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题名: Plasmonic Carbon-Dot-Decorated Nanostructured Semiconductors for Efficient and Tunable Random Laser Action
作者: Wei-Cheng Liao
Yu-Ming Liao
Chuan-Tsung Su
Packiyaraj Perumal
Shih-Yao Lin
Wei-Ju Lin
Cheng-Han Chang
Hung-I Lin
Golam Haider
Chiao-Yun Chang
Shu-Wei Chang
Cheng-Yen Tsai
Tien-Chang Lu
Tai-Yuan Lin
Yang-Fang Chen
贡献者: 國立臺灣海洋大學:光電與材料科技學系
关键词: carbon nanodots
controllability
gallium nitride nanorods
nanostructure;random lasers
surface plasmon resonance
日期: 2018-01
上传时间: 2018-08-15T05:52:02Z
出版者: ACS Appl. Nano Mater.
摘要: Abstract: Carbon dots have emerged as popular materials in various research fields, including biological and photovoltaic areas, while significant reports are lacking related to their applications in laser devices, which play a significant role in our daily life. In this work, we demonstrate the first controllable random laser assisted by the surface plasmon effect of carbon dots. Briefly, carbon dots derived from candle soot are randomly deposited on the surface of gallium nitride (GaN) nanorods to enhance the ultraviolet fluorescence of GaN and generate plasmonically enhanced random laser action with coherent feedback. Furthermore, potentially useful functionalities of tunable lasing threshold and controllable optical modes are achieved by adjusting the numbers of carbon dots, enabling applications in optical communication and identification technologies. In addition to providing an efficient alternative for plasmonically enhanced random laser devices with simple fabrication and low cost, our work also paves a useful route for the application of environmentally friendly carbon dots in optoelectronic devices.
關聯: 1(1) pp.152-159
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48176
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