Citation: Honggen Peng, Yue Peng, Xianglan Xu, Xiuzhong Fang, Yue Liu, Jianxin Cai, Xiang Wang. SnO₂ nano-sheet as an efficient catalyst for CO oxidation[J]. Chinese Journal of Catalysis, ;2015, 36(11): 2004-2010. doi: 10.1016/S1872-2067(15)60926-3 shu

SnO₂ nano-sheet as an efficient catalyst for CO oxidation

1.
Institute of Applied Chemistry, College of Chemistry, Nanchang University, Nanchang 330031, Jiangxi, China

Corresponding author: Xiang Wang,
Received Date: 19 April 2015
Available Online: 1 June 2015
Fund Project: 国家自然科学基金(21263015) (21263015) 江西省科技落地计划(KJLD14005) (KJLD14005) 江西省自然科学基金(20151BBE50006, 20122BAB203009). (20151BBE50006, 20122BAB203009)

Polycrystalline SnO₂ fine powder consisting of nano-particles (SnO₂-NP), SnO₂ nano-sheets (SnO₂-NS), and SnO₂ containing both nano-rods and nano-particles (SnO₂-NR+NP) were prepared and used for CO oxidation. SnO₂-NS possesses a mesoporous structure and has a higher surface area, larger pore volume, and more active species than SnO₂-NP, and shows improved activity. In contrast, although SnO₂-NR+NP has only a slightly higher surface area and pore volume, and slightly more active surface oxygen species than SnO₂-NP, it has more exposed active (110) facets, which is the reason for its improved oxidation activity. Water vapor has only a reversible and weak influence on SnO₂-NS, therefore it is a potential catalyst for emission control processes.
- SnO₂ catalyst,
- Nano-sheet,
- Nano-rod,
- Exposed active facet,
- CO oxidation
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沈阳化工大学材料科学与工程学院沈阳 110142

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通讯作者: 陈斌, bchen63@163.com

SnO₂ nano-sheet as an efficient catalyst for CO oxidation