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从分子水平上理解电子传递中电活性基团的结构变化能够直接促进我们对电化学、分子/纳米电子学、生命过程中电子传递的认识。表面电化学是经典的宏观实验方法,从宏观的实验数据中也可以了解分子结构和电活性基团所处微环境的信息。对此,本文从表面电化学的转移系数、表观转移电子数和重组能三个方面进行了介绍。表面电化学的转移系数的变化规律可以用来指示分子间的相互作用,表观转移电子数能够给出生物大分子基团间的连接信息,重组能可以反应出电活性中心溶剂化环境的变化。本文旨在充分发挥宏观实验方法在分子电化学方面的研究价值。
Understanding the structural changes of electron-reactive groups in the electron transfer at the molecular level can directly contribute to our understanding of the electron transfer in electrochemical, molecular / nanoelectronics, and life processes. Surface electrochemistry is a classical macroscopic experimental method. From the macroscopic experimental data, it is also possible to understand the molecular structure and the information about the microenvironment in which the electroactive groups are located. In this paper, the electrochemical surface transfer coefficient, apparent transfer electron number and recombination energy are introduced in three aspects. The variation law of the surface electrochemical transfer coefficient can be used to indicate the intermolecular interactions. The apparent number of transferred electrons can give the connection information between the biological macromolecular groups. The reorganization energy can reflect the change of the solvating environment of the electroactive center . This article aims to give full play to macroscopic experimental methods in molecular electrochemical research value.