Electrochemistry of polyamidoamine dendrimers ester gel electrolytes

作     者：CHENHong MOZunli 

作者机构：CollegeofChemistryandChemicalEngineering.NorthwestNormalUniversity.Lanzhou730070.China CollegeofMaterialsScienceandEngineering.NorthwesternPolytechnicalUniversity.Xi＇an710072.China 

出 版 物：《Rare Metals》 (稀有金属（英文版）)

年 卷 期：2004年第23卷第1期

页      面：15-19页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070305[理学-高分子化学与物理] 080501[工学-材料物理与化学] 070302[理学-分析化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 

基　　金：This work was financially supported by the National Natural Science Foundation of China (No. 29875018) the Natural Science Foundation of Gansu Province (No. ZS991-A25-008-Z) the Doctorate Foundation of Northwestern Politech-nical University (No. CX200 

主　　题：electrochemistry polymer film plasticizer cyclic voltammetry UVspectrophotometry polyamidoamine dendrimers ester (PAMAM) 

摘      要：This paper described the first example of polyamidoamine dendrimers ester(PAMAM) used as a gel electrolyte with a short-chain polyethylene glycol (MPEG-400) as aplasticizer. The polymer films are solid and sticky. Background cyclic voltammetry (CV) shows apotential window between +0.7 and -0.7 V vs. Ag/AgCl. The voltammetry of ferrocene and7,7,8,8-tetracyanoquinodimethane (TCNQ) indicates that diffusion coefficients are in the range of10^(-8) -10^(-9) cm^2/s. Ionic conductivities are approximately 10^(-6) S/cm. Similar films usingdimethyl sulfoxide (DMSO) as a plasticizer instead of MPEG-400 have demonstrated ionicconductivities of 10^(-4) S/cm and reversible voltammetry. However, UV spectropho-tometry shows that70% of the DMSO is lost under vacuum, indicating the difficulty in quantifying the DMSO contentwhen exposed to vacuum.