▎ 摘　　要

NOVELTY - Manufacture of graphene oxide-polyvinyl alcohol composite film involves mixing graphene with organic solvent and oxidizing agent to obtain graphene oxide, adding graphene oxide to distilled water to obtain graphene-oxide suspension, mixing graphene-oxide suspension with polydopamine, dissolving polydopamine-treated graphene-oxide in polyvinyl alcohol aqueous solution, coating polydopamine-treated graphene-oxide-polyvinyl alcohol solution on polytetrafluoroethylene plate and drying. USE - Manufacture of graphene oxide-polyvinyl alcohol composite film used for measuring temperature (claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for method for measuring temperature using graphene oxide-polyvinyl alcohol composite film.