Solubility of tungstic acid-Need Help

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The discussion focuses on the preparation of composite TiO2/WO3 thin films using spray pyrolysis. The user seeks a common non-aqueous solvent for dissolving both tungsten and titanium precursors. A recommended solution is to switch to tungsten ethoxide and titanium ethoxide, utilizing the sol-gel process for effective coating. This method is expected to yield the desired composite films on glass substrates.

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  • Understanding of spray pyrolysis techniques
  • Knowledge of sol-gel processes
  • Familiarity with tungsten ethoxide and titanium ethoxide as precursors
  • Experience with thin film deposition on glass substrates
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jkus
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Hi
I want to prepare thin films of WO3 by spray pyrolysis (thermal decomposiiotn) onto the glass substrates. After I want to deposit composite TiO2/WO3 thin films by the same technique. I have already prepared TiO2 thin films from methanolic solution. Now to prepare Composite film, it is necessary that the precursors of TiO2 and WO3 should have one common solvent in which they could dissolve completely. So I need one common non-aqueous solvent for WO3 and TiO2.

Any help would be appreciated
 
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Change your tungsten and titanium source to the ethoxide (tungsten ethoxide and titanium ethoxide) and use the sol gel process. Pyrolysis of the sol-gel coating will give you the result you are looking for.
 
Didn't I see you post this query over on ScienceMadness?
 

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