Synthesis and photochromic properties of WO_3 powder induced by oxalic acid |
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| Authors: | SHEN Yi ZHU Hua HUANG Rong ZHAO Li & YAN ShaNing Faculty of Material Science Chemical Engineering China University of Geosciences Wuhan China Faculty of Materials Science Engineering Hubei University Wuhan |
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| Affiliation: | SHEN Yi1,ZHU Hua1,HUANG Rong1,ZHAO Li2 & YAN ShaNing1 1 Faculty of Material Science , Chemical Engineering,China University of Geosciences,Wuhan 430074,China,2 Faculty of Materials Science , Engineering,Hubei University,Wuhan 430062 |
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| Abstract: | Tungsten trioxide powder with the novel morphology was prepared via the hydrothermal method with oxalic acid as the organic inducer, the structure and shape of which were detected by X-ray diffraction (XRD), scanning electron microscopy (SEM) and BET. Furthermore, photochromic properties of the as-prepared powder samples were tested by an ultraviolet-visible spectrophotometer combined with a color difference meter. The corresponding results indicated that the induced product was still hexagonal WO3, made up... |
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| Keywords: | WO3 powder photochromism oxalic acid organic inducer |
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