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Nonlinear Absorption and Low-threshold Two-photon Pumped Amplified Stimulated Emission from FAPbBr3 Nanocrystals
Synthesis and Properties of Materials | 更新时间:2024-09-25
    • Nonlinear Absorption and Low-threshold Two-photon Pumped Amplified Stimulated Emission from FAPbBr3 Nanocrystals

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    • Reporting on the latest advancements in optoelectronics, researchers have synthesized formamidinium lead bromide (FAPbBr3) nanocrystals (NCs) with varying sizes using ligand-assisted precipitation (LARP) technology at room temperature. These NCs exhibit pure green emission, excellent stability, and superior carrier transport characteristics. Through photoluminescence (PL) and time-resolved photoluminescence (TRPL) spectroscopy, they characterized the amplified spontaneous emission (ASE) properties. Nonlinear optical properties were studied using the Z-scan technique and two-photon excited fluorescence method. The FAPbBr3 NCs demonstrated one- and two-photon pumped ASE with low thresholds, showcasing potential as a green-emitting frequency-upconversion material for high-performance two-photon pump lasers.
    • Chinese Journal of Luminescence   Vol. 45, Issue 8, Pages: 1281-1291(2024)
    • DOI:10.37188/CJL.20240110    

      CLC: O482.31
    • Published:25 August 2024

      Received:22 April 2024

      Revised:07 May 2024

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  • WANG YAJUAN, TAY YONG KANG EUGENE, WANG FANG, et al. Nonlinear Absorption and Low-threshold Two-photon Pumped Amplified Stimulated Emission from FAPbBr3 Nanocrystals. [J]. Chinese journal of luminescence, 2024, 45(8): 1281-1291. DOI: 10.37188/CJL.20240110.

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WANG Ya-juan
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Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link
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