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An improved efficiency by surface modification using pulse laser for partial transparent bifacial solar cell

Bifacial solar cell has symmetrical configuration contacts on front and rear surface that eliminate expansion mismatch, decrease metal usage and improves photon absorption. The limitation of the reflector at the back of bifacial solar panel able to be eliminated by developing special designed pa...

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Main Authors:	Muhd Hatim Rohaizar,, Suhaila Sepeai,, Norasikin Ahmad Ludin,, Mohd Adib Ibrahim,, Kamaruzzaman Sopian,, Saleem H. Zaidi,
Format:	Article
Language:	English
Published:	Penerbit Universiti Kebangsaan Malaysia 2020
Online Access:	http://journalarticle.ukm.my/17212/1/22.pdf http://journalarticle.ukm.my/17212/ https://www.ukm.my/jkukm/volume-324-2020/
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id	my-ukm.journal.17212
record_format	eprints
spelling	my-ukm.journal.172122021-07-27T02:57:02Z http://journalarticle.ukm.my/17212/ An improved efficiency by surface modification using pulse laser for partial transparent bifacial solar cell Muhd Hatim Rohaizar, Suhaila Sepeai, Norasikin Ahmad Ludin, Mohd Adib Ibrahim, Kamaruzzaman Sopian, Saleem H. Zaidi, Bifacial solar cell has symmetrical configuration contacts on front and rear surface that eliminate expansion mismatch, decrease metal usage and improves photon absorption. The limitation of the reflector at the back of bifacial solar panel able to be eliminated by developing special designed partially transparent bifacial solar cell to optimize light trapping on rear surface. Therefore, the partial transparent silicon (Si) wafers were developed to increase light transmission to rear surface. Surface modification on Si wafer was conducted to form partial transparent Si wafer. Surface modification was employed by pulsed laser interaction to create dot marking array on Si wafer. Two pulsed laser power applied were 25.5W and 39.6W to produce pattern, then immersed in 10% KOH solution to etch laser-induced structure and debris to form partial transparent Si wafer. Low power laser was induced 80-85 µm depth of micro-hole, while high power was induced 140-145 µm. KOH treatment was conducted to etch laser region which to form deeper and wide micro-holes. The bifacial solar cells have been fabricated using partial transparent Si wafer and the current-voltage of the devices were tested. The front surface efficiency obtained for both partial transparent bifacial solar cells were 4.36% and 5.59%, while rear surface achieved 1.23% and 1.16%. Fabricated conventional bifacial solar cell has an efficiency of 2.39% for front and 0.64% for rear. The surface modification enhanced the efficiency due to the photon path length transmission to rear surfaces, micro-hole’s dimension and optical absorption in the near-infrared region. Penerbit Universiti Kebangsaan Malaysia 2020 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/17212/1/22.pdf Muhd Hatim Rohaizar, and Suhaila Sepeai, and Norasikin Ahmad Ludin, and Mohd Adib Ibrahim, and Kamaruzzaman Sopian, and Saleem H. Zaidi, (2020) An improved efficiency by surface modification using pulse laser for partial transparent bifacial solar cell. Jurnal Kejuruteraan, 32 (4). pp. 715-721. ISSN 0128-0198 https://www.ukm.my/jkukm/volume-324-2020/
institution	Universiti Kebangsaan Malaysia
building	Tun Sri Lanang Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Kebangsaan Malaysia
content_source	UKM Journal Article Repository
url_provider	http://journalarticle.ukm.my/
language	English
description	Bifacial solar cell has symmetrical configuration contacts on front and rear surface that eliminate expansion mismatch, decrease metal usage and improves photon absorption. The limitation of the reflector at the back of bifacial solar panel able to be eliminated by developing special designed partially transparent bifacial solar cell to optimize light trapping on rear surface. Therefore, the partial transparent silicon (Si) wafers were developed to increase light transmission to rear surface. Surface modification on Si wafer was conducted to form partial transparent Si wafer. Surface modification was employed by pulsed laser interaction to create dot marking array on Si wafer. Two pulsed laser power applied were 25.5W and 39.6W to produce pattern, then immersed in 10% KOH solution to etch laser-induced structure and debris to form partial transparent Si wafer. Low power laser was induced 80-85 µm depth of micro-hole, while high power was induced 140-145 µm. KOH treatment was conducted to etch laser region which to form deeper and wide micro-holes. The bifacial solar cells have been fabricated using partial transparent Si wafer and the current-voltage of the devices were tested. The front surface efficiency obtained for both partial transparent bifacial solar cells were 4.36% and 5.59%, while rear surface achieved 1.23% and 1.16%. Fabricated conventional bifacial solar cell has an efficiency of 2.39% for front and 0.64% for rear. The surface modification enhanced the efficiency due to the photon path length transmission to rear surfaces, micro-hole’s dimension and optical absorption in the near-infrared region.
format	Article
author	Muhd Hatim Rohaizar, Suhaila Sepeai, Norasikin Ahmad Ludin, Mohd Adib Ibrahim, Kamaruzzaman Sopian, Saleem H. Zaidi,
spellingShingle	Muhd Hatim Rohaizar, Suhaila Sepeai, Norasikin Ahmad Ludin, Mohd Adib Ibrahim, Kamaruzzaman Sopian, Saleem H. Zaidi, An improved efficiency by surface modification using pulse laser for partial transparent bifacial solar cell
author_facet	Muhd Hatim Rohaizar, Suhaila Sepeai, Norasikin Ahmad Ludin, Mohd Adib Ibrahim, Kamaruzzaman Sopian, Saleem H. Zaidi,
author_sort	Muhd Hatim Rohaizar,
title	An improved efficiency by surface modification using pulse laser for partial transparent bifacial solar cell
title_short	An improved efficiency by surface modification using pulse laser for partial transparent bifacial solar cell
title_full	An improved efficiency by surface modification using pulse laser for partial transparent bifacial solar cell
title_fullStr	An improved efficiency by surface modification using pulse laser for partial transparent bifacial solar cell
title_full_unstemmed	An improved efficiency by surface modification using pulse laser for partial transparent bifacial solar cell
title_sort	improved efficiency by surface modification using pulse laser for partial transparent bifacial solar cell
publisher	Penerbit Universiti Kebangsaan Malaysia
publishDate	2020
url	http://journalarticle.ukm.my/17212/1/22.pdf http://journalarticle.ukm.my/17212/ https://www.ukm.my/jkukm/volume-324-2020/
_version_	1706958279838531584
score	13.211869

An improved efficiency by surface modification using pulse laser for partial transparent bifacial solar cell

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