Synthesis and characterization of Sb–SnO2/kaolinites nanoparticles |
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| Affiliation: | 1. Department of Chemical and Biological Engineering, Korea University, Anam-Dong 5-1, Seongbuk-Gu, Seoul 136-713, Republic of Korea;2. Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Seongbuk-gu, Seoul 136-791, Republic of Korea;3. Research Institute of Biotechnology, CJ CheilJedang, 92 Gayang-Dong, Gangseo-Gu, Seoul 157-801, Republic of Korea;1. Department of Electrical and Electronic Engineering, School of Engineering, Chukyo University, Japan;2. A.M. Prokhorov General Physics Institute Russian Academy of Sciences, Vavilov str. 38, Moscow 119991, Russia;1. College of Environmental Science and Engineering, Donghua University, China;2. Institute of Sustainable Energy/Department of Science, Shanghai University, China;1. Saarland University, Functional Materials, 66123 Saarbrücken, Germany;2. University of Cologne, Inorganic and Materials Chemistry, 50939 Cologne, Germany;3. Saarland University, Physical Chemistry, 66123 Saarbrücken, Germany;1. Centre for Mineral Materials, School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China;2. Hunan Key Lab of Mineral Materials and Application, Central South University, Changsha 410083, China;3. State Key Lab of Powder Metallurgy, Central South University, Changsha 410083, China |
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| Abstract: | 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 Ω·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. |
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