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Fabrication of crystalline selenium microwire |
| Shuai Peng(彭帅)1,2,3, Guo-Wu Tang(唐国武)1,2,3, Min Sun(孙敏)1,2,3, Wang-Wang Liu(刘旺旺)1,2,3, Xiu-Jie Shan(单秀杰)1,2,3, Qi Qian(钱奇)1,2,3, Dong-Dan Chen(陈东丹)1,2,3, Qin-Yuan Zhang(张勤远)1,2,3, Zhong-Min Yang(杨中民)1,2,3 |
1 State Key Laboratory of Luminescent Materials and Devices and Institute of Optical Communication Materials, South China University of Technology, Guangzhou 510640, China;
2 Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou 510640, China;
3 Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, South China University of Technology, Guangzhou 510640, China |
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Abstract A method of fabricating selenium (Se) microwire is demonstrated. A multimaterial fiber with amorphous selenium (a-Se) core and multicomponent phosphate glass cladding is drawn by using a conventional optical fiber drawing technique. Then the a-Se core of the fiber is crystallized by a post thermal process at 150℃. After the multicomponent phosphate glass cladding is stripped from the multimaterial fiber by marinating the fiber in HF acid solution, a crystalline selenium (c-Se) microwire with high uniformity and smooth surface is obtained. Based on microstructure measurements, the c-Se microwire is identified to consist of most hexagonal state particles and very few trigonal state whiskers. The good photoconduction property of c-Se microwire with high quality and longer continuous length makes it possible to apply to functional devices and arrays.
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Received: 25 November 2016
Revised: 13 December 2016
Accepted manuscript online:
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PACS:
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81.07.-b
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(Nanoscale materials and structures: fabrication and characterization)
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61.82.Fk
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(Semiconductors)
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72.40.+w
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(Photoconduction and photovoltaic effects)
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| Fund: Project supported by the National Natural Science Foundation for Distinguished Young Scientists, China (Grant No. 61325024), the High-Level Personnel Special Support Program of Guangdong Province, China (Grant No. 2014TX01C087), the Fundamental Research Funds for the Central Universities, China (Grant No. 2015ZP019), the National High Technology and Development Program of China (Grant Nos. 2013AA031502 and 2014AA041902), the National Natural Science Foundation of China (Grant Nos. 51472088, 61535014, and 51302086), and the Fund of Guangdong Provincial Cooperation of Producing, Studying and Researching, China (Grant No. 2012B091100140). |
Corresponding Authors:
Qi Qian
E-mail: qianqi@scut.edu.cn
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Cite this article:
Shuai Peng(彭帅), Guo-Wu Tang(唐国武), Min Sun(孙敏), Wang-Wang Liu(刘旺旺), Xiu-Jie Shan(单秀杰), Qi Qian(钱奇), Dong-Dan Chen(陈东丹), Qin-Yuan Zhang(张勤远), Zhong-Min Yang(杨中民) Fabrication of crystalline selenium microwire 2017 Chin. Phys. B 26 048101
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