Comparative study on the electrocatalytic activities of ordered mesoporous carbons and graphene
In this work, a comparative study on the electrocatalytic activities of ordered mesoporous carbons (OMCs) and graphene (GR) is presented. Using voltammetry and amperometry as detection methods, four DNA bases, double-stranded DNA (dsDNA), six important electroactive compounds and various biomolecule...
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| Veröffentlicht in: | Electrochimica acta 2011-03, Vol.56 (8), p.3042-3048 |
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| container_title | Electrochimica acta |
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| creator | Wang, Huan Qi, Bin Lu, Baoping Bo, Xiangjie Guo, Liping |
| description | In this work, a comparative study on the electrocatalytic activities of ordered mesoporous carbons (OMCs) and graphene (GR) is presented. Using voltammetry and amperometry as detection methods, four DNA bases, double-stranded DNA (dsDNA), six important electroactive compounds and various biomolecules were employed to investigate their electrochemical responses on OMC and GR modified glassy carbon electrodes (OMC/GCE and GR/GCE). The results show that OMC/GCE enhances the electron transfer kinetics of these compounds compared to GR/GCE. The discrepancy in electrochemical activities can be attributed to the different microstructures of OMC and GR, which were examined by transmission electron microscopy, X-ray photoelectron spectra, X-ray diffraction, Raman spectra and nitrogen adsorption–desorption. |
| doi_str_mv | 10.1016/j.electacta.2010.12.099 |
| format | Article |
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Using voltammetry and amperometry as detection methods, four DNA bases, double-stranded DNA (dsDNA), six important electroactive compounds and various biomolecules were employed to investigate their electrochemical responses on OMC and GR modified glassy carbon electrodes (OMC/GCE and GR/GCE). The results show that OMC/GCE enhances the electron transfer kinetics of these compounds compared to GR/GCE. The discrepancy in electrochemical activities can be attributed to the different microstructures of OMC and GR, which were examined by transmission electron microscopy, X-ray photoelectron spectra, X-ray diffraction, Raman spectra and nitrogen adsorption–desorption.</description><identifier>ISSN: 0013-4686</identifier><identifier>EISSN: 1873-3859</identifier><identifier>DOI: 10.1016/j.electacta.2010.12.099</identifier><identifier>CODEN: ELCAAV</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Analytical biochemistry: general aspects, technics, instrumentation ; Analytical chemistry ; Analytical, structural and metabolic biochemistry ; Biological and medical sciences ; Carbon ; Chemistry ; Comparative study ; Deoxyribonucleic acid ; Diffraction ; Electrical measurements ; Electrocatalytic activities ; Electrochemical methods ; Electrodes ; Exact sciences and technology ; Fundamental and applied biological sciences. 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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Analytical biochemistry: general aspects, technics, instrumentation Analytical chemistry Analytical, structural and metabolic biochemistry Biological and medical sciences Carbon Chemistry Comparative study Deoxyribonucleic acid Diffraction Electrical measurements Electrocatalytic activities Electrochemical methods Electrodes Exact sciences and technology Fundamental and applied biological sciences. Psychology Graphene Microstructure Ordered mesoporous carbons Spectra X-rays |
| title | Comparative study on the electrocatalytic activities of ordered mesoporous carbons and graphene |
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