Investigating the use of endogenous quinoid moieties on carbon fibre as means of developing micro pH sensors.
Investigating the use of endogenous quinoid moieties on carbon fibre as means of developing micro pH sensors.
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研究使用碳纤维上的内源醌基部分作为开发微型 pH 传感器的手段。
DOI:
10.1016/j.msec.2014.07.038
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
Anderson A
中科院分区:
文献类型:
--
作者:
Anderson A
The redox profile obtained from electrochemically oxidised carbon fibre was exploited as a foundation from which to design a reusable pH probe. X-ray photoelectron spectroscopy of the surface after anodisation revealed an increase in the population of endogenous quinone moieties. Square wave voltammograms recorded in various buffer solutions (pH 3–9) yielded a distinct and unambiguous oxidation process through which to ascribe the peak potential — with the latter found to shift in a sub-Nernstian (− 0.052 V/pH) manner. The design of a discrete 2-electrode reusable probe which provides a rapid assessment of pH is described and a preliminary characterisation of the electrochemical performance is critically assessed.
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DOI:
--
发表时间:
2012
期刊:
影响因子:
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DOI:
10.1021/la100134r
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期刊:
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DOI:
--
发表时间:
2010
期刊:
Talanta: The International Journal of Pure and Applied Analytical Chemistry
影响因子:
--
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