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Royal Society of Chemistry, Journal of Materials Chemistry A: materials for energy and sustainability, 8(11), p. 4292-4301, 2023

DOI: 10.1039/d2ta06697a

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Indirect-to-direct bandgap transition in layered metal halide perovskite – CsPb<sub>2</sub>Br<sub>5</sub>

Journal article published in 2023 by Xiao Wu ORCID, Xiangyu Zhang ORCID, Wei Yu ORCID, Yongxiang Zhou ORCID, Walter Wong ORCID, Weixin He, Kian Ping Loh ORCID, Xiao-Fang Jiang ORCID, Qing-Hua Xu ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Non-emissive CsPb2Br5 was found to convert into a highly efficient green emitter via simple thermal or photothermal annealing, which is ascribed to the thermally induced indirect-to-direct bandgap transition associated with defect formation.