Journal article
Flexible, photoluminescent 0D Cs 4 PbX 6 (X = Br, Br/I)-PMMA composite films for white LED via water-induced recrystallization
Journal of materials research, v 39(10), p1513
2024
PMID: 38882212
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
3D CsPbX
inorganic perovskite materials have attracted much attention in optoelectronic devices because of their strong absorbance, high photoluminescent quantum yield, tunable band gap, and narrow emission bandwidth. However, their practical usefulness is limited due to their poor stability in ambient conditions. Here, we created photoluminescent 0D Cs
PbX
(X = Br, Br/I) suspensions in toluene by adding a small amount of water. The photoluminescent 0D Cs
PbX
perovskite was mixed with polymethylmethacrylate (PMMA) forming 0D Cs
PbX
/PMMA composite films with higher PL, stability, transparency, and transmittance than that of the 3D CsPbX
/PMMA composite films prepared separately. Moreover, the PL intensity maintains 90% of the initial value after 30 days in water, showing excellent water stability. The flexible white-light LED device prepared by the composite films illustrated good luminescence performance with color rendering index 74.77, chromaticity coordinates (0.32, 0.33), and color temperature 6997 K.
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Details
- Title
- Flexible, photoluminescent 0D Cs 4 PbX 6 (X = Br, Br/I)-PMMA composite films for white LED via water-induced recrystallization
- Creators
- Yuang Ji - Shanghai Key Laboratory of Engineering Materials Application and Evaluation, Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209 ChinaShihai Wang - Shanghai Key Laboratory of Engineering Materials Application and Evaluation, Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209 ChinaHaohan Yang - Shanghai Key Laboratory of Engineering Materials Application and Evaluation, Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209 ChinaDonghai Lin - Shanghai Key Laboratory of Engineering Materials Application and Evaluation, Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209 ChinaWan Y Shih - Drexel UniversityWei-Heng Shih - Department of Materials Science and Engineering, Drexel University, Philadelphia, USA
- Publication Details
- Journal of materials research, v 39(10), p1513
- Publisher
- SPRINGER HEIDELBERG; HEIDELBERG
- Number of pages
- 12
- Grant note
- National Institutes of Health: 1R43AI152716-01 Program for Professor of Special Appointment (Eastern Scholar) at SIHL: 22DZ2291100 Shanghai Municipal Science and Technology Commission: 2019J06027 Science Fund for Distinguished Young Scholars of Fujian Province: NCMEH2022Y02
Wei-Heng Shih thanks the support of NIH Grant R03EB030215 and the Overseas Famous Scholar program of Shanghai City Government. Wan Y. Shih thanks the support of NIH Grant 1R43AI152716-01. Donghai Lin thanks the support by the Program for Professor of Special Appointment (Eastern Scholar) at SIHL, Project of Shanghai Municipal Science and Technology Commission (22DZ2291100), Science Fund for Distinguished Young Scholars of Fujian Province (2019J06027), Open Fund of Anhui International Joint Research Center for Nano Carbon-based Materials and Environmental Health (NCMEH2022Y02), Gaoyuan Discipline of Shanghai-Materials Science and Engineering, and Shanghai Polytechnic University-Drexel University Joint Research Center for Optoelectronics and Sensing.
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- School of Biomedical Engineering, Science, and Health Systems; Materials Science and Engineering
- Web of Science ID
- WOS:001226819900001
- Other Identifier
- 991021906082404721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Multidisciplinary