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From graphene oxide towards aminated graphene: facile synthesis, its structure and electronic properties

In this paper we present a facile method for the synthesis of aminated graphene derivative through simultaneous reduction and amination of graphene oxide via two-step liquid phase treatment with hydrobromic acid and ammonia solution in mild conditions. The amination degree of the obtained aminated r...

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Autores principales: Rabchinskii, Maxim K., Ryzhkov, Sergei A., Kirilenko, Demid A., Ulin, Nikolay V., Baidakova, Marina V., Shnitov, Vladimir V., Pavlov, Sergei I., Chumakov, Ratibor G., Stolyarova, Dina Yu., Besedina, Nadezhda A., Shvidchenko, Aleksandr V., Potorochin, Dmitrii V., Roth, Friedrich, Smirnov, Dmitry A., Gudkov, Maksim V., Brzhezinskaya, Maria, Lebedev, Oleg I., Melnikov, Valery P., Brunkov, Pavel N.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7181732/
https://www.ncbi.nlm.nih.gov/pubmed/32327708
http://dx.doi.org/10.1038/s41598-020-63935-3
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author Rabchinskii, Maxim K.
Ryzhkov, Sergei A.
Kirilenko, Demid A.
Ulin, Nikolay V.
Baidakova, Marina V.
Shnitov, Vladimir V.
Pavlov, Sergei I.
Chumakov, Ratibor G.
Stolyarova, Dina Yu.
Besedina, Nadezhda A.
Shvidchenko, Aleksandr V.
Potorochin, Dmitrii V.
Roth, Friedrich
Smirnov, Dmitry A.
Gudkov, Maksim V.
Brzhezinskaya, Maria
Lebedev, Oleg I.
Melnikov, Valery P.
Brunkov, Pavel N.
author_facet Rabchinskii, Maxim K.
Ryzhkov, Sergei A.
Kirilenko, Demid A.
Ulin, Nikolay V.
Baidakova, Marina V.
Shnitov, Vladimir V.
Pavlov, Sergei I.
Chumakov, Ratibor G.
Stolyarova, Dina Yu.
Besedina, Nadezhda A.
Shvidchenko, Aleksandr V.
Potorochin, Dmitrii V.
Roth, Friedrich
Smirnov, Dmitry A.
Gudkov, Maksim V.
Brzhezinskaya, Maria
Lebedev, Oleg I.
Melnikov, Valery P.
Brunkov, Pavel N.
author_sort Rabchinskii, Maxim K.
collection PubMed
description In this paper we present a facile method for the synthesis of aminated graphene derivative through simultaneous reduction and amination of graphene oxide via two-step liquid phase treatment with hydrobromic acid and ammonia solution in mild conditions. The amination degree of the obtained aminated reduced graphene oxide is of about 4 at.%, whereas C/O ratio is up to 8.8 as determined by means of X-ray photoelectron spectroscopy. The chemical reactivity of the introduced amine groups is further verified by successful test covalent bonding of the obtained aminated graphene with 3-Chlorobenzoyl chloride. The morphological features and electronic properties, namely conductivity, valence band structure and work function are studied as well, illustrating the influence of amine groups on graphene structure and physical properties. Particularly, the increase of the electrical conductivity, reduction of the work function value and tendency to form wrinkled and corrugated graphene layers are observed in the aminated graphene derivative compared to the pristine reduced graphene oxide. As obtained aminated graphene could be used for photovoltaic, biosensing and catalysis application as well as a starting material for further chemical modifications.
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spelling pubmed-71817322020-04-29 From graphene oxide towards aminated graphene: facile synthesis, its structure and electronic properties Rabchinskii, Maxim K. Ryzhkov, Sergei A. Kirilenko, Demid A. Ulin, Nikolay V. Baidakova, Marina V. Shnitov, Vladimir V. Pavlov, Sergei I. Chumakov, Ratibor G. Stolyarova, Dina Yu. Besedina, Nadezhda A. Shvidchenko, Aleksandr V. Potorochin, Dmitrii V. Roth, Friedrich Smirnov, Dmitry A. Gudkov, Maksim V. Brzhezinskaya, Maria Lebedev, Oleg I. Melnikov, Valery P. Brunkov, Pavel N. Sci Rep Article In this paper we present a facile method for the synthesis of aminated graphene derivative through simultaneous reduction and amination of graphene oxide via two-step liquid phase treatment with hydrobromic acid and ammonia solution in mild conditions. The amination degree of the obtained aminated reduced graphene oxide is of about 4 at.%, whereas C/O ratio is up to 8.8 as determined by means of X-ray photoelectron spectroscopy. The chemical reactivity of the introduced amine groups is further verified by successful test covalent bonding of the obtained aminated graphene with 3-Chlorobenzoyl chloride. The morphological features and electronic properties, namely conductivity, valence band structure and work function are studied as well, illustrating the influence of amine groups on graphene structure and physical properties. Particularly, the increase of the electrical conductivity, reduction of the work function value and tendency to form wrinkled and corrugated graphene layers are observed in the aminated graphene derivative compared to the pristine reduced graphene oxide. As obtained aminated graphene could be used for photovoltaic, biosensing and catalysis application as well as a starting material for further chemical modifications. Nature Publishing Group UK 2020-04-23 /pmc/articles/PMC7181732/ /pubmed/32327708 http://dx.doi.org/10.1038/s41598-020-63935-3 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Rabchinskii, Maxim K.
Ryzhkov, Sergei A.
Kirilenko, Demid A.
Ulin, Nikolay V.
Baidakova, Marina V.
Shnitov, Vladimir V.
Pavlov, Sergei I.
Chumakov, Ratibor G.
Stolyarova, Dina Yu.
Besedina, Nadezhda A.
Shvidchenko, Aleksandr V.
Potorochin, Dmitrii V.
Roth, Friedrich
Smirnov, Dmitry A.
Gudkov, Maksim V.
Brzhezinskaya, Maria
Lebedev, Oleg I.
Melnikov, Valery P.
Brunkov, Pavel N.
From graphene oxide towards aminated graphene: facile synthesis, its structure and electronic properties
title From graphene oxide towards aminated graphene: facile synthesis, its structure and electronic properties
title_full From graphene oxide towards aminated graphene: facile synthesis, its structure and electronic properties
title_fullStr From graphene oxide towards aminated graphene: facile synthesis, its structure and electronic properties
title_full_unstemmed From graphene oxide towards aminated graphene: facile synthesis, its structure and electronic properties
title_short From graphene oxide towards aminated graphene: facile synthesis, its structure and electronic properties
title_sort from graphene oxide towards aminated graphene: facile synthesis, its structure and electronic properties
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7181732/
https://www.ncbi.nlm.nih.gov/pubmed/32327708
http://dx.doi.org/10.1038/s41598-020-63935-3
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