期刊
ELECTROCHIMICA ACTA
卷 53, 期 11, 页码 3948-3954出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2007.10.027
关键词
single-walled carbon nanotubes; modified electrode; electropolymerization; polypyrrole; nanostructured frameworks
Single-walled carbon nanotubes (SWCNTs) have been functionalized by electropolymerizable pyrrole groups following covalent and non-covalent strategies. The covalent pyrrole grafting was carried out by ester formation between pyrrole alcohol and chemically oxidized SWCNT. The strong pi-interactions between pyrene and SWCNT were exploited for the non-covalent adsorption of a new pyrene-pyrrole derivative on the pristine nanotube surface. The pyrrole-ester-SWCNT was solubilized in THIF and electropolymerized by controlled potential electrolysis at 0.95 V. The pyrene-pyrrole SWCNT was spread on an electrode surface and electropolymerized in its adsorbed state at 0.95 V in CH3CN. The reinforced nanostructured polypyrrole SWCNT-framework was investigated with scanning electron microscopy. (C) 2007 Elsevier Ltd. All rights reserved.
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