Tungsten bronze for preparing near infrared absorbing material refers to a class of tungsten bronze compounds. It may be cesium tungsten bronze, which has been widely used in many fields, such as energy-saving window, biothermotherapy to ablate cancer cells, military stealth coating, and optical anti-counterfeiting, etc.
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Tungsten bronze nanoparticles with strong near-infrared absorption capacity and strong light-to-heat conversion efficiency can be synthesized by controlling the slow-release water method. A film containing a small amount of such near-infrared absorbing nano particles can absorb most of the near-infrared rays while transmitting most visible light, so that it has unique advantage in the production of dingal windows/ smart windows. In addition, the experts also improve the biocompatibility of such compounds through polymer modification and apply it to multidingal tumor treatment and imaging composite systems. And the tungsten bronze near infrared absorbing material is also applied to near-infrared photocatalysis and full-spectrum response electrochromic materials field.
