IMPROVING THE PHOTORESPONSE OF POROUS SILICON FOR SOLAR CELL APPLICATIONS BY EMBEDDING OF CdTe NANOPARTICLES

Ibrahim R. Agool, Ahmed N. Abd, Mohammed O. Dawood, Harith M. Abd Al-Ameer, Nadir F. Habubi and Hazim L. Mansour
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Ibrahim R. Agool: Physics Department, Faculty of Science, University of Al-Mustansiriyah, Baghdad, Iraq
Ahmed N. Abd: Physics Department, Faculty of Science, University of Al-Mustansiriyah, Baghdad, Iraq
Mohammed O. Dawood: Physics Department, Faculty of Science, University of Al-Mustansiriyah, Baghdad, Iraq
Harith M. Abd Al-Ameer: Physics Department, Faculty of Science, University of Al-Mustansiriyah, Baghdad, Iraq
Nadir F. Habubi: #x2020;Physics Department, Faculty of Education, University of Al-Mustansiriyah, Baghdad, Iraq
Hazim L. Mansour: #x2020;Physics Department, Faculty of Education, University of Al-Mustansiriyah, Baghdad, Iraq

Surface Review and Letters (SRL), 2017, vol. 24, issue Supp01, 1-8

Abstract: The present work is concerned with the preparation of thin films of nanocrystalline porous silicon (PSi) by the method of electrochemical etching. CdTe nanoparticles (NPs) have been prepared by utilizing the pulsed laser ablation in liquid. The measurements of tunneling microscopy, X-ray diffraction (XRD), Fourier transformation infrared spectroscopy (FTIR) and atomic force microscopy (AFE) were carried out and revealed that the PSi was nanostructured and the produced CdTe NPs were ball shaped, having good disposability. The diffusion of CdTe NPs on the properties of PSi solar cell assures that there was an improvement upon their properties. The relationship between 1∕C2 and the reverse bias voltage was observed to be linear. Values of the built-in potential were observed to be dependent on the laser fluence, current density and the etching time.

Keywords: CdTe; PSi; NPs; heterojunction; solar cell; semiconductor material (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1142/S0218625X18500129

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