plz answer instantly
because Si02 has a lot of charge on its surface that generates disorder in graphene.
removing Soi02 in contact with graphene removes its disorder on the back side.
After that annealing removes adsorbates on the top side of graphene by evaporation leading to clean graphene on its both sides
I place different doping on X axis and get the following curves of efficiency parameters can someone body explain its behavior that why this increase and decrease come
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kindly answer this question
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The starting material is a finely ground powder. Some particles contain more graphene than others.
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