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Please use this identifier to cite or link to this item: http://purl.org/purl/3835

Title: Non-destructive evaluation of photovoltaic materials and solar cells using Photoluminescence
Authors: Poornima,N
Dr.Sudha Kartha,C
Keywords: PL spectroscopy
PL experimental set up
He-Cd laser
Ocean Optics USB 2000 spectrophotometer
Issue Date: Nov-2013
Publisher: Cochin University Of Science And Technology
Abstract: Photoluminescence (PL) spectroscopy is an optical technique that has emerged successful in the field of semiconductor material and device characterization. This technique is quite a powerful one which gives idea about the defect levels in a material, the band gap of the material, composition as well as material quality. Over the recent years it has received an elevation as a mainstream characterization technique. This thesis is an attempt to characterize each individual layer used in a thin film solar cell with special focus on the electrical properties. This will be highly beneficial from the lab as well as industrial point of view because electrical measurements generally are contact mode measurements which tend to damage the surface. As far as a thin film solar cell is concerned, the constituent layers are the transparent conducting oxide (TCO), absorber layer, buffer layer and top electrode contact. Each layer has a specific role to play and the performance of a solar cell is decided and limited by the quality of each individual layer. Various aspects of PL spectroscopy have been employed for studying compound semiconductor thin films [deposited using chemical spray pyrolysis (CSP)] proposed for solar cell application. This thesis has been structured in to seven chapters
Description: Applied Optics Division, Department of Physics, Cochin University of Science and Technology
URI: http://dyuthi.cusat.ac.in/purl/3835
Appears in Collections:Faculty of Sciences

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