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研制了石墨烯掺杂Cs2CO3(Cs2CO3:Graphene)作为高效电子注入层、结构为ITO/N,N′-bis-(1-naphthyl)-N,N′-diphenyl-1,1′-biphenyl-4,4′-diamine(NPB)(50nm)/tris-(8-hydroxy quinoline)-aluminum Alq3(80nm)/Cs2CO3:Graphene(mss 20%1nm)/Al(120nm)的OLEDs。将其与标准器件ITO/NPB(50nm)/Alq3(80nm)/LiF(0.5nm)