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Bright blue photoluminescence from a mixed tin and manganese oxide xerogel prepared via sol–hydrothermal–gel process |
| Xiang Xia(向霞)a)†, Cheng Xiao-Feng(程晓峰)b), He Shao-Bo(贺少勃)b), Yuan Xiao-Dong(袁晓东)b), Zheng Wan-Guo(郑万国) b), Li Zhi-Jie(李志杰)a),Liu Chun-Ming(刘春明)a), Zhou Wei-Lie(周维列) c), and Zu Xiao-Tao (祖小涛)a) |
| a Department of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054, China; b Research Centre of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China; c Advanced Materials Research Institute, University of New Orleans, New Orleans, Louisiana 70148, USA |
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Abstract A new blue photoluminescent material, a mixed tin and manganese oxide xerogel, is prepared via sol-hydrothermal-gel process assisted by citric acid. The composition xerogel exhibits strong blue emission at room temperature, with an emission maximum at 434 nm under short (234 nm) or long-wavelength (343 nm) ultraviolet excitation. The photoluminescent excitation spectrum of the mixed tin and manganese oxide xerogel, monitored at an intensity maximum wavelength of 434 nm of the emission, consists of two excitation peaks at 234 nm and 343 nm. With heat treatment temperature increasing from 110 ℃ to 200 ℃, the blue emission intensity increases remarkably, whereas it is almost completely quenched after being treated at 300 ℃. The carbon impurities in the mixed tin and manganese oxide xerogel, confirmed by Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy, should be responsible for the bright blue photoluminescence.
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Received: 08 June 2011
Revised: 12 July 2011
Accepted manuscript online:
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PACS:
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78.55.-m
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(Photoluminescence, properties and materials)
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78.66.Sq
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(Composite materials)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10904008), Joint Funds of the National Natural Science Foundation of China (Grant No. 11076008), and the Young Scientists Foundation of Sichuan Province of China (Grant No. 2010JQ0006). |
Cite this article:
Xiang Xia(向霞), Cheng Xiao-Feng(程晓峰), He Shao-Bo(贺少勃), Yuan Xiao-Dong(袁晓东), Zheng Wan-Guo(郑万国), Li Zhi-Jie(李志杰), Liu Chun-Ming(刘春明), Zhou Wei-Lie(周维列), and Zu Xiao-Tao (祖小涛) Bright blue photoluminescence from a mixed tin and manganese oxide xerogel prepared via sol–hydrothermal–gel process 2011 Chin. Phys. B 20 127801
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