▎ 摘　　要

NOVELTY - Composition comprises: a functionalized nanodiamond; a functionalized graphene and/or functionalized graphene oxide, where the functionalized nanodiamond and functionalized graphene and/or functionalized graphene oxide are attached via electrostatic interactions. USE - The composition is useful: for preparing the hybrid nanomaterial; and in a device (all claimed), where the hybrid nanomaterial is useful in electronics applications (e.g. high-power electronic systems and applications), hardware, interface, substrates, computers, heating, ventilation, and air conditioning (HVAC) industries, food industry, heat exchangers, aerospace industries, batteries, single chip package, electronic packaging, LED devices, 3-dimensional chip stack assembly and packaging, automotive industry electronic control units, and renewable energy technologies. ADVANTAGE - The composition: exhibits thermal conductivity of greater than 8 (preferably 1-10) W/mK (claimed); utilizes the graphene that enhances the thermal and electrical conducting properties of thermal polymer; and provides the hybrid nanomaterial and/or composite material that have reduced thermal stress and/or reduced the thermal stress in devices and are cost-effective ads compared to conventional materials and increase the thermal conductivity of a polymer. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing a hybrid nanomaterial, comprising functionalizing a nanodiamond forming a functionalized nanodiamond, functionalizing graphene or graphene oxide forming a functionalized graphene or functionalized graphene oxide, and reacting the functionalized nanodiamond and the functionalized graphene or functionalized graphene oxide to form a hybrid nanomaterial.