CVD graphene electrochemistry: biologically relevant molecules

被引：41

作者：

Brownson, Dale A. C. ^{[1
]}

Gomez-Mingot, Maria ^{[2
,3
]}

Banks, Craig E. ^{[1
]}

机构：

[1] Manchester Metropolitan Univ, Fac Sci & Engn, Sch Sci & Environm, Div Chem & Environm Sci, Manchester M1 5GD, Lancs, England

[2] Univ Alicante, Dept Phys Chem, Alicante 03690, Spain

[3] Univ Alicante, Inst Electrochem, Alicante 03690, Spain

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2011年 / 13卷 / 45期

关键词：

GLASSY-CARBON ELECTRODES; PYROLYTIC-GRAPHITE ELECTRODE; THIN-FILM ELECTRODES; ASCORBIC-ACID; TRANSFER KINETICS; NANOTUBES; DOPAMINE; SITES;

D O I：

10.1039/c1cp22648g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We investigate the electrochemical properties of CVD grown graphene towards the detection of various biologically prevalent analytes including L-ascorbic acid (AA), dopamine hydrochloride (DA), beta-nicotinamide adenine dinucleotide (NADH), uric acid (UA) and epinephrine (EP). We find that the observed electrochemical response of the CVD-graphene towards these select analytes does not originate from the graphene, however, from various other contributions including the presence of 'graphitic islands' on the surface of the CVD-graphene which dominate its electrochemistry. In the systems studied within, it appears at best, CVD-graphene acts akin to that of an edge plane pyrolytic graphite (EPPG) electrode constructed from highly ordered pyrolytic graphite. However, in other cases, the response of the CVD-graphene is worse than that of an EPPG electrode, which is likely due to the low O/C ratio.

引用

页码：20284 / 20288

页数：5

共 38 条

[1] Stacked graphene nanofibers for electrochemical oxidation of DNA bases [J].

Ambrosi, Adriano ;

Pumera, Martin .

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2010, 12 (31) :8944-8948

[2] Exploring the electrocatalytic sites of carbon nanotubes for NADH detection: an edge plane pyrolytic graphite electrode study [J].

Banks, CE ;

Compton, RG .

ANALYST, 2005, 130 (09) :1232-1239

[3] Electrochemical cell for surface analysis [J].

Bowler, R ;

Davies, TJ ;

Hyde, ME ;

Compton, RG .

ANALYTICAL CHEMISTRY, 2005, 77 (06) :1916-1919

[4] Electrochemistry of graphene: not such a beneficial electrode material? [J].

Brownson, Dale A. C. ;

Munro, Lindsey J. ;

Kampouris, Dimitrios K. ;

Banks, Craig E. .

RSC ADVANCES, 2011, 1 (06) :978-988

[5] CVD graphene electrochemistry: the role of graphitic islands [J].

Brownson, Dale A. C. ;

Banks, Craig E. .

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2011, 13 (35) :15825-15828

[6] An overview of graphene in energy production and storage applications [J].

Brownson, Dale A. C. ;

Kampouris, Dimitrios K. ;

Banks, Craig E. .

JOURNAL OF POWER SOURCES, 2011, 196 (11) :4873-4885

[7] Graphene electrochemistry: Surfactants inherent to graphene inhibit metal analysis [J].

Brownson, Dale A. C. ;

Banks, Craig E. .

ELECTROCHEMISTRY COMMUNICATIONS, 2011, 13 (02) :111-113

[8] Graphene electrochemistry: an overview of potential applications [J].

Brownson, Dale A. C. ;

Banks, Craig E. .

ANALYST, 2010, 135 (11) :2768-2778

[9] Improved voltammetric peak separation and sensitivity of uric acid and ascorbic acid at nanoplatelets of graphitic oxide [J].

Chang, Jen-Lin ;

Chang, Kuo-Hsin ;

Hu, Chi-Chang ;

Cheng, Wan-Ling ;

Zen, Jyh-Myng .

ELECTROCHEMISTRY COMMUNICATIONS, 2010, 12 (04) :596-599

[10] Graphene-based materials in electrochemistry [J].

Chen, Da ;

Tang, Longhua ;

Li, Jinghong .

CHEMICAL SOCIETY REVIEWS, 2010, 39 (08) :3157-3180

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