Cesium Tungsten Bronze Applied for French Window Thermal Insulating Film

Cesium tungsten bronze for preparing French window thermal insulating film is a tungsten bronze type functional compound, which can be prepared by hydrothermal method --- an important method in the solvent chemical reduction method. Among them, the low temperature hydrothermal method is commonly used as it is simple and practical. However, experts said that low-temperature hydrothermal synthesis of tungsten bronze must solve two problems.

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The first is to choose the solvent environment. The physical and chemical properties of the solvent have a great influence on the normal progress of the reaction and the surface properties of the product, which directly determines the various performance indexes of the product. The second one is the choice of reducing agent at low temperature. A suitable reducing agent can ensure that part of the W6+ is reduced to form tungsten bronze. The commonly used reducing environment is boric acid hydrochloride, citric acid, oxalic acid, and alcohol, etc., and the reducing performance of the reducing agent is sequentially weakened, boric acid hydrochloride > citric acid > oxalic acid > alcohol.

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