四-(三氟乙烷氧基)酞菁锌在非水与水溶剂中的电化学性能

doi:10.61558/2993-074X.2072

电化学（中英文） ›› 2010, Vol. 16 ›› Issue (4): 460-464. doi: 10.61558/2993-074X.2072

四-(三氟乙烷氧基)酞菁锌在非水与水溶剂中的电化学性能

吴晓珊;黄丽英;张锦雀;朱善岚;

福建医科大学药学院;

收稿日期:2010-11-28 修回日期:2010-11-28 出版日期:2010-11-28 发布日期:2010-11-28

Electrochemical Performance of Zinc Tetra (Trifluoroethoxy) Phthalocyaninate in Aqueous and Nonaqueous Solvents

WU Xiao-shan,HUANG Li-ying,ZHANG Jin-que,ZHU Shan-lan

(College of Pharmaceutical,Fujian Medical University,Fuzhou 350004,China

Received:2010-11-28 Revised:2010-11-28 Published:2010-11-28 Online:2010-11-28

摘要/Abstract

摘要： 分别测定四-(三氟乙烷氧基)酞菁锌(ZnPcF)于非水溶剂N,N-二甲基甲酰胺(DMF)、二甲基亚砜(DMSO)及磷酸盐缓冲溶液(PBS)中玻碳(GC,抛光)电极的循环伏安行为.结果表明,ZnPcF在DMF及DMSO溶剂均呈现4对电流峰,半波电位分别为0.558、-0.761、-1.034和-1.417 V,显示该物存在4个准可逆酞菁配体的单电子转移过程.而在PBS溶液中,ZnPcF乳化液仅呈现两个电流峰,半波电位为-0.885和-1.104 V,为不可逆反应特征,与酞菁锌(ZnPc未取代)相比,由于其周边取代基—三氟乙烷氧基的吸电子作用,导致氧化还原电位正移.

关键词: 四-(三氟乙烷氧基)酞菁锌, 电化学, 循环伏安法, 光敏剂

Abstract: The cyclic voltammetric performance of ZnPcF in N,N-dimethylformaide(DMF),dimethyl sulfoxide(DMSO) solution and phosphate buffer solutions(PBS) has been examined.The results showed that four pairs of redox peaks appeared in nonaqueous solvents,and the values of half-wave redox potential were 0.558 V,-0.761 V,-1.034 V,-1.417 V,respectively,exhibiting four quasi-reversible phthalocyanine ligand based one-electron transfers.In PBS only two redox peaks were observed and the values of half-wave redox potential were-0.885 V,-1.104 V,exhibiting irreversible behavior characteristics.Comparing to the zinc phthalocyanine(unsubstitute ZnPc),introducing electron-withdrawing groups-trifluoroethoxyl to the peripheral sites of the phthalocyanines shifts the redox processes of the complex toward positive potentials.

Key words: zinc 4,8,12,16-tetra(trifluoroethoxy) phthalocyaninate(ZnPcF), electrochemistry, cyclic voltammetry, sensitizer

中图分类号:

O646

吴晓珊, 黄丽英, 张锦雀, 朱善岚, . 四-(三氟乙烷氧基)酞菁锌在非水与水溶剂中的电化学性能[J]. 电化学（中英文）, 2010, 16(4): 460-464.

WU Xiao-shan, HUANG Li-ying, ZHANG Jin-que, ZHU Shan-lan. Electrochemical Performance of Zinc Tetra (Trifluoroethoxy) Phthalocyaninate in Aqueous and Nonaqueous Solvents[J]. Journal of Electrochemistry, 2010, 16(4): 460-464.

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https://electrochem.xmu.edu.cn/CN/Y2010/V16/I4/460

参考文献

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四-(三氟乙烷氧基)酞菁锌在非水与水溶剂中的电化学性能

Electrochemical Performance of Zinc Tetra (Trifluoroethoxy) Phthalocyaninate in Aqueous and Nonaqueous Solvents

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