I would like to prepare thin films of a metal oxide using only wet chemical process (I don't want to involve any vacuum system) to overcoat my existing sample. The process temperature should be less than 200 deg C. What precursor should I select?
Look up Ellingham diagrams for clues. I do not think that Zn(OH)2 - the initial product of a sol gel process - will decompose to ZnO below 200 C.
I think you try to find out low melting metal oxide, CRC Hand book would be a useful source.
Zn(OH)2 can be dehydrolysed to give layered double hydroxides but not ZnO completely. ZnO can be prepared by solvothermal methods at boiling point of alcohol. You can prepare WO3 below 200 degree C.
Hello Arindam !
ZnO by Chemical Bath Deposition,
there are a lot of papers online , I have known of the deposition of Cu2O by some chemical wet method , but I don't know or havent seen much about this one on the literatura, but you maybe able to find something about this oxide for semiconductor applications as solar cells or radiation sensors. by CBD or SILAR.
But for sure one of the most studied metal oxides deposited by CBD (chemical Bath Deposition) is ZnO
Regards !
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