Enhance of TiO2 dopants incorporated reduced graphene oxide via RF magnetron sputtering for efficient dye-sensitised solar cells

In particular, the dye-sensitised solar cells (DSSCs) have a high potential in the rational energy conversion efficiency to secure our sustainable energy source. In the present study, advanced radio frequency (RF) magnetron sputtering technique was applied to incorporate titanium dioxide (TiO2) dopa...

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Main Authors: Low, Foo Wah, Lai, Chin Wei, Lee, Kian Mun, Juan, Joon Ching
Format: Article
Published: Springer Verlag 2018
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Online Access:http://eprints.um.edu.my/21394/
https://doi.org/10.1007/s12598-018-1064-4
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spelling my.um.eprints.213942019-05-29T04:38:13Z http://eprints.um.edu.my/21394/ Enhance of TiO2 dopants incorporated reduced graphene oxide via RF magnetron sputtering for efficient dye-sensitised solar cells Low, Foo Wah Lai, Chin Wei Lee, Kian Mun Juan, Joon Ching Q Science (General) QD Chemistry In particular, the dye-sensitised solar cells (DSSCs) have a high potential in the rational energy conversion efficiency to secure our sustainable energy source. In the present study, advanced radio frequency (RF) magnetron sputtering technique was applied to incorporate titanium dioxide (TiO2) dopants into reduced graphene oxide (rGO) nanosheet for improving the power conversion efficiency (PCE) of DSSCs device. An optimum TiO2 content incorporated onto rGO nanosheet plays an important role in improving the PCE of DSSCs by minimising the recombination losses of photo-induced charge carriers. Based on the results obtained, 40-s sputtering duration for incorporating TiO2 dopants onto rGO nanosheet exhibits a maximum PCE of 8.78% than that of pure rGO film (0.68%). In fact, the presence of optimum content of TiO2 dopants within rGO nanosheet could act as mediators for efficient separation photo-induced charge carriers. However, the excessive of sputtering duration (e.g. 60 s) of TiO2 dopants onto rGO nanosheet results higher charge recombination and lowers the PCE of DSSCs (5.39%). Springer Verlag 2018 Article PeerReviewed Low, Foo Wah and Lai, Chin Wei and Lee, Kian Mun and Juan, Joon Ching (2018) Enhance of TiO2 dopants incorporated reduced graphene oxide via RF magnetron sputtering for efficient dye-sensitised solar cells. Rare Metals, 37 (11). pp. 919-928. ISSN 1001-0521 https://doi.org/10.1007/s12598-018-1064-4 doi:10.1007/s12598-018-1064-4
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 Q Science (General)
QD Chemistry
spellingShingle Q Science (General)
QD Chemistry
Low, Foo Wah
Lai, Chin Wei
Lee, Kian Mun
Juan, Joon Ching
Enhance of TiO2 dopants incorporated reduced graphene oxide via RF magnetron sputtering for efficient dye-sensitised solar cells
description In particular, the dye-sensitised solar cells (DSSCs) have a high potential in the rational energy conversion efficiency to secure our sustainable energy source. In the present study, advanced radio frequency (RF) magnetron sputtering technique was applied to incorporate titanium dioxide (TiO2) dopants into reduced graphene oxide (rGO) nanosheet for improving the power conversion efficiency (PCE) of DSSCs device. An optimum TiO2 content incorporated onto rGO nanosheet plays an important role in improving the PCE of DSSCs by minimising the recombination losses of photo-induced charge carriers. Based on the results obtained, 40-s sputtering duration for incorporating TiO2 dopants onto rGO nanosheet exhibits a maximum PCE of 8.78% than that of pure rGO film (0.68%). In fact, the presence of optimum content of TiO2 dopants within rGO nanosheet could act as mediators for efficient separation photo-induced charge carriers. However, the excessive of sputtering duration (e.g. 60 s) of TiO2 dopants onto rGO nanosheet results higher charge recombination and lowers the PCE of DSSCs (5.39%).
format Article
author Low, Foo Wah
Lai, Chin Wei
Lee, Kian Mun
Juan, Joon Ching
author_facet Low, Foo Wah
Lai, Chin Wei
Lee, Kian Mun
Juan, Joon Ching
author_sort Low, Foo Wah
title Enhance of TiO2 dopants incorporated reduced graphene oxide via RF magnetron sputtering for efficient dye-sensitised solar cells
title_short Enhance of TiO2 dopants incorporated reduced graphene oxide via RF magnetron sputtering for efficient dye-sensitised solar cells
title_full Enhance of TiO2 dopants incorporated reduced graphene oxide via RF magnetron sputtering for efficient dye-sensitised solar cells
title_fullStr Enhance of TiO2 dopants incorporated reduced graphene oxide via RF magnetron sputtering for efficient dye-sensitised solar cells
title_full_unstemmed Enhance of TiO2 dopants incorporated reduced graphene oxide via RF magnetron sputtering for efficient dye-sensitised solar cells
title_sort enhance of tio2 dopants incorporated reduced graphene oxide via rf magnetron sputtering for efficient dye-sensitised solar cells
publisher Springer Verlag
publishDate 2018
url http://eprints.um.edu.my/21394/
https://doi.org/10.1007/s12598-018-1064-4
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score 13.209306