Hi Pati the reaction is according to your description carried out under inert conditions at 170 degC for 12 minutes.
The nanomagnets are consisting out of iron in two oxidation states so the benzyl alcohol will do both react to be oxidized and also be the high boiling solvent which is needed.
Under normal conditions you may not be able to control the oxidation state an end with a mixture of different iron oxides instead of nanoparticles.
I performed this under normal sol-gel conditions (top middle and bottom gel ) and did not get any good reproducible results.
Best of luck with your research
Hi Pati the reaction is according to your description carried out under inert conditions at 170 degC for 12 minutes.
The nanomagnets are consisting out of iron in two oxidation states so the benzyl alcohol will do both react to be oxidized and also be the high boiling solvent which is needed.
Under normal conditions you may not be able to control the oxidation state an end with a mixture of different iron oxides instead of nanoparticles.
I performed this under normal sol-gel conditions (top middle and bottom gel ) and did not get any good reproducible results.
Best of luck with your research
Dear Mayr,
Of course the reaction occurs to give mono product at high temperature. But my doubt is will it not start forming iron oxides when it is mixed before putting into microwave?
It will depend on what the activation energy for the oxidation is like
As you use already complexated iron (3) for the reaction your complex may influence the reactivity
Therefore using microwave thermal energy is the best method to have an exact energy intake and best yields without many side products.
Cheers Norbert
Thnx Mayr
Dear frnd...
I have one more question. have you experience synthesis of doped ferrites like Mn doped Fe3O4 with microwave assisted method with alkali like NaOH as precipitating agent? If so can you tell me the route you followed?
Thnx
Sudhanshu
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