journal article·2024-08-08

Deep Blue CsPbBr3 Quantum Wires with Tailored Shapes

Dong-Ming Zhang, Ke-Lei Zu, Mu-Bing Yu, Nan Chen, Jun-Tao Hu, Qi-Long Dong, Chang-Sheng Shi, Deng-Ke Wang, Huai-Yi Ding, Mei Leng, Yong-Biao Zhao, Zheng-Hong Lu

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Abstract

Low-dimension metal halide perovskites are attractive for bandgap tunable optoelectronic materials. Among them, 1-D CsPbBr 3 quantum wires (QWs) are emerging as promising deep-blue luminescent material. However, the growth dynamics of 1-D perovskite QWs are intricate, making the study and control of 1-D QWs highly challenging. In this study, a strategy for controlling both the length and width of the CsPbBr 3 QWs was realized. The temperature-dependent isotropic growth mechanism was revealed and employed as the main tool for the oriented growth of 1-D CsPbBr 3 QWs for various aspect ratios. Our results pave the way for the controlled synthesis of ultrasmall perovskite nanocrystals.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties

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

Affiliations

Department of Physics, School of Physics and Astronomy, Yunnan University, Kunming 650500, China

Key Laboratory of Yunnan Provincial Higher Education Institutions for Optoelectronics Device Engineering, School of Physics and Astronomy, Yunnan University, Kunming 650500, China

National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150080, China

Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou 450046, China

Department of Physics, Mathematics and Computer Science, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China

Department of Materials Science and Engineering, University of Toronto, Toronto, Ontario M5S 3E4, Canada

Funding

Yunnan University · National Natural Science Foundation of China · Funds for leading local scientific-technological development by the central government · Key Laboratory of Yunnan Provincial Higher Education Institutions for Optoelectronics Device Engineering

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