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Accueil > Recherche > Publications / brevets > Publications équipe ENSEMBLE > Publications Thème Nanocomposite

Photostability of 2D Organic-Inorganic Hybrid Perovskites

Wei, Y; Audebert, P; Galmiche, L; Lauret, JS; Deleporte, E MATERIALS 2014, 7, 4789-4802.

Références :

MATERIALS 2014, 7, 4789-4802.

Auteur(s) : 

Wei, Y; Audebert, P; Galmiche, L; Lauret, JS; Deleporte, E

We analyze the behavior of a series of newly synthesized (R-NH3)(2)PbX4 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.

Type :
Publication
Dates :
Paru le 20 juin 2014
Informations complémentaires :

DOI: 10.3390/ma7064789


 

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