Ultra-fast responding and recovering C2H5OH sensors using SnO2 hollow spheres prepared and activated by Ni templates

被引:167
作者
Kim, Hae-Ryong [1 ]
Choi, Kwon-Il [1 ]
Kim, Kang-Min [1 ]
Kim, Il-Doo [2 ]
Cao, Guozhong [3 ]
Lee, Jong-Heun [1 ]
机构
[1] Korea Univ, Dept Mat Sci & Engn, Seoul 136713, South Korea
[2] Korea Inst Sci & Technol, Optoelect Mat Ctr, Seoul 130650, South Korea
[3] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA
关键词
SENSING CHARACTERISTICS; GAS SENSORS; OXIDE; MICROSPHERES; CHEMIRESISTORS; NANOSTRUCTURES; NANOWIRES; CO;
D O I
10.1039/c0cc00213e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Ultra-fast responding and recovering C2H5OH sensors were prepared using nanoscale SnO2 hollow spheres with NiO-functionalized inner walls. The exceptional ultra-fast recovery characteristics were attributed to the catalytic surface reaction assisted by NiO at the inner shell.
引用
收藏
页码:5061 / 5063
页数:3
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