Chemically reduced graphene contains inherent metallic impurities present in parent natural and synthetic graphite
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F12%3A43893557" target="_blank" >RIV/60461373:22310/12:43893557 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1073/pnas.1205388109" target="_blank" >http://dx.doi.org/10.1073/pnas.1205388109</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1073/pnas.1205388109" target="_blank" >10.1073/pnas.1205388109</a>
Alternative languages
Result language
angličtina
Original language name
Chemically reduced graphene contains inherent metallic impurities present in parent natural and synthetic graphite
Original language description
Graphene-related materials are in the forefront of nanomaterial research. One of the most common ways to prepare graphenes is to oxidize graphite (natural or synthetic) to graphite oxide and exfoliate it to graphene oxide with consequent chemical reduction to chemically reduced graphene. Here, we show that both natural and synthetic graphite contain a large amount of metallic impurities that persist in the samples of graphite oxide after the oxidative treatment, and chemically reduced graphene after thechemical reduction. We demonstrate that, despite a substantial elimination during the oxidative treatment of graphite samples, a significant amount of impurities associated to the chemically reduced graphene materials still remain and alter their electrochemical properties dramatically. We propose a method for the purification of graphenes based on thermal treatment at 1,000 degrees C in chlorine atmosphere to reduce the effect of such impurities on the electrochemical properties. Our f
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CA - Inorganic chemistry
OECD FORD branch
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Result continuities
Project
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Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach
Others
Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Proceedings of the National Academy of Sciences of the United States of America
ISSN
0027-8424
e-ISSN
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Volume of the periodical
109
Issue of the periodical within the volume
32
Country of publishing house
US - UNITED STATES
Number of pages
6
Pages from-to
12899-12904
UT code for WoS article
000307551700021
EID of the result in the Scopus database
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