ZnO quantumdots-graphene(QDs-graphene)compositewassynthesizedusingatomiclayerdeposition
method. AphotodetectorfabricatedfromtheZnOQDs-graphenecompositeandpolymersdemonstrated
high sensitivitytoUVlightwithamaximumphotoresponsivityof247A/Wat325nm.Thehigh
photoresponsivityofthisdeviceisattributedtothehighactivesurfacetovolumeratiooftheZnOQDs-
graphene composite.Inadditiontothehighphotoresponsivity,fasttransientresponsewithresponse
time ontheorderoftenthofmillisecondswasachieved,whichisattributedtohighcarriertransportand
collection efficiency throughthegraphene.