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Tungsten trioxide (WO 3 ) powders were prepared via a simple hydrothermal method. The morphology, structure and photochromic activity of the synthesized WO 3 powders were studied by X-ray diffraction, scanning electron microscopy and UV–vis spectrophotometer combined with color difference meter. The results showed the synthesized WO 3 powders with hexagonal phase got much better...
A new flexible approach is developed to synthesize PbWO 4 nanoparticles inside the channels of mesoporous silica SBA-15. Mesoporous SBA-15 silica with 7nm pores was produced by a hydrothermal process and used as a hard template. PbWO 4 nanoparticles were synthesized and incorporated into the mesoporous silicate support in a low-power ultrasonication condition. The as-synthesized samples...
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