I injected aqueous solution of Co(OAC)2.4H2O over my organic film and then it was dried in air oven at 130 C for 2 h. The XPS analysis of dried sample showed the presence of Co(III), Co(II) and metal oxide signals, which means that Co(OAC)2.4H2O has decomposed to Co3O4. is it possible?
Thermal decomposition of Co(OAC)2.4H2O have been widely studied in the nitrogen or hydrogen atmosphere, and not in air.
Dear Aisan Khaligh , I think yes!
It is possible a lot of research where cobalt acetate dehydrated when heated and decomposed. For example:
Article Thermal decomposition of cobalt II acetate tetrahydrate stud...
Article Mechanism of thermal decomposition of cobalt acetate tetrahydrate
You may also refer to:
https://link.springer.com/article/10.1023%2FA%3A1010116902412
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