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@article{1491801,
author = {Lacina, Karel and Kubesa, Ondřej and Horáčková, Veronika and Moravec, Zdeněk and Kuta, Jan and Petr, Vanýsek and Skládal, Petr},
article_number = {10},
doi = {http://dx.doi.org/10.1149/2.0171810jss},
keywords = {Graphene; Graphene Oxide; Improved Hummers' Method; Electrochemical (Bio)Sensing},
language = {eng},
issn = {2162-8769},
journal = {ECS Journal of Solid State Science and Technology},
title = {Graphene Oxide from Improved Hummers' Method: Is This Material Suitable for Reproducible Electrochemical (Bio)Sensing?},
url = {http://dx.doi.org/10.1149/2.0171810jss},
volume = {7},
year = {2018}
}
TY - JOUR
ID - 1491801
AU - Lacina, Karel - Kubesa, Ondřej - Horáčková, Veronika - Moravec, Zdeněk - Kuta, Jan - Petr, Vanýsek - Skládal, Petr
PY - 2018
TI - Graphene Oxide from Improved Hummers' Method: Is This Material Suitable for Reproducible Electrochemical (Bio)Sensing?
JF - ECS Journal of Solid State Science and Technology
VL - 7
IS - 10
SP - 166-171
EP - 166-171
SN - 21628769
KW - Graphene
KW - Graphene Oxide
KW - Improved Hummers' Method
KW - Electrochemical (Bio)Sensing
UR - http://dx.doi.org/10.1149/2.0171810jss
N2 - Graphene as a superior nanomaterial is currently omnipresent and electroanalytical applications are not an exception. In this contribution, its suitability for such applications was critically assessed. We synthesized graphene oxide (GO) in five separate but identical experiments using the improved Hummers' method - well-known and extensively utilized procedure which is typically followed by various operations leading to reduced graphene oxide material. These five repeated trials were precisely controlled to keep the experimental conditions as identical as possible. The resulting five individual GO products were compared by means of elemental analysis, Raman spectroscopy, ICP-MS and AFM. The possible employment of such graphene products - electrochemically reduced GO - for electroanalytical purposes was also probed from the viewpoint of the reproducibility of modification of electrodes and the results seem disconcerting, indicating poor reproducibility. No similar study in reproducibility has been performed until now, since all previous reports always compared only different methods of preparation and only discrete experiments of preparation - repeatability has not been properly addressed.
ER -
LACINA, Karel, Ondřej KUBESA, Veronika HORÁČKOVÁ, Zdeněk MORAVEC, Jan KUTA, Vanýsek PETR and Petr SKLÁDAL. Graphene Oxide from Improved Hummers' Method: Is This Material Suitable for Reproducible Electrochemical (Bio)Sensing? \textit{ECS Journal of Solid State Science and Technology}. 2018, vol.~7, No~10, p.~166-171. ISSN~2162-8769. Available from: https://dx.doi.org/10.1149/2.0171810jss.
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