【作者】 董凤霞； 郑莹光； 郑海鹏； 张瑞丰； 沈家聪；

【Author】 Dong Fengxia Zheng Yingguang (The Center of Analysis and Testing,jilin University,Changchun,120023) Zheng Haipeng Zhang Ruifeng Shen Jiacong (Key Laboratory for Supramolecular Structure and Spectroscopy,Depar tmentof Chemistry,Jilin University,Changchun,130023)

【机构】 吉林大学分析测试中心； 吉林大学超分子结构与谱学开放实验室、化学系；

【摘要】 <正>通过ESR信号的变化,可以灵敏地检测一些特定体系中的电子转移过程,本文主要研究聚N.N-二甲基苯胺(PDMA)和1.1-二苯基苦基肼基(DPPH)之间的相互作用,实验结果表明了电子是从PDMA分子的N原子上转移到DPPH分子的N原子上的过程。更多还原

【Abstract】 Electron spin resonance(ESR)is a sensitive tool to detect the electron-transfer processes in some specified systems from the change of the ESR signals.In this paper,the interaction be- tween poly(N,N-dimethylaniline)(PDMA)and 1,1-diphenyl-2-picrylhydrazyl(DPPH)was investigated by ESR spectra based on the stability of their radicals in ethanol,h is shown that an electron-transfer process occurs from nitrogen atoms of PDMA molecules to those of DPPH molecules which makes PDMA form more stable radical cations and eliminates the radicals on DPPH.更多还原