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Nano tungsten trioxide powder may be prepared by liquid phase ion exchange method and be used as a photocatalyst. It has excellent photocatalytic degradation performance. Liquid Phase Ion Exchange Method to Produce Fully Tungsten-based Z-type Orthorhombic Hydrated Tungsten Trioxide/Tetragonal Lead Tungstate Composite Photocatalyst Liquid phase ion exchange method was used to produce fully tungsten-based Z-type orthorhombic hydrated tungsten trioxide/tetragonal lead tungstate (WO3?0.33H2O/PbWO4) composite photocatalyst. The study found: 1. Determine the crystal phase and composition of the composite photocatalyst by XRD…

WO3 nanopowder may be prepared by a room temperature liquid phase method and used as a photocatalyst, which can play a role of catalysis under photon excitation, and does not participate in the reaction itself. Room Temperature Liquid Phase Method to Produce Interstitial C-doped Orthorhombic Phase Hydrated Tungsten Trioxide Photocatalyst Room temperature liquid phase method was applied to prepare the interstitial C-doped orthorhombic phase hydrated tungsten trioxide (C-doped WO3?0.33H2O) photocatalyst. As studies show: 1. The doping position of C is…

Tungsten trioxide nanopowder may be applied in the field of photocatalysis. Photocatalytic technology is a technology that can effectively remove highly toxic, low concentrated and unmanageable pollutants by only using solar energy without causing bad effects. Solvothermal Method to Produce Orthorhombic Phase Hydrated Tungsten Trioxide Photocatalyst With Flower-like Hierarchical Structure The solvothermal method was used to prepare orthorhombic phase hydrated tungsten trioxide (oWO3?0.33H2O) photocatalyst with flower-like hierarchical structure by adjusting the amount of acetone. Researches show that: 1. Acetone retained…

Nanometer tungsten trioxide powder may be prepared by solvothermal method and used as a photocatalyst. As one of the earliest studied photocatalysts, tungsten trioxide is environmentally friendly with excellent photostability so that it has broad application prospects in the fields of photocatalytic water splitting, photoelectrochemical cells and pollutant removal. Solvothermal Method to Produce Cubic Phase Hydrated Tungsten Trioxide Photocatalyst The solvothermal method was used to prepare cubic phase hydrated tungsten trioxide (cWO3?0.5H2O) photocatalyst with grain size of 120nm~180nm. The study…

High purity tungsten trioxide nanopowder may be used as a photocatalyst. Hydrothermal Method to Produce Hexagonal Phase Tungsten Trioxide Ultrathin Nanosheet Photocatalyst The hydrothermal method was used to prepare hexagonal phase tungsten trioxide (h-WO3) ultrathin nanosheet photocatalyst. And the role of urea played in the growth process of WO3 was studied. The thickness of the synthesized ultrathin nanosheet is about 5 nm. In the reaction, the hydrolysis of urea plays an irreplaceable role. On the one hand, it slows the…