▎ 摘　　要

NOVELTY - The utility model claims a graphene-based chlorpyrifos molecular imprinting photo-electrochemical sensor, comprising a reference electrode, an auxiliary electrode; working electrode; the working electrode comprises a conductive glass and a composite material layer loaded on the conductive glass; the composite material layer is graphene modified by NH2-MIL-125 (Ti). The sensor is small, portable, suitable for field fast detection, high sensitivity.