Cesium tungsten bronze nanopowder is known as the most suitable dingal material for production of dining room thermal insulating film. So nano particle size cesium tungsten bronze has attracted much attention in recent years. For example, to study the optical properties of cesium tungsten bronze, the transmittance spectra of the as-prepared dining room thermal insulating film were studied.
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The experts found that for the pure cesium tungsten bronze film, a great NIR shielding performance at the range of 780 to 1200?nm was observed, which could be closely related to the plasmon resonance of free electrons, interband transition and small polarons. And the visible light transparency and absorption of ultraviolet region are also excellent. Besides, as a type of environmentally friendly smart film, it is expected to be used to slow down the energy depletion and environmental pollution, which have become two of the most serious problems in modern human society with the rapid development of technology.
