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

被引：166

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

来源：

CHEMICAL COMMUNICATIONS | 2010年 / 46卷 / 28期

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

页码：5061 / 5063

页数：3

共 29 条

[1] Microstructure and structure of NiO-SnO2 and Fe2O3-SnO2 systems [J].

Castro, RHR ;

Hidalgo, P ;

Muccillo, R ;

Gouvêa, D .

APPLIED SURFACE SCIENCE, 2003, 214 (1-4) :172-177

[2] Fabrication and gas sensing properties of hollow SnO2 hemispheres [J].

Chang, Young-Eun ;

Youn, Doo-Young ;

Ankonina, Guy ;

Yang, Dae-Jin ;

Kim, Ho-Gi ;

Rothschild, Avner ;

Kim, Il-Doo .

CHEMICAL COMMUNICATIONS, 2009, (27) :4019-4021

[3] Enhanced CO sensing characteristics of hierarchical and hollow In2O3 microspheres [J].

Choi, Kwon-Il ;

Kim, Hae-Ryong ;

Lee, Jong-Heun .

SENSORS AND ACTUATORS B-CHEMICAL, 2009, 138 (02) :497-503

[4] Templated synthesis of porous capsules with a controllable surface morphology and their application as gas sensors [J].

Choi, Won San ;

Koo, Hye Young ;

Zhongbin, Zhuang ;

Li, Yadong ;

Kim, Dong-Yu .

ADVANCED FUNCTIONAL MATERIALS, 2007, 17 (11) :1743-1749

[5] Novel fabrication of an SnO2 nanowire gas sensor with high sensitivity [J].

Choi, Young-Jin ;

Hwang, In-Sung ;

Park, Jae-Gwan ;

Choi, Kyoung Jin ;

Park, Jae-Hwan ;

Lee, Jong-Heun .

NANOTECHNOLOGY, 2008, 19 (09)

[6] Metal and metal oxide nanoparticles in chemiresistors: Does the nanoscale matter? [J].

Franke, ME ;

Koplin, TJ ;

Simon, U .

SMALL, 2006, 2 (01) :36-50

[7] Effect of Ni doping on thick film SnO2 gas sensor [J].

Jain, K ;

Pant, RP ;

Lakshmikumar, ST .

SENSORS AND ACTUATORS B-CHEMICAL, 2006, 113 (02) :823-829

[8] Hydrothermal synthesis of novel In2O3 microspheres for gas sensors [J].

Jiang, Hao ;

Hu, Junqing ;

Gu, Feng ;

Shao, Wei ;

Li, Chunzhong .

CHEMICAL COMMUNICATIONS, 2009, (24) :3618-3620

[9] Microsphere templating as means of enhancing surface activity and gas sensitivity of CaCu3Ti4O12 films [J].

Kim, ID ;

Rothschild, A ;

Hyodo, T ;

Tuller, HL .

NANO LETTERS, 2006, 6 (02) :193-198

[10] Ultrasensitive chemiresistors based on electrospun TiO2 nanofibers [J].

Kim, Il-Doo ;

Rothschild, Avner ;

Lee, Byong Hong ;

Kim, Dong Young ;

Jo, Seong Mu ;

Tuller, Harry L. .

NANO LETTERS, 2006, 6 (09) :2009-2013

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