Citation: Ling Ling WU, Jin LUO, Zhong Hua LIN. Spectroelectrochemical Studies on Poly-o-phenylenediamine 1. In-situ Resonance Raman Spectroscopy[J]. Chinese Chemical Letters, ;1997, 8(2): 171-174. shu

Spectroelectrochemical Studies on Poly-o-phenylenediamine 1. In-situ Resonance Raman Spectroscopy

State Key Laboratory for Physical Chemistry of the Solid Surface, Department of Chemistry, Xiamen University, Xiamen 361005

Received Date: 1 March 1996

Fund Project: We are grateful to Prof Tian Zhongqm and Mr. Gao Jingsong for the assistance with Raman experiments. This project was supported by the National Natural Science Foundation of China.

The structure of poly-o-phenylenediamine in the redox process has been studied using in-situ resonance Raman spectroscopy,in-situ UV-Vis subtractive reflectance spectroscopy and cyclic voltammetry.The results show that the structure of PoPD is dominated by a ladder polymer with phenazine rings,and at least three structures of PoPD are formed in the redox process.The three kinds of PoPD have different resonance enhancement effect,and the electronic structure of PoPD molecule is influenced obviously by protonation.The results also show that the most stable state of PoPD is its semi-oxidized state.
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