I have prepared graphite oxide from the reaction of graphite,KMnO4,H2SO4 and H3PO4.For reduction of 300 mg of GO I used 600 microlitre hydrazine hydrate and 900 microlitre ammonia...I have got good result as the Xrd peak of the RGO was around 25 degree, but do I need to perform reactions with different concentrations of hydrazine in order to know which concentration is optimum for reduction of GO. The use of ammonia is also not clear to me.....can you give some idea?
Simanta Kundu
Amount of hydrazine will vary according to the amount of functional groups present i.e. time of oxidation during GO preparation etc. So you should check with the variable amount of hydrazine and monitor the functional groups GO.
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