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Open AccessArticle

Photostability of 2D Organic-Inorganic Hybrid Perovskites

Laboratoire Aimé Cotton, Ecole Normale Supérieure de Cachan, CNRS, Université Paris Sud, Bâtiment 505, 91404 Orsay, France
School of Physics & Optoelectronic Engineering, Dalian University of Technology, Dalian 116024, China
Laboratoire de Photophysique et Photochimie Supramoléculaires et Macromoléculaires de l'Ecole Normale Supérieure de Cachan, 61 avenue du Président Wilson, 94 235 Cachan, France
Author to whom correspondence should be addressed.
Materials 2014, 7(6), 4789-4802;
Received: 11 May 2014 / Revised: 12 June 2014 / Accepted: 13 June 2014 / Published: 20 June 2014
(This article belongs to the Special Issue Opto-Electronic Materials)
We analyze the behavior of a series of newly synthesized (R-NH3)2PbX4 perovskites and, in particular, discuss the possible reasons which cause their degradation under UV illumination. Experimental results show that the degradation process depends a lot on their molecular components: not only the inorganic part, but also the chemical structure of the organic moieties play an important role in bleaching and photo-chemical reaction processes which tend to destroy perovskites luminescent framework. In addition, we find the spatial arrangement in crystal also influences the photostability course. Following these trends, we propose a plausible mechanism for the photodegradation of the films, and also introduced options for optimized stability. View Full-Text
Keywords: organic-inorganic hybrid perovskites; photostability organic-inorganic hybrid perovskites; photostability
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MDPI and ACS Style

Wei, Y.; Audebert, P.; Galmiche, L.; Lauret, J.-S.; Deleporte, E. Photostability of 2D Organic-Inorganic Hybrid Perovskites. Materials 2014, 7, 4789-4802.

AMA Style

Wei Y, Audebert P, Galmiche L, Lauret J-S, Deleporte E. Photostability of 2D Organic-Inorganic Hybrid Perovskites. Materials. 2014; 7(6):4789-4802.

Chicago/Turabian Style

Wei, Yi; Audebert, Pierre; Galmiche, Laurent; Lauret, Jean-Sébastien; Deleporte, Emmanuelle. 2014. "Photostability of 2D Organic-Inorganic Hybrid Perovskites" Materials 7, no. 6: 4789-4802.

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