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Synthesis and Characterization of Alkaline Tungsten Bronze Powder by Sol-Gel Method
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1.深圳大学西丽校区B1化学与环境工程学院B1-438;2.Shenzhen University

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    Abstract:

    In this paper, powders of alkali tungsten bronze (MxWO3, M=Cs, Rb or one of them) were synthesized by sol-gel method. The tantalum and niobium were respectively doped and yttrium and lanthanum co-doped to tungsten bronze. The effect of powder crystal phase and morphology. X-ray diffractometer (XRD), X-ray energy spectrometer (EDS), scanning electron microscope (SEM), X-ray photoelectron spectroscopy (XPS), UV-visible near-infrared spectroscopy (UV-Vis-NIR) The phase, morphology, optical properties and thermal insulation properties of the synthesized alkali tungsten bronze powder were characterized by a thermal film temperature tester. The results show that the alkali-tungsten bronze powder synthesized by sol-gel method has good crystallinity, small particle size and good dispersibility. The transparent adiabatic index of Cs and Rb co-doped K=150.34 is higher than that of Rb single doping. 23.92, improved the Cs single doping at 1076nm transmission rate mutation; Cs, Rb co-doping temperature difference (compared to the starting temperature) is 4.9 ° C than the Rb single doping temperature difference decreased by 5.7 ° C.

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[Chunbo Huang, Weimeng Zheng, Junsheng Wang, Liangpu Li, Yue Hua, Qiaoting Zhou, Tianzi Zhou, Weizhong Lv. Synthesis and Characterization of Alkaline Tungsten Bronze Powder by Sol-Gel Method[J]. Rare Metal Materials and Engineering,2020,49(4):1331~1336.]
DOI:10.12442/j. issn.1002-185X. SG20190089

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History
  • Received:July 03,2019
  • Revised:November 19,2019
  • Adopted:November 19,2019
  • Online: May 07,2020
  • Published: