Synthesis and hole transport property of a novel triphenylamine substituted stilbene derivative

A novel hole transport material (HTM) of triphenylamine substituted stilbene derivative of 4,4′-bis-[2-[4-[N-(phenyl-4-methoxyphenyl)-amino]-phenyl-1-yl]-vinyl-1-yl]-1,1′-biphenyl (DSPAVBi) was synthesized. The chemical structure was characterized by IR spectrum, 1H NMR spectroscopy and elemental analysis. The electronic structure was studied by UV–vis absorption and cyclic voltammetry methods. The photosensitivity of the dual-layer photoreceptor containing oxotitanium phthalocyanine (TiOPC) as the charge generation material (CGM) and DSPAVBi as the charge transportation material (CTM) was higher than that containing its parent compound 4,4′-bis-[2-[4-(N,N-diphenylamino)-phenyl-1-yl]-vinyl-1-yl]-1,1′-biphenyl (DPAVBi) as CTM, in agreement with the results calculated with semi-empirical PM3 method.