▎ 摘　　要

NOVELTY - A bifunctionalized graphene oxide composite material comprises graphene oxide, luminol chemiluminescent reagent containing tetrahydropyridazine-3,6-dione compound, and biomass containing ferrous protoporphyrin active center for emitting light. USE - Bifunctionalized graphene oxide composite material is used for sensor for analyzing Biological sample, food or beverage sample, drug samples, environmental samples and chemical samples (all claimed). ADVANTAGE - The bifunctionalized graphene oxide composite material has excellent luminous characteristics. DETAILED DESCRIPTION - A bifunctionalized graphene oxide composite material comprises graphene oxide, luminol chemiluminescent reagent containing tetrahydropyridazine-3,6-dione compound of formula (I), and biomass containing ferrous protoporphyrin active center for emitting light. ring A=6-14C aryl;and R1,R2=H or optionally substituted linear or branched 1-30C alkyl. At least one of NR1R2 is NH2 in end group. An INDEPENDENT CLAIM is included for manufacture of bifunctionalized graphene oxide composite material.