Urchin-like Ag nanowires as non-enzymatic hydrogen peroxide sensor

Wei Han Hsiao; Hsin Yu Chen; Ta Ming Cheng; Ting Kai Huang; Yu Liang Chen; Chi Young Lee; Hsin Tien Chiu

doi:10.1002/jccs.201100500

Urchin-like Ag nanowires as non-enzymatic hydrogen peroxide sensor

Wei Han Hsiao, Hsin Yu Chen, Ta Ming Cheng, Ting Kai Huang, Yu Liang Chen, Chi Young Lee, Hsin Tien Chiu^*

^*Corresponding author for this work

Research output: Contribution to journal › Journal Article › peer-review

17 Scopus citations

Abstract

Urchin-like Ag nanowires were prepared by reacting AgNO ₃(aq) with Cu metal in the presence of cetyltrimethylammonium chloride and HNO ₃(aq) on a screen printed carbon electrode at room temperature. The diameters of the nanowires were about 100 nm, while the lengths were up to 10 μm. Cyclic voltammetric experiments using the Ag nanowires as the working electrode showed electrocatalytic H ₂O ₂ reduction. The electrode exhibited a high sensitivity of 4705 μAmM ^-1mg ^-1cm ^-2 from 50 μMto 10.35 mM and a measurable detection limit of 10 μM in amperometric detection. This is the first report on Ag NWs for non-enzymatic H ₂O ₂ sensing.

Original language	English
Pages (from-to)	500-506
Number of pages	7
Journal	Journal of the Chinese Chemical Society
Volume	59
Issue number	4
DOIs	https://doi.org/10.1002/jccs.201100500
State	Published - 04 2012
Externally published	Yes

Keywords

Ag nanowire
Amperometric sensor
H O

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10.1002/jccs.201100500

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title = "Urchin-like Ag nanowires as non-enzymatic hydrogen peroxide sensor",

abstract = "Urchin-like Ag nanowires were prepared by reacting AgNO 3(aq) with Cu metal in the presence of cetyltrimethylammonium chloride and HNO 3(aq) on a screen printed carbon electrode at room temperature. The diameters of the nanowires were about 100 nm, while the lengths were up to 10 μm. Cyclic voltammetric experiments using the Ag nanowires as the working electrode showed electrocatalytic H 2O 2 reduction. The electrode exhibited a high sensitivity of 4705 μAmM -1mg -1cm -2 from 50 μMto 10.35 mM and a measurable detection limit of 10 μM in amperometric detection. This is the first report on Ag NWs for non-enzymatic H 2O 2 sensing.",

keywords = "Ag nanowire, Amperometric sensor, H O",

author = "Hsiao, {Wei Han} and Chen, {Hsin Yu} and Cheng, {Ta Ming} and Huang, {Ting Kai} and Chen, {Yu Liang} and Lee, {Chi Young} and Chiu, {Hsin Tien}",

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AU - Hsiao, Wei Han

AU - Chen, Hsin Yu

AU - Cheng, Ta Ming

AU - Huang, Ting Kai

AU - Chen, Yu Liang

AU - Lee, Chi Young

AU - Chiu, Hsin Tien

PY - 2012/4

Y1 - 2012/4

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AB - Urchin-like Ag nanowires were prepared by reacting AgNO 3(aq) with Cu metal in the presence of cetyltrimethylammonium chloride and HNO 3(aq) on a screen printed carbon electrode at room temperature. The diameters of the nanowires were about 100 nm, while the lengths were up to 10 μm. Cyclic voltammetric experiments using the Ag nanowires as the working electrode showed electrocatalytic H 2O 2 reduction. The electrode exhibited a high sensitivity of 4705 μAmM -1mg -1cm -2 from 50 μMto 10.35 mM and a measurable detection limit of 10 μM in amperometric detection. This is the first report on Ag NWs for non-enzymatic H 2O 2 sensing.

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Urchin-like Ag nanowires as non-enzymatic hydrogen peroxide sensor

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Keywords

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