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Preparation and characterization of gallium-doped zinc oxide nanopowders with high electrical conductivity
Du, S. F.; Liu, J.; Chen, Y. F.
2007
Conference Name4th China International Conference on High-Performance Ceramics (CICC-4)
Source PublicationHigh-Performance Ceramics IV, Pts 1-3 Book Series: KEY ENGINEERING MATERIALS Volume: 336-338 Pages: 2041-2043 Part: 1-3
Pages2041-2043
Conference DateOCT 23-26, 2005
Conference PlaceChengdu, PEOPLES R CHINA
PublisherTrans Tech Publications Ltd
AbstractGallium-doped zinc oxide nanopowders with high electrical conductivity were prepared by calcining the precursor synthesized from ZnSO4 center dot 7H(2)O, GaCl3 and NH4HCO3 by co-precipitation method. The obtained samples were characterized by FE-SEM, TEM, XRD, XPS and BET techniques. The precursor particles were in the shape of sheet-like with size about several hundred nanometers. The electrically conductive zinc oxide particles, in the shape of sphere-like, were about 10 similar to 40 nm with low agglomeration, and the specific surface area was 28.7 m(2)/g. XRD and XPS results showed that all the doped Ga exists as the substitution form of Ga-Zn(center dot) in the ZnO system. The volume resistivity of the product was as lower as 4.5 Omega.cm.
KeywordZinc Oxide Electrical Conductivity Gallium-doped Co-precipitation Method Zno Nanostructures Powders
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Indexed ByISTP
Language英语
Document Type会议论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11089
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Du, S. F.,Liu, J.,Chen, Y. F.. Preparation and characterization of gallium-doped zinc oxide nanopowders with high electrical conductivity[C]:Trans Tech Publications Ltd,2007:2041-2043.
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