Small-Angle Neutron Scattering Study of Graphene-Nanodiamond Composites for Biosensor and Electronic Applications

Authors:
Yu. V. Kulvelis, M. K. Rabchinskii, A. T. Dideikin, A. D. Trofimuk, A. V. Shvidchenko, D. A. Kirilenko, M. V. Gudkov, and A. I. Kuklin
Authors from CMD:
The year of the publication:
2021
Journal:
Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques N 5 vol. 15 896–898
Keywords:
graphene oxide, detonation nanodiamonds, small-angle neutron scattering
Abstract:

A structural study of graphene oxide complexes with detonation nanodiamonds (particle size 4–5 nm, positive surface potential) in aqueous suspensions by small-angle neutron scattering is reported. While the pure graphene oxide suspension exhibits a completely planar structure, the grafting of detonation nanodiamond particles results in a slightly curved surface of the graphene oxide flakes. The complexes “graphene oxide–detonation nanodiamonds” washed out from free detonation nanodiamonds show that the effective curvature of the graphene oxide plane is the result of binding of detonation nanodiamonds in the form of planar aggregates.

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