期刊
APPLIED SURFACE SCIENCE
卷 330, 期 -, 页码 245-252出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2014.12.163
关键词
Anatase TiO2; (001) facets; Ceria; Selective catalytic reduction
类别
资金
- National Natural Science Foundation of China [NSFC-51278458]
- National High Tech Research and Development Program (863) of China [2011AA060801]
- Technological Research for Public Welfare of Zhejiang Province [2012C23024]
- Changjiang Scholar Incentive Program (Ministry of Education, China)
Ceria doped on anatase TiO2 with high energy (001) facets was synthesized in this paper, which was subsequently utilized for selective catalytic reduction (SCR) of NO by NH3. After subjected to a range of analytical techniques, such as XRD, BET, TEM, XPS ESR, H-2-TPR and NH3-TPD, it was found that compared with Ce/P25 catalyst, the presence of (001) facets over the TiO2 support had yielded a remarkably high activity at 390-490 degrees C for NO removal. The unique feature of active-energy (001) facets had enhanced the thermal stability of CeO2 whilst the presence of Ti3+ over the TiO2 surface had effectively facilitated the SCR process, both of which resulted in the remarkable catalytic performance for the catalyst. (C) 2015 Published by Elsevier B.V.
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