Description: Cesium tungsten bronze is inorganic nano material with good property in absorbing near-infrared with uniform grain size and dispersibility, has high transmittance in visible light.
cesium tungsten bronze (1) cs0.33wo3 (1)
Cesium tungsten bronze is inorganic nano material with good property in absorbing near-infrared with uniform grain size and dispersibility, it has strong absorbing function in near-infrared area with wave length 800~1200nm, also has high transmittance in visible light area with wave length 380~780nm. Chinese Name: 铯钨青铜 CAS Number: 189619-69-0 Molecular Formula: Cs 0.33 WO 3 Molecular Weight: 276 Appearance: Dark blue powder
A. Use sodium tungstate (Na 2 WO 4 •2H 2 O) and Cs 2 CO 3 as raw material a. Use AR grade sodium tungstate Na 2 WO 4 •2H 2 O as raw material, configurating sodium tungstate solution for concentration of 0.5 mol/L; b. Obtain tungstic acid solution by ion exchange resin method, adding citric acid solution of concentration 1mol/L or 2 mol/L and 0.3mol/L Cs 2 CO 3 solution, stick it evenly, the precursor solution is obtained; c. Adding precursor solution into autoclave, reacting for 3days under 90℃, after ultra
B. Use WCl 6 and CsOH•H 2 O as raw material a. Weigh a certain amount of cesium hydroxide to dissolve in ethyl alcohol, weigh a certain amount of tungsten hexachloride in ethyl alcohol to obtain cesium hydroxide solution and tungsten hexachloride solution. b. Mix and stir the above obtained solution for 1h, reaction precursor solution for preparing Cs 0.33 WO 3 is obtained. c. Transfer the above precursor solution in reacting furnace, put in the dry oven for hydrothermal reaction for 1 day, the obtained pre