期刊
ANALYTICAL SCIENCES
卷 26, 期 4, 页码 431-435出版社
JAPAN SOC ANALYTICAL CHEMISTRY
DOI: 10.2116/analsci.26.431
关键词
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资金
- Research Grants Council of Hong Kong [201804P]
- Natural Science Foundation of Shaanxi Province in China [2009JM2004]
- Scientific Research Plan Projects of Shaanxi Provincial Department of Education [09JK756]
Prussian blue (PB) was deposited on multi-walled carbon nanotubes (MWCNT) in an aqueous solution. Multi-layer composites of the MWCNT-PB hybride material were obtained by layer-by-layer assembly with poly(diallyldimethylammonium chloride) (PDDA). The resulting {PDDA/MWCNT-PB}(n) multilayer films immoblized on glassy carbon electrodes showed sensitive detection for the reduction of hydrogen peroxide. A sensor based on the {PDDA/MWCNT-PB}(n) multilayer structure was fabricated and showed excellent sensitivity to the electrochemical reduction of hydrogen peroxide. Its response sensitivity increased with the number of the multilayers. A high response sensitivity of 0.83 mA M-1 cm(-2) was obtained for a seven-layer sensor. This redox active multilayer structure offers potential applications in the development of high performance biosensors and biofuel cells.
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