Synthesis and Characterization of Carboxymethyl κ-Carrageenan for Dye-Sensitized Solar Cells Application

被引：2
|
作者：
Mobarak, N. N. [1 ]
Ramli, N. [1 ]
Ahmad, A. [1 ]
机构：
[1] Univ Kebangsaan Malaysia, Sch Chem Sci & Food Technol, Fac Sci & Technol, Bangi 43600, Selangor Darul, Malaysia
来源：
SOLID STATE SCIENCE AND TECHNOLOGY XXVI | 2012年 / 501卷
关键词：
Carrageenan; Carboxymethyl carrageenan; polymer electrolyte; SPECTROSCOPY; DERIVATIVES;
D O I：
10.4028/www.scientific.net/AMR.501.242
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
kappa-Carrageenan is an anionic polymer extracted from marine red algae. In order to increase conductivity of the kappa-carrageenan, carboxymethyl kappa-carrageenan was synthesized by the reaction of kappa-carrageenan with monochloroacetic acid. A polymer electrolyte comprising kappa-carrageenan and carboxymethyl kappa-carrageenan was prepared by solution-casting technique. The films were characterized by Reflection Fourier Transform Infrared spectroscopy (ATR-FTIR) to investigate the presence of the complexes. Electrochemical Impedance Spectroscopy was conducted to obtain ionic conductivity. Ionic conductivity was found to increase with the addition of carboxymethyl group on carrageenan. The conductivity achieved for kappa-carrageenan and carboxymethyl kappa-carrageenan were 5.34x10(-7) S cm(-1) and 2.02x10(-4) S cm(-1), respectively.
引用
收藏
页码：242 / 246
页数：5
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