Light soak study of perovskite-based materials via scanning imaging spectroscopy

Weijian Chen; Yến Vũ; Chunhua Zhou; Baohua Jia; Xiaoming Wen

doi:10.1117/12.2539988

31 December 2019 Light soak study of perovskite-based materials via scanning imaging spectroscopy

Weijian Chen, Yến Vũ, Chunhua Zhou, Baohua Jia, Xiaoming Wen

Author Affiliations +

Proceedings Volume 11201, SPIE Micro + Nano Materials, Devices, and Applications 2019; 112010S (2019) https://doi.org/10.1117/12.2539988
Event: ANZCOP, 2019, Melbourne, Australia

Abstract

Organic-inorganic halide perovskite has emerged as promising candidate materials for next-generation energy harvesting and light-emitting applications with the advantages of low processing cost, high defects tolerance, and excellent power conversion efficiency. The instability of these perovskite-based materials under illumination, however, remains a major technical barrier for commercialization. Various techniques have been applied to improve the photo-stability of perovskites. Since the dynamic of photo-generated charged carriers and photo-activated mobile ions affect the stable performance of these applications, a comprehensive understanding of how illumination affect perovskites are of vital importance to improve the performance of perovskite-based optoelectronic applications. In this report, the recent progress of the light soak study on three kinds of perovskites is presented, using depth-resolved, temporal-resolved, and detection-wavelength selective spectroscopic imaging techniques. These works clarify different dominate roles in different perovskite structures and demonstrate the advantages of the imaging spectroscopy in studying the carrier dynamics of perovskite-based materials under light soaking, which is of crucial importance for their applications.

Citation Download Citation

Weijian Chen, Yến Vũ, Chunhua Zhou, Baohua Jia, and Xiaoming Wen "Light soak study of perovskite-based materials via scanning imaging spectroscopy", Proc. SPIE 11201, SPIE Micro + Nano Materials, Devices, and Applications 2019, 112010S (31 December 2019); https://doi.org/10.1117/12.2539988

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