Covalent modification of glassy carbon surfaces by using electrochemical and solid-phase synthetic methodologies: application to bi- and trifunctionalisation with different redox centres.
Covalent modification of glassy carbon surfaces by using electrochemical and solid-phase synthetic methodologies: application to bi- and trifunctionalisation with different redox centres.
复制标题
使用电化学和固相合成方法对玻璃碳表面进行共价修饰:应用于不同氧化还原中心的双官能化和三官能化。
DOI:
10.1002/chem.200901135
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发表时间:
2009
期刊:
影响因子:
--
通讯作者:
Chrétien JM
中科院分区:
文献类型:
--
作者:
Chrétien JM
Glassy carbon electrodes functionalised with two redox centres have been prepared by using electrochemical and solid‐phase synthetic methodologies. Initially the individual coupling of anthraquinone, nitrobenzene and dihydroxybenzene to a glassy carbon electrode bearing an ethylenediamine linker was optimised by using different coupling agents and conditions. Bifunctionalisation was then carried out, either simultaneously, with a mixture of nitrobenzene and dihydroxybenzene, or sequentially, with anthraquinone then nitrobenzene and with anthraquinone then dihydroxybenzene. Characterisation of these electrodes by cyclic voltammetry and differential pulse voltammetry clearly proved the attachment of the pairs of redox centres to the glassy carbon electrode. Their partial surface coverages can be controlled by varying the coupling agent or by controlling the substrate concentration during the solid‐phase coupling process. Trifunctionalisation was also realised according to this methodology.
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期刊:
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