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Functionalizing graphene oxide with alkylamine by gamma-ray irradiation method

A gamma-ray irradiation technique was used to functionalize graphene oxide (GO) with alkylamines of various alkyl chain lengths. Functionalization of the alkyl chains onto the GO was confirmed by nuclear magnetic resonance (1H NMR), Fourier transform infrared (FTIR), and X-ray diffraction (XRD). FTI...

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Main Authors: Ahmad Daud, Noraniza, Chieng, Buong Woei, Ibrahim, Nor Azowa, Talib, Zainal Abidin, Muhamad, Ernee Noryana, Zainal Abidin, Zurina
Format: Article
Language:English
Published: MDPI 2017
Online Access:http://psasir.upm.edu.my/id/eprint/61925/1/Functionalizing%20Graphene%20Oxide%20with%20Alkylamine%20by.pdf
http://psasir.upm.edu.my/id/eprint/61925/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5485782/
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spelling my.upm.eprints.619252019-02-27T07:52:12Z http://psasir.upm.edu.my/id/eprint/61925/ Functionalizing graphene oxide with alkylamine by gamma-ray irradiation method Ahmad Daud, Noraniza Chieng, Buong Woei Ibrahim, Nor Azowa Talib, Zainal Abidin Muhamad, Ernee Noryana Zainal Abidin, Zurina A gamma-ray irradiation technique was used to functionalize graphene oxide (GO) with alkylamines of various alkyl chain lengths. Functionalization of the alkyl chains onto the GO was confirmed by nuclear magnetic resonance (1H NMR), Fourier transform infrared (FTIR), and X-ray diffraction (XRD). FTIR of the functionalized GO showed the appearance of significant peaks around 2960–2850 cm−1 (–CH2) which came from long alkyl chains, together with a peak around 1560–1450 cm−1, indicating the formation of C–NH–C. XRD showed an additional diffraction peak at a lower 2θ angle, indicating that the intercalation of the alkylamine was successful. The effects on the morphological and thermal properties of GO functionalized with alkyl chains of various lengths were investigated. Scanning electron microscopy (SEM) analysis showed an increase in surface roughness when the alkyl chain length was increased. The addition of alkyl chains on GO surfaces significantly improved the thermal stability of the GO, suggesting that these surfaces have great potential for use as a hydrophobic material in industry. MDPI 2017 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/61925/1/Functionalizing%20Graphene%20Oxide%20with%20Alkylamine%20by.pdf Ahmad Daud, Noraniza and Chieng, Buong Woei and Ibrahim, Nor Azowa and Talib, Zainal Abidin and Muhamad, Ernee Noryana and Zainal Abidin, Zurina (2017) Functionalizing graphene oxide with alkylamine by gamma-ray irradiation method. Nanomaterials, 7 (6). pp. 1-15. ISSN 2079-4991 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5485782/ 10.3390/nano7060135
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description A gamma-ray irradiation technique was used to functionalize graphene oxide (GO) with alkylamines of various alkyl chain lengths. Functionalization of the alkyl chains onto the GO was confirmed by nuclear magnetic resonance (1H NMR), Fourier transform infrared (FTIR), and X-ray diffraction (XRD). FTIR of the functionalized GO showed the appearance of significant peaks around 2960–2850 cm−1 (–CH2) which came from long alkyl chains, together with a peak around 1560–1450 cm−1, indicating the formation of C–NH–C. XRD showed an additional diffraction peak at a lower 2θ angle, indicating that the intercalation of the alkylamine was successful. The effects on the morphological and thermal properties of GO functionalized with alkyl chains of various lengths were investigated. Scanning electron microscopy (SEM) analysis showed an increase in surface roughness when the alkyl chain length was increased. The addition of alkyl chains on GO surfaces significantly improved the thermal stability of the GO, suggesting that these surfaces have great potential for use as a hydrophobic material in industry.
format Article
author Ahmad Daud, Noraniza
Chieng, Buong Woei
Ibrahim, Nor Azowa
Talib, Zainal Abidin
Muhamad, Ernee Noryana
Zainal Abidin, Zurina
spellingShingle Ahmad Daud, Noraniza
Chieng, Buong Woei
Ibrahim, Nor Azowa
Talib, Zainal Abidin
Muhamad, Ernee Noryana
Zainal Abidin, Zurina
Functionalizing graphene oxide with alkylamine by gamma-ray irradiation method
author_facet Ahmad Daud, Noraniza
Chieng, Buong Woei
Ibrahim, Nor Azowa
Talib, Zainal Abidin
Muhamad, Ernee Noryana
Zainal Abidin, Zurina
author_sort Ahmad Daud, Noraniza
title Functionalizing graphene oxide with alkylamine by gamma-ray irradiation method
title_short Functionalizing graphene oxide with alkylamine by gamma-ray irradiation method
title_full Functionalizing graphene oxide with alkylamine by gamma-ray irradiation method
title_fullStr Functionalizing graphene oxide with alkylamine by gamma-ray irradiation method
title_full_unstemmed Functionalizing graphene oxide with alkylamine by gamma-ray irradiation method
title_sort functionalizing graphene oxide with alkylamine by gamma-ray irradiation method
publisher MDPI
publishDate 2017
url http://psasir.upm.edu.my/id/eprint/61925/1/Functionalizing%20Graphene%20Oxide%20with%20Alkylamine%20by.pdf
http://psasir.upm.edu.my/id/eprint/61925/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5485782/
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score 13.211869

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