We have conjugated a polymer with nano particles. The CHNS analysis revealed that a number of around 25 nano particles were conjugated with each polymer. Now, I want to know if it is a core-shell (decorated) or necklace (bead) structure. Which analysis do you suggest?
I would recommend SEM analysis to check for the morphology of the structure. Further you can measure the variation in conductivity before and after conjugation. If it is a conjugated structure then the extent of conjugation can be made out from bathochromic shift (red shift) observed in UV spectrum.
Structure aside. The size of the formulation would be different from EM analysis and being in solution as polymers swell. Swollen polymer can block NP active sites. Chemical structure and functional structure will be different
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