Revealing the Self‐Degradation Mechanisms in Methylammonium Lead Iodide Perovskites in Dark and Vacuum

Organic‐inorganic lead halide perovskite phases segregate (and their structures degrade) under illumination, exhibiting a poor stability with hysteresis and producing halide accumulation at the surface.In this work, we observed structural and interfacial dissociation in methylammonium lead iodide (C...

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Veröffentlicht in:	Chemphyschem 2018-06, Vol.19 (12), p.1507-1513
Hauptverfasser:	Gunasekaran, Rajendra Kumar, Chinnadurai, Deviprasath, Selvaraj, Aravindha Raja, Rajendiran, Rajmohan, Senthil, Karuppanan, Prabakar, Kandasamy
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption spectra Concentration gradient Degradation Gold halide diffusion ionic traps Lead compounds Light Perovskites phase segregation self-degradation Stability analysis Surface chemistry
Online-Zugang:	Volltext
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