1-Pyrenebutyric Acid Functionalized Reduced Graphene Oxide (1-Pb-Rgo) Energy Storage

Supercapacitors are a class of energy storage device which has high energy density and high power density. As a material with unique 2D structure as well as outstanding physical properties such as high electrical conductivity and large surface area, graphene demonstrates great potential to be the el...

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Main Authors:	Ellie Yi, Lih Teo, M. M., Yusoff, K. F., Chong
Format:	Book Section
Language:	English
Published:	Springer 2015
Subjects:	Q Science (General)
Online Access:	http://umpir.ump.edu.my/id/eprint/8987/ http://umpir.ump.edu.my/id/eprint/8987/ http://umpir.ump.edu.my/id/eprint/8987/ http://umpir.ump.edu.my/id/eprint/8987/1/fist-2015-mashitah-1-Pyrenebutyric%20Acid.pdf

id	ump-8987
recordtype	eprints
spelling	ump-89872018-07-26T06:52:46Z http://umpir.ump.edu.my/id/eprint/8987/ 1-Pyrenebutyric Acid Functionalized Reduced Graphene Oxide (1-Pb-Rgo) Energy Storage Ellie Yi, Lih Teo M. M., Yusoff K. F., Chong Q Science (General) Supercapacitors are a class of energy storage device which has high energy density and high power density. As a material with unique 2D structure as well as outstanding physical properties such as high electrical conductivity and large surface area, graphene demonstrates great potential to be the electrode material for supercapacitors. Despite graphene showing theoretical surface area as high as 2630 m2/g, results acquired showed that not all the surface area were utilized. This could be due to the tendency of the graphene layers to restack. In this work, 1-pyrenebutyric acid (1-PB) was anchored to graphene with the pyrenyl group via π-π stacking to prevent the restacking of graphene layers. The successful functionalization of 1-PB on the hydrophobic surface of rGO was characterized with UV-Vis Spectroscopy and Fourier Transformed Infrared Spectroscopy (FTIR). The electrochemical performance of 1-PB-rGO was studied through cyclic voltammetry (CV), galvanostatic charge-discharge (CD) and electrochemical impedance spectroscopy (EIS). Using 6 M KOH as the electrolyte, we obtained an enhanced specific capacitance for 1-PB-rGO. These findings indicates that the non-covalent functionalization of 1-PB on rGO enhances the capacitive storage ability and it show potential as an electrode material in the energy storage application. Springer 2015 Book Section PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/8987/1/fist-2015-mashitah-1-Pyrenebutyric%20Acid.pdf Ellie Yi, Lih Teo and M. M., Yusoff and K. F., Chong (2015) 1-Pyrenebutyric Acid Functionalized Reduced Graphene Oxide (1-Pb-Rgo) Energy Storage. In: ICGSCE 2014. Proceedings of the International Conference on Global Sustainability and Chemical Engineering . Springer, Singapore, pp. 185-193. ISBN 978-981-287-504-4 (print); 978-981-287-505-1 (online) http://dx.doi.org/10.1007/978-981-287-505-1_22 DOI: 10.1007/978-981-287-505-1
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	Q Science (General)
spellingShingle	Q Science (General) Ellie Yi, Lih Teo M. M., Yusoff K. F., Chong 1-Pyrenebutyric Acid Functionalized Reduced Graphene Oxide (1-Pb-Rgo) Energy Storage
description	Supercapacitors are a class of energy storage device which has high energy density and high power density. As a material with unique 2D structure as well as outstanding physical properties such as high electrical conductivity and large surface area, graphene demonstrates great potential to be the electrode material for supercapacitors. Despite graphene showing theoretical surface area as high as 2630 m2/g, results acquired showed that not all the surface area were utilized. This could be due to the tendency of the graphene layers to restack. In this work, 1-pyrenebutyric acid (1-PB) was anchored to graphene with the pyrenyl group via π-π stacking to prevent the restacking of graphene layers. The successful functionalization of 1-PB on the hydrophobic surface of rGO was characterized with UV-Vis Spectroscopy and Fourier Transformed Infrared Spectroscopy (FTIR). The electrochemical performance of 1-PB-rGO was studied through cyclic voltammetry (CV), galvanostatic charge-discharge (CD) and electrochemical impedance spectroscopy (EIS). Using 6 M KOH as the electrolyte, we obtained an enhanced specific capacitance for 1-PB-rGO. These findings indicates that the non-covalent functionalization of 1-PB on rGO enhances the capacitive storage ability and it show potential as an electrode material in the energy storage application.
format	Book Section
author	Ellie Yi, Lih Teo M. M., Yusoff K. F., Chong
author_facet	Ellie Yi, Lih Teo M. M., Yusoff K. F., Chong
author_sort	Ellie Yi, Lih Teo
title	1-Pyrenebutyric Acid Functionalized Reduced Graphene Oxide (1-Pb-Rgo) Energy Storage
title_short	1-Pyrenebutyric Acid Functionalized Reduced Graphene Oxide (1-Pb-Rgo) Energy Storage
title_full	1-Pyrenebutyric Acid Functionalized Reduced Graphene Oxide (1-Pb-Rgo) Energy Storage
title_fullStr	1-Pyrenebutyric Acid Functionalized Reduced Graphene Oxide (1-Pb-Rgo) Energy Storage
title_full_unstemmed	1-Pyrenebutyric Acid Functionalized Reduced Graphene Oxide (1-Pb-Rgo) Energy Storage
title_sort	1-pyrenebutyric acid functionalized reduced graphene oxide (1-pb-rgo) energy storage
publisher	Springer
publishDate	2015
url	http://umpir.ump.edu.my/id/eprint/8987/ http://umpir.ump.edu.my/id/eprint/8987/ http://umpir.ump.edu.my/id/eprint/8987/ http://umpir.ump.edu.my/id/eprint/8987/1/fist-2015-mashitah-1-Pyrenebutyric%20Acid.pdf
first_indexed	2023-09-18T22:07:03Z
last_indexed	2023-09-18T22:07:03Z
_version_	1777414778532134912

1-Pyrenebutyric Acid Functionalized Reduced Graphene Oxide (1-Pb-Rgo) Energy Storage

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