Electrochemical and optical properties of TiO2 nanoparticles/poly tyramine composite film

被引：33
|
作者：
Ehsani, Ali [1 ]
Adeli, Shirin [2 ]
Babaei, Ferydon [3 ]
Mostaanzadeh, Hossein [1 ]
Nasrollahzadeh, Mahmoud [1 ]
机构：
[1] Univ Qom, Fac Sci, Dept Chem, Qom, Iran
[2] KN Toosi Univ Technol, Fac Sci, Dept Chem, Tehran, Iran
[3] Univ Qom, Fac Sci, Dept Phys, Qom, Iran
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2014年 / 713卷
关键词：
Conductive polymer; Nanocomposite; TiO2; Electrosynthesis; Maxwell-Garnett theory; DFT; ELECTROCATALYTIC OXIDATION; FRACTAL DIMENSION; THIN-FILM; ELECTROSYNTHESIS; AMINOPHENOL; CONSTANTS;
D O I：
10.1016/j.jelechem.2013.12.003
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Poly tyramine (PT)/nanocrystalline TiO2 composite was electrodeposited through cyclic voltammetry scans to afford conductive polymer/TiO2 nanocomposite. The results showed a strong interaction at the interface of PT and nano-TiO2. Molecular modeling calculations were carried out for Ty polymerization with density functional theory (DFT) level using 6-31G (d,p) basis set for all atoms and Gaussian 03 program package. Furthermore, the experimental absorbance spectra of TiO2/conductive polymer nanocomposite were compared with the results from the Maxwell-Garnett theory (MGT) and the value of energy E-g = 3.75 eV of composite obtained. Compared with Ni-PT/G, Ni-TiO2-PT/G electrode shows a higher catalytic performance in the electrocatalytic oxidation of methanol. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：91 / 97
页数：7
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