Comparative studies on electrochemical activity of graphene nanosheets and carbon nanotubes
作者： Jingfang Wang , Shunlong Yang , Deyin Guo , Ping Yu , Dan Li
DOI: 10.1016/J.ELECOM.2009.08.019
关键词: Electron transfer 、 Cyclic voltammetry 、 Carbon nanotube 、 Ascorbic acid 、 Inorganic chemistry 、 Graphene 、 Carbon 、 Redox 、 Chemistry 、 Nanosheet 、 Electrochemistry
摘要: Abstract This study compares the electrochemical activity of four kinds carbon materials, i.e. single-walled nanotubes (SWNTs), pristine graphene oxide nanosheets (GONs), chemically reduced GONs, and electrochemically with potassium ferricyanide (K3Fe(CN)6), β-nicotinamide adenine dinucleotide (NADH) ascorbic acid (AA) as redox probes. Cyclic voltammetry (CV) results demonstrate that electron transfer kinetics probes employed here at materials essentially depend on kind which processes SWNTs GONs are faster than those GONs. The different for studied could be possibly ascribed to synergetic effects surface chemistry (e.g., C/O ratio, presence quinone-like groups, charge, cleanness) conductivity materials. potentially useful understanding structure/property relationship and, based this, screening synthesizing advanced applications.
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