A facile synthetic strategy for mesoporous crystalline copper-polyaniline composite

被引:45
作者
Divya, V. [1 ]
Sangaranarayanan, M. V. [1 ]
机构
[1] Indian Inst Technol, Dept Chem, Madras 600036, Tamil Nadu, India
关键词
Copper-polyaniline composite; Mesoporous; Crystalline; Pernigraniline; EMERALDINE BASE; PERNIGRANILINE; OXIDATION; FILMS; GOLD; NANOCOMPOSITE; NANOPARTICLES; FABRICATION; TRANSITION; SENSORS;
D O I
10.1016/j.eurpolymj.2011.12.009
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A facile and novel strategy for preparing mesoporous crystalline copper-polyaniline composite is reported wherein the reaction is carried out at room temperature using copper nitrate as the oxidizing agent and methanol as the solvent. The composite obtained as a precipitate has been characterized using UV-visible absorption spectroscopy (UV-vis), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), nitrogen adsorption-desorption method, Barrett-Joyner-Halenda (BJH) method, Brunauer-Emmett-Teller method (BET) and thermogravimetric analysis (TGA). The XRD studies in conjunction with the BJH method reveals that the composite has crystalline nature with a mesoporous structure and has a diameter of 3.5 nm. The specific surface area of copper-polyaniline composite is estimated to be as high as 63.2 m(2) g(-1) using the BET surface area plot. The characterization of the filtrate indicates the presence of pernigraniline with a very small weight percent of copper. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:560 / 568
页数:9
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