Tungsten trioxide for the preparation of balcony thermal insulating glass coating is tungsten trioxide nanopowder, which is regarded as one of the most interesting material in the fields of material science.
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It is reported that tungsten trioxide nanopowder can be successfully synthesized using the sol-gel modified Pechini's method with the aid of sodium tungstate, oxalic acid, and PEG-200 as the starting material, chelating agent, and polymeric additive, respectively. Tungsten trioxide nanopowder with a high purity, and a controllable morphology and particle size attained. The quantity of oxalic acid and PEG in the precursor have noticeable effects on the particle shape, size, and aggregation. Tungsten trioxide nanoparticles with high crystallinity can be prepared by the simple and low-cost sol-gel modified Pechini's method. And the tungsten trioxide particles with an average size of 58 nm and spherical morphology were synthesized by changing the amount of oxalic acid and poly ethylene glycol at the same time.
