In-situ TEM laser engineering on low dimensional halide perovskite nanocubes

Jiayi Li; Yifeng Ren; Yu Deng

doi:10.1117/12.2667072

21 March 2023 In-situ TEM laser engineering on low dimensional halide perovskite nanocubes

Jiayi Li, Yifeng Ren, Yu Deng

Proceedings Volume 12595, Advanced Fiber Laser Conference (AFL2022); 125950O (2023) https://doi.org/10.1117/12.2667072
Event: Advanced Fiber Laser Conference (AFL2022), 2022, Changsha, China

Abstract

Controlling the morphology and phase structure of low dimensional halide perovskite under photon injection is a challenging task. By using in-situ laser TEM technique, we recorded the changing process of CsPbBr3 nanocubes under laser irradiation. We found that by changing the laser fluence and irradiation time, low dimensional halide perovskite will undergo different evolution process, such as nanoparticle size variation, morphology rounding and crystal rotation. We have established a convenient laser engineering way for precise control of low-dimensional halide perovskite nanocrystals.

Citation Download Citation

Jiayi Li, Yifeng Ren, and Yu Deng "In-situ TEM laser engineering on low dimensional halide perovskite nanocubes", Proc. SPIE 12595, Advanced Fiber Laser Conference (AFL2022), 125950O (21 March 2023); https://doi.org/10.1117/12.2667072

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