Fabrication of cadmium sulfide and cadmium telluride solar cells and their characterisations

The thin film CdTe based solar cells have the potential for high efficiency and have been investigated for 40 years due to their variations in flexibility in manufacturing technology, rapid deposition, and an excellent match to the solar spectrum. Cadmium Telluride (CdTe) is a promising thin film ph...

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Main Author:	Albalushi, Abdulkarem
Format:	Thesis
Language:	English
Published:	2014
Subjects:	QC Physics
Online Access:	http://eprints.utm.my/id/eprint/48021/25/AbdulkaremAlbalushiMFS2014.pdf
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id	my-utm-ep.48021
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spelling	my-utm-ep.480212017-08-01T06:26:25Z Fabrication of cadmium sulfide and cadmium telluride solar cells and their characterisations 2014-06 Albalushi, Abdulkarem QC Physics The thin film CdTe based solar cells have the potential for high efficiency and have been investigated for 40 years due to their variations in flexibility in manufacturing technology, rapid deposition, and an excellent match to the solar spectrum. Cadmium Telluride (CdTe) is a promising thin film photovoltaic (PV) material due to its near ideal bandgap of ? 1.5 eV and its high optical absorption coefficient. The typical CdTe thin film solar cell was a substrate configured with a window layer (CdS). The gold (Au) was used as an absorber (CdTe) and a back contact. Both semiconductor films, CdS and CdTe, were deposited by high vacuum evaporation at room temperature, and deposited on glass substrates with fluorine doped tin oxide (FTO) front contact. The back contact was made to enhance carriers flow from CdTe layer to the electrode. The structure and morphology of the prepared cells were determined by X-ray diffraction (XRD), Energy Dispersive X-ray (EDX) top views and Field Emission Scanning Electron Microscopy (FESEM) cross-section. The XRD of the prepared films showed a polycrystalline of cadium sulphide and cadium telluride structure with peaks at 2? = 26.54o and 23.71o, respectively. It was found that the distance between the created particles (d) is 3.34 Å for CdS, and 3.6 Å for CdTe. The FESEM image showed clearly the layers of fabricated cell and the junction between N-type and P-type was a visible from cross-section. The efficiency of cells was investigated by using three different thicknesses of CdS and CdTe. Efficiency about 7.98 %, Ics = 19.1 mA and Voc = 0.76 V were achieved by deposited thin layer of CdS and thick layer of CdTe with a gold as a back contact 2014-06 Thesis http://eprints.utm.my/id/eprint/48021/ http://eprints.utm.my/id/eprint/48021/25/AbdulkaremAlbalushiMFS2014.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Science Faculty of Science
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	QC Physics
spellingShingle	QC Physics Albalushi, Abdulkarem Fabrication of cadmium sulfide and cadmium telluride solar cells and their characterisations
description	The thin film CdTe based solar cells have the potential for high efficiency and have been investigated for 40 years due to their variations in flexibility in manufacturing technology, rapid deposition, and an excellent match to the solar spectrum. Cadmium Telluride (CdTe) is a promising thin film photovoltaic (PV) material due to its near ideal bandgap of ? 1.5 eV and its high optical absorption coefficient. The typical CdTe thin film solar cell was a substrate configured with a window layer (CdS). The gold (Au) was used as an absorber (CdTe) and a back contact. Both semiconductor films, CdS and CdTe, were deposited by high vacuum evaporation at room temperature, and deposited on glass substrates with fluorine doped tin oxide (FTO) front contact. The back contact was made to enhance carriers flow from CdTe layer to the electrode. The structure and morphology of the prepared cells were determined by X-ray diffraction (XRD), Energy Dispersive X-ray (EDX) top views and Field Emission Scanning Electron Microscopy (FESEM) cross-section. The XRD of the prepared films showed a polycrystalline of cadium sulphide and cadium telluride structure with peaks at 2? = 26.54o and 23.71o, respectively. It was found that the distance between the created particles (d) is 3.34 Å for CdS, and 3.6 Å for CdTe. The FESEM image showed clearly the layers of fabricated cell and the junction between N-type and P-type was a visible from cross-section. The efficiency of cells was investigated by using three different thicknesses of CdS and CdTe. Efficiency about 7.98 %, Ics = 19.1 mA and Voc = 0.76 V were achieved by deposited thin layer of CdS and thick layer of CdTe with a gold as a back contact
format	Thesis
qualification_level	Master's degree
author	Albalushi, Abdulkarem
author_facet	Albalushi, Abdulkarem
author_sort	Albalushi, Abdulkarem
title	Fabrication of cadmium sulfide and cadmium telluride solar cells and their characterisations
title_short	Fabrication of cadmium sulfide and cadmium telluride solar cells and their characterisations
title_full	Fabrication of cadmium sulfide and cadmium telluride solar cells and their characterisations
title_fullStr	Fabrication of cadmium sulfide and cadmium telluride solar cells and their characterisations
title_full_unstemmed	Fabrication of cadmium sulfide and cadmium telluride solar cells and their characterisations
title_sort	fabrication of cadmium sulfide and cadmium telluride solar cells and their characterisations
granting_institution	Universiti Teknologi Malaysia, Faculty of Science
granting_department	Faculty of Science
publishDate	2014
url	http://eprints.utm.my/id/eprint/48021/25/AbdulkaremAlbalushiMFS2014.pdf
_version_	1747817288512307200

Fabrication of cadmium sulfide and cadmium telluride solar cells and their characterisations

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