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Proceedings Paper

Development of a novel mixed sulfide-iodide lead-free bismuth perovskite
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Paper Abstract

In recent years, lead-based perovskites have become the most promising photovoltaic material showing excellent photovoltaic performances. However, the lead-based perovskite encounters instability and toxicity issues caused by the generation of Pb2+, which is highly not beneficial to environment. In this study, we firstly reported the synthesis and characterization of a novel lead-free mixed chalcogen-halogen perovskite material, MABiI2S (MBIS), and determined its physical and optical properties by various testing methods. The MBIS possesses a low bandgap of 1.52 eV and exhibits good absorptions across the visible light spectrum. It is also worth noting that the MBIS displayed absorption up to over 1000 nm.

Paper Details

Date Published: 11 September 2018
PDF: 9 pages
Proc. SPIE 10724, Physical Chemistry of Semiconductor Materials and Interfaces XVII, 107240A (11 September 2018); doi: 10.1117/12.2502721
Show Author Affiliations
Chu Zhang, Kyushu Institute of Technology (Japan)
Siohwa Teo, Kyushu Institute of Technology (Japan)
Liguo Gao, Dalian Univ. of Technology (China)
Yusuke Kamata, Kyushu Institute of Technology (Japan)
Tingli MA, Kyushu Institute of Technology (Japan)

Published in SPIE Proceedings Vol. 10724:
Physical Chemistry of Semiconductor Materials and Interfaces XVII
Hugo A. Bronstein; Felix Deschler, Editor(s)

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