journal article·2022-12-21

Octahedral Distortion Co-Regulation via Dual Strategies toward Luminescence Enhancement for the MA4InBr7 Perovskite Single Crystal

Yaxuan Yuan, Songyang Yuan, Hui Xiong, Yangyi Zhang, Yunkai Bao, Wenzhe Li, Jiandong Fan

ACS Applied Materials & Interfaces· Volume 14· Issue 50
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Abstract

A series of novel perovskite single crystals are innovatively grown. Aiming to enhance the luminescence performance, octahedral distortion co-regulation via dual strategies for the as-prepared perovskite single crystals is performed. The distortion of the octahedral structure strengthens the electron–phonon coupling and electron localization, resulting in a more stable self-trapped state, which thereby increases the potential for radiative recombination, accompanied by the self-trapped exciton emission. Accordingly, the luminescence spectra of the as-prepared MA4In0.975Sb0.025Br7 single crystal can cover the 450–800 nm range, and the photoluminescence quantum yield is up to 81.25%.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Solid-state spectroscopy and crystallography · Luminescence Properties of Advanced Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of New Energy Technology, Department of Electronic Engineering, College of Information Science and Technology, Jinan University, Guangzhou510632, China

Key Laboratory of New Semiconductors and Devices of Guangdong Higher Education Institutes, Jinan University, Guangzhou510631, China

State Key Laboratory of Crystal Materials, Shandong University, Jinan250100, China

Funding

Guangdong Science and Technology Department · Central University Basic Research Fund of China · State Key Laboratory of Crystal Materials · Guangzhou Science and Technology Program key projects · National Natural Science Foundation of China · Natural Science Foundation of Guangdong Province · Guangdong Province · Hebei Province

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