Synthesis and electrochemical properties of mesoporous titanium oxide with polythiophene nanowires in the pores

被引:6
|
作者
Smith, Luke A. C. [1 ]
Romer, Frederik [2 ]
Trudeau, Michel L. [3 ]
Major, Rosa M. Souto [4 ]
Smith, Mark E. [5 ]
Hanna, John V. [2 ]
Antonelli, David M. [1 ]
机构
[1] Univ South Wales, Sustainable Environm Res Ctr, Pontypridd CF37 1DL, M Glam, Wales
[2] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England
[3] Hydro Quebec Res Inst, Varennes, PQ J3X 1S1, Canada
[4] Univ Fed Pernambuco, Dept Quim Fundamental, BR-50740560 Recife, PE, Brazil
[5] Univ Lancaster, Vice Chancellours Off, Lancaster LA1 4YW, England
基金
英国工程与自然科学研究理事会;
关键词
Mesoporous transition metal oxide; High surface area; Electron conductivity; Electron conducting polymers; Electrochemical properties; DOUBLE-LAYER CAPACITANCE; ELECTRICAL-CONDUCTIVITY; LITHIUM BATTERIES; METAL; PSEUDOCAPACITANCE; CATHODE; NMR; SURFACTANTS; TRANSITION; POLYMERS;
D O I
10.1016/j.micromeso.2014.03.037
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
This paper describes the synthesis and characterisation of amine-templated mesoporous titanium oxide with polythiophene nanowires in the pores. These materials were designed to improve the electron conductivity of the ca. 1000 m(2)/g mesostructure in order to exploit the redox sites within the pores. An in depth characterisation of the synthesised composites including an electrochemical assessment of these materials is presented, and compared to the pristine mesoporous titanium oxide. The results demonstrate successful synthesis of conducting nanowires within the pores of the mesoporous titanium oxides by utilising vapour diffusion and subsequent in situ polymerisation, whilst retaining the mesostructure of the titanium oxide host. The mesoporous titanium oxide produced a peak capacity of 301 mAh/g at current densities of 0.2 mA cm(-2). The polythiophene nanowires improve the conductivity of the material with a slight drop in capacity. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码:52 / 59
页数:8
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