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Citation: LV Renjiang, HOU Xuegong, LI Yingjie, DENG Lei, DING Huimin, DING Shuang. Synthesis and Photoluminescence of Mesoporous CeO₂ Nanofibers Using Porous Anodic Alumina as Template[J]. Chinese Journal of Applied Chemistry, ;2012, 29(6): 658-662. doi: 10.3724/SP.J.1095.2012.00304 shu

Synthesis and Photoluminescence of Mesoporous CeO₂ Nanofibers Using Porous Anodic Alumina as Template

1.
Chemistry and Chemical Engineering Institute of Qiqihar University, Qiqihar 161006, China

Corresponding author: LI Yingjie,
Received Date: 14 July 2011
Available Online: 26 October 2011

Using porous anodic aluminium oxide(AAO) membrane as template,a precursor containing triblock copolymer EO₂₀PO₇₀EO₂₀(P123) as porogen,Ce(NO₃)₃·6H₂O as the cerium source and ethanol as the solvent was loaded into the AAO nano-channels by a pressure-induced technique under vacuum.After heat treatment at 600℃ for 180 min and removal of AAO by NaOH,one-dimensional CeO₂ nanofibers with mesoporous structure were fabricated.The obtained samples were characterized by means of SEM,TEM,XRD,EDS and N₂ sorption and desorption.The results show that the CeO₂ nanofibers have mesopore structure and high surface area,and good photoluminescence property.
- anodic aluminium oxide,
- template technique,
- mesoporous CeO₂,
- nanofibers,
- photoluminescence property
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通讯作者: 陈斌, bchen63@163.com

Synthesis and Photoluminescence of Mesoporous CeO₂ Nanofibers Using Porous Anodic Alumina as Template