Violet tungsten oxide, or WO2.72, for preparing infrared shielding material microparticle, is a type of semiconductor-based material. WO2.72 is also known as a NIR-absorbing photothermal material (PTM).
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According to the experts, the first and foremost requirement of a PTM is that it must have a light-absorption capability. During the last few decades, various PTMs with strong light absorbance have been investigated for wide solar spectra. Because of their NIR responsive properties, the photothermal conversion dynamics of these materials have not been fully explored. While the research on semiconductor materials is rapidly expanding. In addition, studies are being conducted on noble and carbon-based PTMs, which includes copper chalcogenides, Ti2O3, MXene- (Ti3C2), MoO3−x, and WO3−x. These semiconductor-based materials are considered to be highly promising candidates, as they offer desirable photothermal conversion efficiencies. Besides, the violet tungsten oxide is a good material for producing infrared shielding material microparticle, which reduces room temperature and saves energy.
