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| Prepared and Photoluminescence of SnO2 Nanoparticles |
Yun WANG,Hong WANG,Guangai SUN,Xiping CHEN,Shifa WANG( ) |
| Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621900 |
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Cite this article:
Yun WANG,Hong WANG,Guangai SUN,Xiping CHEN,Shifa WANG. Prepared and Photoluminescence of SnO2 Nanoparticles. Chinese Journal of Materials Research, 2014, 28(6): 420-426.
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Abstract SnO2 nanoparticles were synthesized by a polyacrylamide gel technique. X-ray diffraction (XRD) analysis indicates that the as-synthesized SnO2 nanocrystallites consists merely of a rutile-type SnO2 with tetragonal crystallographic structure. Scanning electron microscope (SEM) observation shows that the prepared SnO2 nanoparticles are regularly rhombus in shape. The photo luminescent emission spectrum detected at λex= 326 nm showed four peaks located at 379, 417, 450 and 470 nm, the first having the strongest intensity. The emission spectra also show that an emission band around 740 nm was observed when the excitation wavelength is 230 nm. The forming and luminescence mechanisms of nano-SnO2 have been discussed based on the experimental results.
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Received: 25 November 2013
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| Fund: *Supported by National Natural Science Foundtion of China No. 11105128. |
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