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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48176

Title: Plasmonic Carbon-Dot-Decorated Nanostructured Semiconductors for Efficient and Tunable Random Laser Action
Authors: 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
Contributors: 國立臺灣海洋大學:光電與材料科技學系
Keywords: carbon nanodots
gallium nitride nanorods
nanostructure;random lasers
surface plasmon resonance
Date: 2018-01
Issue Date: 2018-08-15T05:52:02Z
Publisher: ACS Appl. Nano Mater.
Abstract: 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.
Relation: 1(1) pp.152-159
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48176
Appears in Collections:[光電科學研究所] 期刊論文

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