Photodegradation of Organometal Hybrid Perovskite Nanocrystals: Clarifying the Role of Oxygen by Single-Dot Photoluminescence
Тип публикации: Journal Article
Дата публикации: 2019-02-07
scimago Q1
wos Q1
БС1
SJR: 1.394
CiteScore: 8.7
Impact factor: 4.6
ISSN: 19487185
PubMed ID:
30730749
Physical and Theoretical Chemistry
General Materials Science
Краткое описание
Photostability has been a major issue for perovskite materials. Understanding the photodegradation mechanism and suppressing it are of central importance for applications. By investigating single-dot photoluminescence spectra and the lifetime of MAPbX3 (MA = CH3NH3+, X = Br, I) nanocrystals with quantum confinement under different conditions, we identified two separate pathways in the photodegradation process. The first is the oxygen-assisted light-induced etching process (photochemistry). The second is the light-driven slow charge-trapping process (photophysics), taking place even in oxygen-free environment. We clarified the role of oxygen in the photodegradation process and show how the photoinduced etching can be successfully suppressed by OSTE polymer, preventing an oxygen-assisted reaction.
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ГОСТ
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Liu L. et al. Photodegradation of Organometal Hybrid Perovskite Nanocrystals: Clarifying the Role of Oxygen by Single-Dot Photoluminescence // Journal of Physical Chemistry Letters. 2019. Vol. 10. No. 4. pp. 864-869.
ГОСТ со всеми авторами (до 50)
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Liu L., Deng L., Huang S., Zhang P., Linnros J., Zhong H., Sychugov I. Photodegradation of Organometal Hybrid Perovskite Nanocrystals: Clarifying the Role of Oxygen by Single-Dot Photoluminescence // Journal of Physical Chemistry Letters. 2019. Vol. 10. No. 4. pp. 864-869.
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TY - JOUR
DO - 10.1021/acs.jpclett.9b00143
UR - https://doi.org/10.1021/acs.jpclett.9b00143
TI - Photodegradation of Organometal Hybrid Perovskite Nanocrystals: Clarifying the Role of Oxygen by Single-Dot Photoluminescence
T2 - Journal of Physical Chemistry Letters
AU - Liu, Lige
AU - Deng, Luogen
AU - Huang, Sheng
AU - Zhang, Pei
AU - Linnros, Jan
AU - Zhong, Haizheng
AU - Sychugov, Ilya
PY - 2019
DA - 2019/02/07
PB - American Chemical Society (ACS)
SP - 864-869
IS - 4
VL - 10
PMID - 30730749
SN - 1948-7185
ER -
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@article{2019_Liu,
author = {Lige Liu and Luogen Deng and Sheng Huang and Pei Zhang and Jan Linnros and Haizheng Zhong and Ilya Sychugov},
title = {Photodegradation of Organometal Hybrid Perovskite Nanocrystals: Clarifying the Role of Oxygen by Single-Dot Photoluminescence},
journal = {Journal of Physical Chemistry Letters},
year = {2019},
volume = {10},
publisher = {American Chemical Society (ACS)},
month = {feb},
url = {https://doi.org/10.1021/acs.jpclett.9b00143},
number = {4},
pages = {864--869},
doi = {10.1021/acs.jpclett.9b00143}
}
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Liu, Lige, et al. “Photodegradation of Organometal Hybrid Perovskite Nanocrystals: Clarifying the Role of Oxygen by Single-Dot Photoluminescence.” Journal of Physical Chemistry Letters, vol. 10, no. 4, Feb. 2019, pp. 864-869. https://doi.org/10.1021/acs.jpclett.9b00143.