Multi‐Stage Phase‐Segregation of Mixed Halide Perovskites under Illumination: A Quantitative Comparison of Experimental Observations and Thermodynamic Models

Photo‐ and charge‐carrier‐induced ion migration is a major challenge when utilizing metal halide perovskite semiconductors for optoelectronic applications. For mixed iodide/bromide perovskites, the compositional instability due to light‐ or electrical bias induced phase‐segregation restricts the exp...

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Bibliographic Details
Published in:	Advanced functional materials Vol. 33; no. 3
Main Authors:	Suchan, Klara, Just, Justus, Beblo, Pascal, Rehermann, Carolin, Merdasa, Aboma, Mainz, Roland, Scheblykin, Ivan G., Unger, Eva
Format:	Journal Article
Language:	English
Published:	Hoboken Wiley Subscription Services, Inc 16-01-2023
Subjects:	Chemical Sciences Condensed Matter Physics Current carriers Den kondenserade materiens fysik Fysik Illumination in-situ XRD Interstitials in‐situ X‐ray diffraction Ion migration Kemi light-induced phase-segregations Materialkemi Materials Chemistry Materials science Metal halides metal-halide perovskites multimodal experiments Natural Sciences Naturvetenskap Optoelectronics Perovskites Photoluminescence Physical Sciences Thermodynamic models Thermodynamics X-ray diffraction
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