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The Electron-Hole Plasma Contributes to Both Plasmonic and Photonic Lasing from CH3NH3PbBr3 Nanowires at Room Temperature

2021-05-06

 

Author(s): Wang, J (Wang, Jian); Jia, XH (Jia, Xiaohao); Guan, YL (Guan, Yalu); Ren, KK (Ren, Kuankuan); Yu, HC (Yu, Haichao); Wang, ZJ (Wang, Zhijie); Qu, SC (Qu, Shengchun); Yang, QX (Yang, Qingxin); Lin, J (Lin, Jie); Wang, ZG (Wang, Zhanguo); Jin, P (Jin, Peng)

Source: LASER & PHOTONICS REVIEWS Article Number: 2000512 DOI: 10.1002/lpor.202000512 Early Access Date: APR 2021

Abstract: Lead halide perovskites have gained tremendous attentions in many fields, especially in nanolasers, owing to the excellent optoelectronic properties. However, the underlying lasing mechanism is not clear in both plasmonic and photonic nanolasers at room temperature. Here, the plasmonic lasers and the photonic counterparts based on organic-inorganic hybrid lead tri-bromine perovskite nanowires are achieved at room temperature and are compared in terms of lasing evolution, lasing wavelengths, and lasing dynamics. The same spectra evolution and the same emission wavelength indicate that the plasmonic and the photonic CH3NH3PbBr3 nanowire lasers have the same gain origination. The calculated Mott density lower than the threshold density and lasing photon energy lower than exciton energy prove that an electron-hole plasma contributes to both the two types of lasing actions from perovskite nanowires at room temperature. The work deepens the understanding of underlying mechanism of perovskite nanowire lasers.

Accession Number: WOS:000640114300001

ISSN: 1863-8880

eISSN: 1863-8899

Full Text: https://onlinelibrary.wiley.com/doi/10.1002/lpor.202000512



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