4P-NPB N,N'-di-(1-naphthalenyl)-N,N'-diphenyl-[1, ... '':4'',1'''-quaterphenyl]-4,4'''-diamine CAS: 948552-24-7 4P-NPBN,N'-di-(1-naphthalenyl)-N,N'-diphenyl-[1,1 ... ;Electron Blocking Materials: Ir(PPZ)3;Flourescent Host Materials: AND, 4P-NPB, α,β-ADN, α-AND, DPVBi;Phosphorescent Host Materials: CBP, mCP, TCP ... -term and stable cooperative relations with domestic and abroad clients. 4P-NPB, 948552-24-7
