resultant PAA-S HNFs scaffolds could be regenerated successfully. Furthermore, the proposed adsorption mechanism of Ln(3+) on PAA-S HNFs scaffolds was the formation of bidentate carboxylates between carboxyl groups and Ln(3+) confirmed by FT-IR and XPS analysis. The well-designed PAA-S HNFs scaffold can be used as a promising alternative for effective REEs recovery. Moreover, benefiting from the unique features of Ln(3+), the Ln-PAA-S HNFs simultaneously exhibited versatile advantages including good photoluminescent performance, tunable emission color, and excellent flexibility and processability, which also hold great potential for applications in luminescent patterning, underwater fluorescent devices, sensors, and biomaterials, among others.
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Affiliation(s)
- Min Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University , Shanghai 201620, PR China
| | - Xiong Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University , Shanghai 201620, PR China
| | - Weikang Hua
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University , Shanghai 201620, PR China
| | - Lingdi Shen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University , Shanghai 201620, PR China
| | - Xufeng Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University , Shanghai 201620, PR China
| | - Xuefen Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University , Shanghai 201620, PR China
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Ye R, Peng Z, Metzger A, Lin J, Mann JA, Huang K, Xiang C, Fan X, Samuel ELG, Alemany LB, Martí AA, Tour JM. Bandgap engineering of coal-derived graphene quantum dots. ACS Appl Mater Interfaces 2015; 7:7041-7048. [PMID: 25757413 DOI: 10.1021/acsami.5b01419] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Bandgaps of photoluminescent graphene quantum dots (GQDs) synthesized from anthracite have been engineered by controlling the size of GQDs in two ways: either chemical oxidative treatment and separation by cross-flow ultrafiltration, or by a facile one-step chemical synthesis using successively higher temperatures to render smaller GQDs. Using these methods, GQDs were synthesized with tailored sizes and bandgaps. The GQDs emit light from blue-green (2.9 eV) to orange-red (2.05 eV), depending on size, functionalities and defects. These findings provide a deeper insight into the nature of coal-derived GQDs and demonstrate a scalable method for production of GQDs with the desired bandgaps.
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Affiliation(s)
| | | | | | | | | | | | | | - Xiujun Fan
- ||College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
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25
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Abstract
A very efficient protocol for synthesizing highly fluorescent, protein-templated silver nanoclusters (Ag/NCs) has been discussed. Two types of Ag/NCs (Ag9/HSA and Ag14/HSA), although showing significant differences in their photophysical properties, can be interconverted at will, which makes this study unique. The Ag/HSA NCs have been quantified by several spectroscopic techniques, and they find tremendous applications as photoluminescent markers. Besides their rather easy synthetic methodology, our Ag/HSA NCs show two-photon excitation properties that enable them to be used in bioimaging.
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Affiliation(s)
- Uttam Anand
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, ITI Campus (Gas Rahat) Building, Govindpura, Bhopal 462 023, Madhya Pradesh, India
| | - Subhadip Ghosh
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, ITI Campus (Gas Rahat) Building, Govindpura, Bhopal 462 023, Madhya Pradesh, India
| | - Saptarshi Mukherjee
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, ITI Campus (Gas Rahat) Building, Govindpura, Bhopal 462 023, Madhya Pradesh, India
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