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Citation: FAN Hui-Tao, ZENG Yi, YANG Hai-Bin, ZHENG Xue-Jun, LIU Li, ZHANG Tong. Preparation and Gas Sensitive Properties of ZnO-CuO Nanocomposites[J]. Acta Physico-Chimica Sinica, ;2008, 24(07): 1292-1296. doi: 10.3866/PKU.WHXB20080729 shu

Preparation and Gas Sensitive Properties of ZnO-CuO Nanocomposites

1.
State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, P. R. China; National Laboratory of Superhard Materials, Jilin University, Changchun 130012, P. R. China; Key Laboratory of Low Dimensional Materials&Application Technology of the Ministry of Education, Xiangtan University, Xiangtan 411105, Hunan Province, P. R .China

Received Date: 4 December 2007
Available Online: 9 May 2008

Zn-Cu alloy nanocomposites were prepared directly from Zn-Cu alloy wire (w(Zn)=0.65)) by wire electrical explosion (WEE) method. The average particle size was in the range of 60-90 nm. Subsequently, Zn-Cu nanoparticles were oxidized to form ZnO-CuO nanocomposites after calcination at 500 ℃ in air for 2 h. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were employed to analyze the structure and morphology of the ZnO-CuO nanocomposites. Furthermore, the ZnO-CuO nanocomposites were coated on the surface of a ceramic tube to fabricate thick filmgas sensors, which showed strong gas sensing activities to C2H5OH.
- ZnO-CuO; Nanopowder; Wire electrical explosion; C2H5OH; Gas sensor
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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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