Hybrid Perovskite Thin‐Film Photovoltaics: In Situ Diagnostics and Importance of the Precursor Solvate Phases

Solution‐processed hybrid perovskite semiconductors attract a great deal of attention, but little is known about their formation process. The one‐step spin‐coating process of perovskites is investigated in situ, revealing that thin‐film formation is mediated by solid‐state precursor solvates and the...

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Published inAdvanced materials (Weinheim) Vol. 29; no. 2; pp. np - n/a
Main Authors Munir, Rahim, Sheikh, Arif D., Abdelsamie, Maged, Hu, Hanlin, Yu, Liyang, Zhao, Kui, Kim, Taesoo, Tall, Omar El, Li, Ruipeng, Smilgies, Detlef‐M., Amassian, Aram
Format Journal Article
LanguageEnglish
Published Germany Wiley Subscription Services, Inc 01.01.2017
Subjects
Formations
hybrid organic–inorganic perovskite solar cells
in situ diagnostics
Perovskites
Phases
Photovoltaic cells
Precursors
Reproducibility
Semiconductors
Solar cells
solution processing
solvates
Thin films
in situ diagnostics
solution processing
hybrid organic-inorganic perovskite solar cells
solvates
precursors
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Summary:Solution‐processed hybrid perovskite semiconductors attract a great deal of attention, but little is known about their formation process. The one‐step spin‐coating process of perovskites is investigated in situ, revealing that thin‐film formation is mediated by solid‐state precursor solvates and their nature. The stability of these intermediate phases directly impacts the quality and reproducibility of thermally converted perovskite films and their photovoltaic performance.
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ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201604113