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Preparation of ITO nano-powders by hydrothermal-calcining process

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Abstract

Sn-doped In2O3 (ITO) nano-powders were prepared by hydrothermal-calcining process. Using SnCl4 · 5H2O and In as starting materials, the crystallites were characterized by XRD, TEM and BET. The effects of the conditions on the product were investigated. The results show that the phase of hydrothermal precursor obtained by hydrothermal process is related to the temperature of hydrothermal reaction, i. e., the phases are amorphous In(OH)3 in 160–180 °C; In(OH)3 crystal in 200 °C and (In1−x Sn x ) OOH crystal in 200–300 °C. ITO nano-powders with hexagonal structure and average size of 65 nm are obtained by calcining the precursor derived from the hydrothermal process at 350–650 °C. The BET of ITO crystal can reach 84. 023 4 m2 · g−1.

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Authors and Affiliations

  1. School of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, China

    Gu Ying-ying PhD (female, professon), Qin Li-ping & Liu Xue-ying

  2. Guangxi University of Technology, 545006, Liuzhou, China

    Liu Xue-ying

Authors
  1. Gu Ying-ying PhD
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  2. Qin Li-ping
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  3. Liu Xue-ying
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Correspondence to Gu Ying-ying PhD.

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Foundation item: Project (2001BA901A09) supported by the National Western Development and Technique Foundation during the 10th Five-Year Plain Period

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Gu, Yy., Qin, Lp. & Liu, Xy. Preparation of ITO nano-powders by hydrothermal-calcining process. J Cent. South Univ. Technol. 13, 389–392 (2006). https://doi.org/10.1007/s11771-006-0054-0

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  • DOI: https://doi.org/10.1007/s11771-006-0054-0

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