Abstract
Chemically-reduced graphene oxide (CR-GO) was obtained by reduction of graphene oxide in solution of hydrazine hydrate and ammonium hydroxide solution. AFM and Raman spectra indicated the formation of single-layer CR-GO nanosheets. By using the drop-cast method, multi-walled carbon nanotube (MWCNT)-CR-GO hybrid film was fabricated by transferring the synthesized CR-GO onto the top surface of MWCNT arrays. The electrical and thermal conductivity of the MWCNT-CR-GO hybrid material are also investigated. It was found that the additional layer of graphene on MWNCT reduces the thermal conductance between MWCNT and graphene induced by their non-covalent interface.
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