Single carbon fiber decorated with RuO 2 nanorods as a highly electrocatalytic sensing element

Minkyung Kang; Yumin Lee; Hayoung Jung; Jun Ho Shim; Nam Suk Lee; Jeong Min Baik; Sang Cheol Lee; Chongmok Lee; Youngmi Lee; Myung Hwa Kim

doi:10.1021/ac302334t

Single carbon fiber decorated with RuO ₂ nanorods as a highly electrocatalytic sensing element

Minkyung Kang, Yumin Lee, Hayoung Jung, Jun Ho Shim, Nam Suk Lee, Jeong Min Baik, Sang Cheol Lee, Chongmok Lee, Youngmi Lee, Myung Hwa Kim

Department of Chemistry & Nanoscience

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

42 Scopus citations

Abstract

We demonstrate highly efficient electocatalytic activities of single crystalline RuO ₂ nanorods grown on carbon fiber (CF), i.e., RuO ₂ nanorod-CF hybrid microelectrode, prepared by a simple thermal annealing process from the Ru(OH) ₃ precursor at 300 °C. The general electrochemical activity of a RuO ₂ nanorod-CF microelectrode represents faster electron transfer for the [Fe(CN) ₆] ^3-/4- couple than that of the bare CF microelectrode which are confirmed from the cyclic voltammetry (CV) measurement. Also, the amperometric response for the H ₂O ₂ oxidation is remarkably facilitated at the RuO ₂ nanorod-CF microelectrode by not only the enlarged surface area but the high electrocatalytic activity of the RuO ₂ nanorod material itself. Furthermore, a single microelectrode of RuO ₂ nanorod-CF exhibits the superior tolerance to Cl ^- ion poisoning unlike Pt-based electrocatalysts, indicating the promising sensor candidate in physiological conditions.

Original language	English
Pages (from-to)	9485-9491
Number of pages	7
Journal	Analytical Chemistry
Volume	84
Issue number	21
DOIs	https://doi.org/10.1021/ac302334t
State	Published - 6 Nov 2012

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@article{2bf5a09c5ae749fabe2e14fbd9752ae2,

title = "Single carbon fiber decorated with RuO 2 nanorods as a highly electrocatalytic sensing element",

abstract = "We demonstrate highly efficient electocatalytic activities of single crystalline RuO 2 nanorods grown on carbon fiber (CF), i.e., RuO 2 nanorod-CF hybrid microelectrode, prepared by a simple thermal annealing process from the Ru(OH) 3 precursor at 300 °C. The general electrochemical activity of a RuO 2 nanorod-CF microelectrode represents faster electron transfer for the [Fe(CN) 6] 3-/4- couple than that of the bare CF microelectrode which are confirmed from the cyclic voltammetry (CV) measurement. Also, the amperometric response for the H 2O 2 oxidation is remarkably facilitated at the RuO 2 nanorod-CF microelectrode by not only the enlarged surface area but the high electrocatalytic activity of the RuO 2 nanorod material itself. Furthermore, a single microelectrode of RuO 2 nanorod-CF exhibits the superior tolerance to Cl - ion poisoning unlike Pt-based electrocatalysts, indicating the promising sensor candidate in physiological conditions.",

author = "Minkyung Kang and Yumin Lee and Hayoung Jung and Shim, {Jun Ho} and Lee, {Nam Suk} and Baik, {Jeong Min} and Lee, {Sang Cheol} and Chongmok Lee and Youngmi Lee and Kim, {Myung Hwa}",

year = "2012",

month = nov,

day = "6",

doi = "10.1021/ac302334t",

language = "English",

volume = "84",

pages = "9485--9491",

journal = "Analytical Chemistry",

issn = "0003-2700",

publisher = "American Chemical Society",

number = "21",

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TY - JOUR

T1 - Single carbon fiber decorated with RuO 2 nanorods as a highly electrocatalytic sensing element

AU - Kang, Minkyung

AU - Lee, Yumin

AU - Jung, Hayoung

AU - Shim, Jun Ho

AU - Lee, Nam Suk

AU - Baik, Jeong Min

AU - Lee, Sang Cheol

AU - Lee, Chongmok

AU - Lee, Youngmi

AU - Kim, Myung Hwa

PY - 2012/11/6

Y1 - 2012/11/6

N2 - We demonstrate highly efficient electocatalytic activities of single crystalline RuO 2 nanorods grown on carbon fiber (CF), i.e., RuO 2 nanorod-CF hybrid microelectrode, prepared by a simple thermal annealing process from the Ru(OH) 3 precursor at 300 °C. The general electrochemical activity of a RuO 2 nanorod-CF microelectrode represents faster electron transfer for the [Fe(CN) 6] 3-/4- couple than that of the bare CF microelectrode which are confirmed from the cyclic voltammetry (CV) measurement. Also, the amperometric response for the H 2O 2 oxidation is remarkably facilitated at the RuO 2 nanorod-CF microelectrode by not only the enlarged surface area but the high electrocatalytic activity of the RuO 2 nanorod material itself. Furthermore, a single microelectrode of RuO 2 nanorod-CF exhibits the superior tolerance to Cl - ion poisoning unlike Pt-based electrocatalysts, indicating the promising sensor candidate in physiological conditions.

AB - We demonstrate highly efficient electocatalytic activities of single crystalline RuO 2 nanorods grown on carbon fiber (CF), i.e., RuO 2 nanorod-CF hybrid microelectrode, prepared by a simple thermal annealing process from the Ru(OH) 3 precursor at 300 °C. The general electrochemical activity of a RuO 2 nanorod-CF microelectrode represents faster electron transfer for the [Fe(CN) 6] 3-/4- couple than that of the bare CF microelectrode which are confirmed from the cyclic voltammetry (CV) measurement. Also, the amperometric response for the H 2O 2 oxidation is remarkably facilitated at the RuO 2 nanorod-CF microelectrode by not only the enlarged surface area but the high electrocatalytic activity of the RuO 2 nanorod material itself. Furthermore, a single microelectrode of RuO 2 nanorod-CF exhibits the superior tolerance to Cl - ion poisoning unlike Pt-based electrocatalysts, indicating the promising sensor candidate in physiological conditions.

UR - http://www.scopus.com/inward/record.url?scp=84868556780&partnerID=8YFLogxK

U2 - 10.1021/ac302334t

DO - 10.1021/ac302334t

M3 - Article

C2 - 23016959

AN - SCOPUS:84868556780

SN - 0003-2700

VL - 84

SP - 9485

EP - 9491

JO - Analytical Chemistry

JF - Analytical Chemistry

IS - 21

ER -

Single carbon fiber decorated with RuO 2 nanorods as a highly electrocatalytic sensing element

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Single carbon fiber decorated with RuO ₂ nanorods as a highly electrocatalytic sensing element