Cs0.32WO3 nanoparticles may be used as heat-insulating dingal particles to prepare near infrared shielding material such as heat-insulating film, heat-insulating coating, and thermal insulation dispersion. These materials, which can shield most of the heat in the sun (near-infrared), may be applied to automotive glass and architectural glass. So, why do we need to shield near infrared rays in the sun?
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According to the "National Environmental Pollutant Environmental Health Risk Inventory Physical Volume" published by the Ministry of Environmental Protection, near-infrared rays are harmful to our eyes. The main clinical manifestations include solar retinal choroidal burns and corneal damage: the main symptom is glare, followed by photophobia. Symptoms are that you can't open your eyes in the sun, you can't see things under strong light, you can easily shed tears, and you feel pain. Light illusion and color vision abnormalities (red, yellow, blue), after 24 hours, the floating shadow becomes a dense dark spot, which can be a temporary or permanent central dark spot. The visual acuity drops below 0.5-0.1. And there is visual distortion.
