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Photostability of 2D Organic-Inorganic Hybrid Perovskites.


ABSTRACT: 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.

SUBMITTER: Wei Y 

PROVIDER: S-EPMC5455925 | biostudies-other | 2014 Jun

REPOSITORIES: biostudies-other

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