芳香胺与电子受体相互作用形成的电荷转移复合物(CTC)的吸收峰位置与两者的结构有关。弱的电子受体使芳胺紫外吸收峰加宽,而强的电子受体如四氰基乙烯(TCNE)与芳胺作用产生的CTC显示新峰。受体的受电子能力越强,新峰红移越多。芳胺苯环上氨基对位的取代基给电子能力越强,氮原子上烷基取代基越多,其与受体形成的CTC的吸收峰红移也越多。 The positions of the absorption peaks of the charge-transfer complex (CTC) formed by the interaction of aromatic amines and electron acceptors are related to the structure of the two. The weak electron acceptors broaden the aromatic amine UV absorbance peaks, whereas the CTCs produced by strong electron acceptors such as tetracyanoethylene (TCNE) and aromatic amines show a new peak. Recipient of the stronger the electron capacity, the new peak redshift more. Aromatic amine benzene ring para-amino substituents to give the stronger the ability of electrons, the more alkyl substituents on the nitrogen atom, and its receptor with the formation of CTC redshift absorption more.