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Synthesis of polyvinyl acetate /graphene nanocomposite and its application as an electrolyte in dye sensitized solar cells

Liquid based electrolytes used in dye synthesized solar cells (DSSCs) have stability issues due to leakage and volatilization of organic solvents. To overcome this problem, many researchers focused on alternatives such as solid and gel based electrolytes. However, due to less ionic conductivity, gel...

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Main Authors:	Rehman, Shafi ur, Noman, Muhammad, Khan, Adnan Daud, Saboor, Abdul, Ahmad, Muhammad Shakeel, Khan, Hizb Ullah
Format:	Article
Published:	Elsevier 2020
Subjects:	TA Engineering (General). Civil engineering (General) TP Chemical technology
Online Access:	http://eprints.um.edu.my/25268/ https://doi.org/10.1016/j.ijleo.2019.163591
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spelling	my.um.eprints.252682020-08-05T07:42:01Z http://eprints.um.edu.my/25268/ Synthesis of polyvinyl acetate /graphene nanocomposite and its application as an electrolyte in dye sensitized solar cells Rehman, Shafi ur Noman, Muhammad Khan, Adnan Daud Saboor, Abdul Ahmad, Muhammad Shakeel Khan, Hizb Ullah TA Engineering (General). Civil engineering (General) TP Chemical technology Liquid based electrolytes used in dye synthesized solar cells (DSSCs) have stability issues due to leakage and volatilization of organic solvents. To overcome this problem, many researchers focused on alternatives such as solid and gel based electrolytes. However, due to less ionic conductivity, gel based electrolytes are less efficient as compared to liquid electrolytes. In this work, polyvinyl acetate (PVAc)/graphene nanocomposite based gel electrolyte is synthesized for the first time using in-situ polymerization technique to enhance the efficiency of the solar cell. The prepared nanocomposite is characterized by using Fourier-transform infrared spectroscopy (FT-IR), X-ray diffractometer (XRD), scanning electron microscopy (SEM) and solar simulator techniques. The results of the I–V curve revealed the increased photocurrent density (JSC) of the prepared nanocomposite based gel electrolyte as compared to its counterpart. The values for short circuit photocurrent density (JSC), open circuit voltage (VOC) and fill factor (FF) of the nanocomposite based gel electrolyte are 6.62 mA cm−2, 0.64 V and 43% respectively, yielding an overall photovoltaic conversion efficiencies (PCE) of 4.57%, which is more than the efficiency (η = 4.35%) of referenced PVAc gel electrolyte based DSSC and comparable to the efficiency (η = 4.75%) of liquid electrolyte based DSSC. Finally, Electron impedance spectroscopic studies have been conducted to understand the electron transfer kinetics. © 2019 Elsevier GmbH Elsevier 2020 Article PeerReviewed Rehman, Shafi ur and Noman, Muhammad and Khan, Adnan Daud and Saboor, Abdul and Ahmad, Muhammad Shakeel and Khan, Hizb Ullah (2020) Synthesis of polyvinyl acetate /graphene nanocomposite and its application as an electrolyte in dye sensitized solar cells. Optik, 202. p. 163591. ISSN 0030-4026 https://doi.org/10.1016/j.ijleo.2019.163591 doi:10.1016/j.ijleo.2019.163591
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	TA Engineering (General). Civil engineering (General) TP Chemical technology
spellingShingle	TA Engineering (General). Civil engineering (General) TP Chemical technology Rehman, Shafi ur Noman, Muhammad Khan, Adnan Daud Saboor, Abdul Ahmad, Muhammad Shakeel Khan, Hizb Ullah Synthesis of polyvinyl acetate /graphene nanocomposite and its application as an electrolyte in dye sensitized solar cells
description	Liquid based electrolytes used in dye synthesized solar cells (DSSCs) have stability issues due to leakage and volatilization of organic solvents. To overcome this problem, many researchers focused on alternatives such as solid and gel based electrolytes. However, due to less ionic conductivity, gel based electrolytes are less efficient as compared to liquid electrolytes. In this work, polyvinyl acetate (PVAc)/graphene nanocomposite based gel electrolyte is synthesized for the first time using in-situ polymerization technique to enhance the efficiency of the solar cell. The prepared nanocomposite is characterized by using Fourier-transform infrared spectroscopy (FT-IR), X-ray diffractometer (XRD), scanning electron microscopy (SEM) and solar simulator techniques. The results of the I–V curve revealed the increased photocurrent density (JSC) of the prepared nanocomposite based gel electrolyte as compared to its counterpart. The values for short circuit photocurrent density (JSC), open circuit voltage (VOC) and fill factor (FF) of the nanocomposite based gel electrolyte are 6.62 mA cm−2, 0.64 V and 43% respectively, yielding an overall photovoltaic conversion efficiencies (PCE) of 4.57%, which is more than the efficiency (η = 4.35%) of referenced PVAc gel electrolyte based DSSC and comparable to the efficiency (η = 4.75%) of liquid electrolyte based DSSC. Finally, Electron impedance spectroscopic studies have been conducted to understand the electron transfer kinetics. © 2019 Elsevier GmbH
format	Article
author	Rehman, Shafi ur Noman, Muhammad Khan, Adnan Daud Saboor, Abdul Ahmad, Muhammad Shakeel Khan, Hizb Ullah
author_facet	Rehman, Shafi ur Noman, Muhammad Khan, Adnan Daud Saboor, Abdul Ahmad, Muhammad Shakeel Khan, Hizb Ullah
author_sort	Rehman, Shafi ur
title	Synthesis of polyvinyl acetate /graphene nanocomposite and its application as an electrolyte in dye sensitized solar cells
title_short	Synthesis of polyvinyl acetate /graphene nanocomposite and its application as an electrolyte in dye sensitized solar cells
title_full	Synthesis of polyvinyl acetate /graphene nanocomposite and its application as an electrolyte in dye sensitized solar cells
title_fullStr	Synthesis of polyvinyl acetate /graphene nanocomposite and its application as an electrolyte in dye sensitized solar cells
title_full_unstemmed	Synthesis of polyvinyl acetate /graphene nanocomposite and its application as an electrolyte in dye sensitized solar cells
title_sort	synthesis of polyvinyl acetate /graphene nanocomposite and its application as an electrolyte in dye sensitized solar cells
publisher	Elsevier
publishDate	2020
url	http://eprints.um.edu.my/25268/ https://doi.org/10.1016/j.ijleo.2019.163591
_version_	1680857015131308032
score	13.211869

Synthesis of polyvinyl acetate /graphene nanocomposite and its application as an electrolyte in dye sensitized solar cells

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