期刊
OPTICS EXPRESS
卷 31, 期 24, 页码 39638-39646出版社
Optica Publishing Group
DOI: 10.1364/OE.502329
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This study fabricated periodic rectangular arrays on quartz substrates using the femtosecond laser ablation technique, and grew inorganic cesium lead bromide thin films on them using the spin coating method. The enhanced photoluminescence emission and increased light absorption due to the engineered structures were investigated, and high-performance amplified spontaneous emission was achieved. This work is important for the development of optoelectrical devices such as light-emitting diodes, photodetectors, solar cells, and lasers.
In this work, periodic rectangular arrays were fabricated on quartz substrates using the femtosecond laser ablation technique, on which inorganic cesium lead bromide thin films were grown using the spin coating method. Enhanced photoluminescence emission was investigated using a homebuilt confocal microscope, and increased light absorption due to the engineered structures was also measured. High-performance amplified spontaneous emission with typical narrow lasing emission peaks excited using a nanosecond laser centered at 266 nm was obtained. This work provides a method to modify the performance of optoelectrical devices, which helps develop light-emitting diodes, photodetectors, solar cells, and lasers. (c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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