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Title: Electro-chemical development of CulnGaSe2 based photovoltaic solar cells
Author: Tolan, Gavin James
Current Institution: Sheffield Hallam University
Date of Award: 2008
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The aim of this work was to make low cost, high efficiency, graded bandgap, thin film CuInGaSe2 solar cells by electrodeposition, using novel device designs proposed by Dharmadasa et al. These new designs were first experimentally tested using well researched GaAs and AlxGa(1-x)As materials grown using MOCVD, these ideas were then transferred to electrodeposited CuInGaSe2. New designs of graded bandgap solar cells based on p-type window materials, using the well researched GaAs and AlxGa(1-x)As alloy system, have been experimentally tested. The size of the cell was gradually scaled up from 0.5 mm diameter (0.002 cm2) to 3x3 mm (0.090 cm ) and to 5x5 mm (0.250 cm ), these were then assessed using I-V and QE techniques. The devices showed Voc in the range of 1070-1175 mV, exceeding reported values, FF in the range 0.80-0.87, and Jsc in the range 11-12 mA cm-2.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available