期刊
ELECTROANALYSIS
卷 24, 期 9, 页码 1833-1838出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.201200240
关键词
Diazo compounds; Carbon nanotubes; Click chemistry; Grafting; X-ray photoelectron spectroscopy
资金
- Department of Science and Technology (DST)
- National Research Foundation (NRF) of South Africa through the DST/NRF South African Research Chairs Initiative for Professor of Medicinal Chemistry and Nanotechnology and Rhodes University
- DST/Mintek Nanotechnology Innovation Centre (NIC)
- Rhodes University Prestigious Scholarship
- NRF
- PROTEA Project (France-South Africa) [25828RE]
Ferrocene was covalently bonded to a layer of adsorbed single-walled carbon nanotubes on a glassy carbon electrode surface using electrochemical grafting and click chemistry. Grafting of the 4-azidobenzenediazonium salt onto the surface was accomplished by electrochemical reduction. The surface-bound azide groups, with the use of a copper(I) catalyst, were reacted with ethynylferrocene to form covalent 1,2,3-triazole bonds by click chemistry. This layer by layer construction of the electrode surface results in stable electrodes by combining good electrical conductivity and increased surface area of the nanotubes with the versatility of the Sharpless click reaction.
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