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采用一种新型的有机电子受体 N,N′-二 (五氟代苯基 ) - 3,4 ,9,10 -⊥四羧基二酰亚胺(DFPP) ,与空穴传输材料聚乙烯基咔唑 (PVK)掺杂复合 ,制备了单层有机光电导体 ,发现无论是在充正电还是在充负电情况下 ,该复合光电导体均表现出十分优异的光电导性能。结合 DSC、UV- Vis吸收、XPS和循环伏安等测试手段研究了 DFPP掺杂的 PVK薄膜的凝聚态、光学和电学性质 ,发现 DFPP与PVK形成了给体 -受体 (D- A)复合物 ,而且 DFPP分子可在薄膜中形成电子传输通道 ,由此使 DFPP掺杂 PVK薄膜具有高的光致激子分离效率和良好的电子传输能力
A new type of organic electron acceptor, N, N’-bis (pentafluorophenyl) -3,4,9,10-tetracarboxylic diimide (DFPP) (PVK) doped composite prepared a single organic photoconductor and found that whether the positive or negative charge in the case, the composite photoconductor showed very good photoconductivity. The condensed, optical and electrical properties of DFPP-doped PVK films were investigated by DSC, UV-Vis absorption, XPS and cyclic voltammetry. It was found that DFPP and PVK formed donor-acceptor (D- Moreover, DFPP molecules can form electron transport channels in the film, thus making the DFPP-doped PVK film have high photoinducer exciton separation efficiency and good electron transport ability