Fabrication of network films of conducting polymer-linked polyoxometallate-stabilized carbon nanostructures

被引:93
作者
Kulesza, PJ
Skunik, M
Baranowska, B
Miecznikowski, K
Chojak, M
Karnicka, K
Frackowiak, E
Béguin, F
Kuhn, A
Delville, MH
Starobrzynska, B
Ernst, A
机构
[1] Univ Warsaw, Dept Chem, PL-02093 Warsaw, Poland
[2] Poznan Univ Tech, ICTE, PL-60965 Poznan, Poland
[3] Univ Orleans, CNRS, CRMD, F-45071 Orleans 02, France
[4] Ecole Natl Super Chim & Phys Bordeaux, Lab Anal Chim Reconnaissance Mol, F-33607 Pessac, France
[5] Inst Chim Mat Condensee Bordeaux, F-33608 Pessac, France
关键词
phosphomolybdate; monolayers; carbon nanoparticles; multi-walled carbon nanotubes; poly(3,4-ethylenedioxythiophene); polyaniline; organized multilayers; hybrid films; organic-inorganic composites;
D O I
10.1016/j.electacta.2005.06.041
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
The ability of a Keggin-type polyoxometal late, phosphododecamolybdate (PMo12O403-), to form stable anionic monolayers on carbon nanoparticles and multi-wall nanotubes is explored here to produce stable colloidal solutions of polyoxometallate covered carbon nanostructures and to disperse them within conducting polymer, poly(3,4-ethylenedioxythiophene), i.e. PEDOT, or polyaniline multilayer films. By repeated alternate treatments in the colloidal suspension of PMo(12)O(40)(3-)protected carbon nanoparticles or nanotubes, and in the acid solution of a monomer (3,4-ethylenedioxythiophene or aniline), the amount of the material can be increased systematically (layer-by-layer) to form stable three-dimensional organized arrangements (networks) of interconnected organic and inorganic layers on electrode (e.g. glassy carbon) surfaces. In hybrid films, the negatively charged polyoxometallate-covered carbon nanostructures interact electrostatically with positively charged conducting polymer ultra-thin layers. Consequently, the attractive electrochemical charging properties of conducting polymers, reversible redox behavior of polyoxometallate, as well as the mechanical and electrical properties of carbon nanoparticles or nanotubes can be combined. The films are characterized by fast dynamics of charge transport, and they are of potential importance to electrocatalysis and charge storage in redox capacitors. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2373 / 2379
页数:7
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