I have synthesized Ag-Go composite using chemical reduction method using NaBH4 as reducing agent. When I took the UV -VIS of the sample, I can observe only the characteristic peak of silver nanoparticle at around 420 nm. But, I couldn't observe any peak that determines the presence of Graphene oxide. Why is it so?
Atchaya Sundararajan
while using solvent-based uv u wont get graphene peaks... instrumentation limits to black-colored or carbon-based materials. peaks for Ag only u can get. to test graphene is there or not, take uv for graphene alone but that will also show solvent peaks. as an alternate try eds or raman
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