Random lasing in cesium lead iodide (CsPbI3) thin films with no surface passivation

Zong Yu Wu, Bo Lun Jian, Chun Sheng Wu, Hsu Cheng Hsu

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

We report the CsPbI3 random lasing at room temperature fabricated by a chemical deposition method. The CsPbI3 thin films with high crystalline quality have intense PL emission and easily achieve the lasing behavior with the Q-factor value over 7000. The lasing behavior of CsPbI3 thin films can be classified as random lasing by measuring lasing spectra at different collective angles. The fast Fourier transform analysis of the lasing spectra is employed to determine the effective cavity length. Most important of all, the lasing stability investigation shows the prolonged lasing stability over 4.8 X 105 laser shots in air.

原文English
頁(從 - 到)21805-21813
頁數9
期刊Optics Express
28
發行號15
DOIs
出版狀態Published - 2020 七月 20

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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