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ZnWO4 photocatalytic material with oxygen vacancy and preparation method thereof
ZnWO4 photocatalytic material with oxygen vacancy and preparation method thereof
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机译:氧空位的ZnWO4光催化材料及其制备方法
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摘要
The invention belongs to the field of novel photocatalytic materials, and particularly relates to a ZnWO4 photocatalytic material containing oxygen vacancy. According to the material, absorption exists in a near infrared region of an ultraviolet-visible light diffuse reflection spectrum, wherein the wavelength range of the near infrared region is 780-2500 nm. The invention further relates to a preparation method of the ZnWO4 photocatalytic material containing oxygen vacancy. Na2WO4 and soluble zinc salt are used as raw materials, ZnWO4 crystals are formed through a hydrothermal crystallization reaction and then roasted in the presence of hydrogen so as to achieve partial reduction of ZnWO4, and then the ZnWO4 photocatalytic material containing oxygen vacancy is obtained.
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