Improved Long-Term Reliability of a Silica-Encapsulated Perovskite Quantum-Dot Light-Emitting Device with an Optically Pumped Remote Film Package

In this study, inorganic perovskite (CsPbBr3) quantum dots are wrapped in SiO2 to provide better performance against external erosion. Long-term storage (250 days) is demonstrated with very little changes in the illumination capability of these quantum dots. While in the continuous aging procedure,...

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Published inACS omega Vol. 6; no. 4; pp. 2836 - 2845
Main Authors Hsu, Shun-Chieh, Huang, Yu-Ming, Huang, Chung-Ping, Lee, Ting-Yu, Cho, Yu-Yun, Liu, Yin-Hsin, Manikandan, Arumugam, Chueh, Yu-Lun, Chen, Teng-Ming, Kuo, Hao-Chung, Lin, Chien-Chung
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 02.02.2021
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Summary:In this study, inorganic perovskite (CsPbBr3) quantum dots are wrapped in SiO2 to provide better performance against external erosion. Long-term storage (250 days) is demonstrated with very little changes in the illumination capability of these quantum dots. While in the continuous aging procedure, different package architectures can achieve very different lifetimes. As long as 6000 h of lifetime can be expected from these quantum dots, but the blue shift of emission wavelength still needs more investigation.
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ISSN:2470-1343
2470-1343
DOI:10.1021/acsomega.0c05139