INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Role of chelating agent in chemical and fluorescent properties of SnO2 nanoparticles |
He Shao-Bo (贺少勃)a b, Wang Shi-Fa (王仕发)a, Ding Qing-Ping (丁庆平)a, Yuan Xiao-Dong (袁晓东)b, Zheng Wan-Guo (郑万国)b, Xiang Xia (向霞)a, Li Zhi-Jie (李志杰)a, Zu Xiao-Tao (祖小涛)a |
a School of Physical Electronics, University of Electronic Science and Technology of China, Sichuan Chengdu 610054, China; b Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China |
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Abstract A modified polyacrylamide gel route is applied to synthesize SnO2 nanoparticles. High-quality SnO2 nanoparticles with a uniform size are prepared using different chelating agents. The average particle size of the samples is found to depend on the choice of the chelating agent. The photoluminescence spectrum detected at λex = 230 nm shows a new peak located at 740 nm due to the surface defect level distributed at the nanoparticle boundaries.
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Received: 18 September 2012
Revised: 13 November 2012
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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81.16.-c
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(Methods of micro- and nanofabrication and processing)
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81.05.-t
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(Specific materials: fabrication, treatment, testing, and analysis)
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Fund: Project supported by the Joint Fund of the National Natural Science Foundation of China and the China Academy of Engineering Physics (Grant Nos. 11076008 and 61178018), and the Ph.D. Programs Foundation of Ministry of Education of China (Grant No. 20110185110007). |
Corresponding Authors:
Zu Xiao-Tao
E-mail: xtzu@uestc.edu.cn
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Cite this article:
He Shao-Bo (贺少勃), Wang Shi-Fa (王仕发), Ding Qing-Ping (丁庆平), Yuan Xiao-Dong (袁晓东), Zheng Wan-Guo (郑万国), Xiang Xia (向霞), Li Zhi-Jie (李志杰), Zu Xiao-Tao (祖小涛) Role of chelating agent in chemical and fluorescent properties of SnO2 nanoparticles 2013 Chin. Phys. B 22 058102
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