▎ 摘　　要

NOVELTY - A detector comprises quartz substrates, nanometer titanium dioxide, nano-graphene oxide, titanium dioxide/graphene oxide heterojunction composite photosensitive film, titanium dioxide/graphene oxide heterojunction composite sensitive film of interdigital electrode composed of gold, graphene oxide nanometer thin film and gold interdigital electrode. USE - Detector. ADVANTAGE - The detector has increased barrier to prevent electric transfer, improved photocurrent transfer and improved device photocurrent. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for producing detector.