Tungsten Trioxide Applied for Hotel Thermal Insulating Film

Tungsten trioxide, or WO3, is a near-infrared absorbing photothermal material, which is also known as NIR-absorbing photothermal material or PTM. And it is reported that tungsten trioxide nano particles may be applied for preparing hotel thermal insulating film.

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According to the experts, photothermal conversion is a process in which light energy of a specific wavelength is absorbed and is converted directly into heat. Through light-to-heat conversion, the heat generated can be applied to many fields such as electrochromic devices, NIR shielding, photothermal therapy, water evaporation, photocatalysis and energy-related applications. PTMs have been used for photothermal ablation (PTA) therapy for the past few decades. And in recent years, tungsten trioxide nano powder is also one of the nano materials studied most commonly for applying to electrochromic devices and NIR shielding. As the two applications are important for energy saving reconstruction of buildings. The hotel thermal insulating film of tungsten trioxide may be an electrochromic film or a heat-shielding film.

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