Synthesis and characterization of Sb-SnO2/kaolinites nanoparticles

被引：28
作者：
Hu, Peiwei [1 ]
Yang, Huaming [1 ]
Ouyang, Jing [1 ]
机构：
[1] Cent S Univ, Dept Inorgan Mat, Sch Resources Proc & Bioengn, Changsha 410083, Hunan, Peoples R China
来源：
APPLIED CLAY SCIENCE | 2012年 / 55卷
关键词：
Antimony doped tin oxide; Kaolinite; Resistivity; XPS; THIN-FILMS; ANTIMONY; SNO2; PARTICLES; OXIDE; NANOWIRES; DIOXIDE; MICROSPHERES; MORPHOLOGY; POWDERS;
D O I：
10.1016/j.clay.2011.11.008
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, we reported the synthesis of composite conductive powders of antimony-doped tin oxide (Sb-SnO2) coated onto kaolinite. Structure and morphology of the samples were systematically characterized by X-ray diffraction (XRD), scanning electronic microscopy (SEM), transmission electron microscopy (TEM), high-resolution TEM (HRTEM), Fourier transform infrared (FTIR) and X-ray photoelectron spectrum (XPS). The results showed that Sb-SnO2 nanoparticles (<10 nm) were successfully coated as thin layers on the surface of kaolinite. The antimony-doped tin oxide/kaolinite (ATK) composites retained the flake morphology like the original kaolinite and had a resistivity of 273.2 Omega.cm. Sb-SnO2 layers were proved to attach to the kaolinite surface via the Sn-O-Si or Sn-O-Al bonds. The growth mode of Sb-SnO2 layers onto the kaolinite was investigated. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：151 / 157
页数：7
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