I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear explanation with any reference will be appreciated.
Dear Manga Raju Imandi many thanks indeed for the interesting question. In my understanding regarding the transition metal salt precursors, it makes no difference whether to use the chloride, nitrate or sulfate salts as long as they are soluble in the respective solvent. In fact, I found two very interesting relevant references describing the synthesis of transition metal-doped titanium dioxide via the sol-gel method. In one of them the metal nitrate is used, and in the other the metal sulfate. Thus I think that you are more or less free to choose among the three types of salts.
Here are the two interesting articles:
1. Synthesis and study of Transition Metal Doped Titanium Dioxide Nanoparticles
Article Synthesis and study of Transition Metal Doped Titanium Dioxi...
and
2. Synthesis of iron doped titanium dioxide by sol-gel method for magnetic applications
Article Synthesis of iron doped titanium dioxide by sol-gel method f...
Both articles are freely available as public full texts on ResearchGate.
Dear Manga Raju Imandi many thanks indeed for the interesting question. In my understanding regarding the transition metal salt precursors, it makes no difference whether to use the chloride, nitrate or sulfate salts as long as they are soluble in the respective solvent. In fact, I found two very interesting relevant references describing the synthesis of transition metal-doped titanium dioxide via the sol-gel method. In one of them the metal nitrate is used, and in the other the metal sulfate. Thus I think that you are more or less free to choose among the three types of salts.
Here are the two interesting articles:
1. Synthesis and study of Transition Metal Doped Titanium Dioxide Nanoparticles
Article Synthesis and study of Transition Metal Doped Titanium Dioxi...
and
2. Synthesis of iron doped titanium dioxide by sol-gel method for magnetic applications
Article Synthesis of iron doped titanium dioxide by sol-gel method f...
Both articles are freely available as public full texts on ResearchGate.
I go for ZnCl2. They increase conductivity of the aqueous mixture.
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