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In situ and real-time ToF-SIMS analysis of light-induced chemical changes in perovskite CHNHPbI. | LitMetric
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In situ and real-time ToF-SIMS analysis of light-induced chemical changes in perovskite CHNHPbI.

Duo Xu Xin Hua Shao-Chuang Liu Hong-Wei Qiao Hua-Gui Yang Yi-Tao Long He Tian

Chem Commun (Camb)

Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P. R. China.

Published: May 2018

A hybrid light/ToF-SIMS system was used to analyze the dynamic chemical changes of perovskite CH3NH3PbI3 films under light illumination, in order to reveal the mechanism of light instability for perovskite materials. Real-time material degradation and quasi-reversible iodine migration were successfully observed.

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 Source
http://dx.doi.org/10.1039/c8cc01606bDOI Listing

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