TY - JOUR
T1 - Effects of nitrogen content in monocrystalline nano-CeO 2 on the degradation of dye in indoor lighting
AU - Sun, Dongfeng
AU - Gu, Mingjie
AU - Li, Ruixing
AU - Yin, Shu
AU - Song, Xiaozhen
AU - Zhao, Bin
AU - Li, Chengqiang
AU - Li, Junping
AU - Feng, Zhihai
AU - Sato, Tsugio
N1 - Funding Information:
The authors appreciate the financial support from the National Science Foundation of China ( NSFC50974007 ); the Scientific Research Starting Foundation for Returned Overseas Chinese Scholars, Ministry of Education; the Start-Up Fund for High-End Returned Overseas Talents (Renshetinghan 2010, No. 411), Ministry of Human Resources and Social Security, China and the Lab-Installation Foundation of Beihang University for New Teachers .
PY - 2013/9/1
Y1 - 2013/9/1
N2 - Azo dyes are an abundant class of synthetic dyes, however their complex structure makes them difficult to biologically degrade. We sought to degrade acid orange 7 (AO7) using nitrogen-doped nano-CeO 2 , which is a promising alternative photocatalyst to nitrogen-doped TiO 2 . Nitrogen-doped monocrystalline CeO 2 nanoparticles with various nitrogen contents were synthesized solvothermally at 120 °C from Ce(NO 3 ) 3 ·6H 2 O, triethanolamine, and ethanol. The CeO 2 monocrystals were between 7 and 8 nm in diameter. Nitrogen was shown to be incorporated into CeO 2 lattice from the results of the lattice parameter calculations, X-ray photoelectron spectroscopy analysis and elemental analysis. The degradation of AO7 in water was investigated using a domestic 10 W compact fluorescent lamp. The degradation efficiency of AO7 by monocrystalline CeO 2 increased with increasing nitrogen content, reaching 97.6% for the sample with a N:Ce molar ratio of 0.3.
AB - Azo dyes are an abundant class of synthetic dyes, however their complex structure makes them difficult to biologically degrade. We sought to degrade acid orange 7 (AO7) using nitrogen-doped nano-CeO 2 , which is a promising alternative photocatalyst to nitrogen-doped TiO 2 . Nitrogen-doped monocrystalline CeO 2 nanoparticles with various nitrogen contents were synthesized solvothermally at 120 °C from Ce(NO 3 ) 3 ·6H 2 O, triethanolamine, and ethanol. The CeO 2 monocrystals were between 7 and 8 nm in diameter. Nitrogen was shown to be incorporated into CeO 2 lattice from the results of the lattice parameter calculations, X-ray photoelectron spectroscopy analysis and elemental analysis. The degradation of AO7 in water was investigated using a domestic 10 W compact fluorescent lamp. The degradation efficiency of AO7 by monocrystalline CeO 2 increased with increasing nitrogen content, reaching 97.6% for the sample with a N:Ce molar ratio of 0.3.
KW - Ceria
KW - Degradation
KW - Doping
KW - Nanoparticles
KW - Solvothermal method
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U2 - 10.1016/j.apsusc.2013.05.044
DO - 10.1016/j.apsusc.2013.05.044
M3 - Article
AN - SCOPUS:84879689960
VL - 280
SP - 693
EP - 697
JO - Applied Surface Science
JF - Applied Surface Science
SN - 0169-4332
ER -