Structural Correlations in Heterogeneous Electron Transfer at Monolayer and Multilayer Graphene Electrodes

被引：146

作者：

Gueell, Aleix G. ^{[1
]}

Ebejer, Neil ^{[1
]}

Snowden, Michael E. ^{[1
]}

Macpherson, Julie V. ^{[1
]}

Unwin, Patrick R. ^{[1
]}

机构：

[1] Univ Warwick, Dept Chem, Coventry CV4 7AL, W Midlands, England

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2012年 / 134卷 / 17期

基金：

欧洲研究理事会; 英国工程与自然科学研究理事会;

关键词：

WALLED CARBON NANOTUBES; ELECTROCHEMICAL-CELL MICROSCOPY; CHEMICAL-VAPOR-DEPOSITION; FEW-LAYER GRAPHENE; QUANTUM CAPACITANCE; RAMAN-SPECTROSCOPY; FILMS;

D O I：

10.1021/ja3014902

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

As a new form of carbon, graphene is attracting intense interest as an electrode material with widespread applications. In the present study, the heterogeneous electron transfer (ET) activity of graphene is investigated using scanning electrochemical cell microscopy (SECCM), which allows electrochemical currents to be mapped at high spatial resolution across a surface for correlation with the corresponding structure and properties of the graphene surface. We establish that the rate of heterogeneous ET at graphene increases systematically with the number of graphene layers, and show that the stacking in multilayers also has a subtle influence on ET kinetics.

引用

页码：7258 / 7261

页数：4

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