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

被引：165
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
收藏
页码：5061 / 5063
页数：3
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共 29 条
  • [1] Microstructure and structure of NiO-SnO2 and Fe2O3-SnO2 systems
    Castro, RHR
    Hidalgo, P
    Muccillo, R
    Gouvêa, D
    [J]. APPLIED SURFACE SCIENCE, 2003, 214 (1-4) : 172 - 177
  • [2] Fabrication and gas sensing properties of hollow SnO2 hemispheres
    Chang, Young-Eun
    Youn, Doo-Young
    Ankonina, Guy
    Yang, Dae-Jin
    Kim, Ho-Gi
    Rothschild, Avner
    Kim, Il-Doo
    [J]. CHEMICAL COMMUNICATIONS, 2009, (27) : 4019 - 4021
  • [3] Enhanced CO sensing characteristics of hierarchical and hollow In2O3 microspheres
    Choi, Kwon-Il
    Kim, Hae-Ryong
    Lee, Jong-Heun
    [J]. 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
    Choi, Won San
    Koo, Hye Young
    Zhongbin, Zhuang
    Li, Yadong
    Kim, Dong-Yu
    [J]. ADVANCED FUNCTIONAL MATERIALS, 2007, 17 (11) : 1743 - 1749
  • [5] Novel fabrication of an SnO2 nanowire gas sensor with high sensitivity
    Choi, Young-Jin
    Hwang, In-Sung
    Park, Jae-Gwan
    Choi, Kyoung Jin
    Park, Jae-Hwan
    Lee, Jong-Heun
    [J]. NANOTECHNOLOGY, 2008, 19 (09)
  • [6] Metal and metal oxide nanoparticles in chemiresistors: Does the nanoscale matter?
    Franke, ME
    Koplin, TJ
    Simon, U
    [J]. SMALL, 2006, 2 (01) : 36 - 50
  • [7] Effect of Ni doping on thick film SnO2 gas sensor
    Jain, K
    Pant, RP
    Lakshmikumar, ST
    [J]. SENSORS AND ACTUATORS B-CHEMICAL, 2006, 113 (02): : 823 - 829
  • [8] Hydrothermal synthesis of novel In2O3 microspheres for gas sensors
    Jiang, Hao
    Hu, Junqing
    Gu, Feng
    Shao, Wei
    Li, Chunzhong
    [J]. CHEMICAL COMMUNICATIONS, 2009, (24) : 3618 - 3620
  • [9] Microsphere templating as means of enhancing surface activity and gas sensitivity of CaCu3Ti4O12 films
    Kim, ID
    Rothschild, A
    Hyodo, T
    Tuller, HL
    [J]. NANO LETTERS, 2006, 6 (02) : 193 - 198
  • [10] Ultrasensitive chemiresistors based on electrospun TiO2 nanofibers
    Kim, Il-Doo
    Rothschild, Avner
    Lee, Byong Hong
    Kim, Dong Young
    Jo, Seong Mu
    Tuller, Harry L.
    [J]. NANO LETTERS, 2006, 6 (09) : 2009 - 2013
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