Title :
CuInSe2 thin film solar cells by pulsed laser deposition
Author :
Dittrich, H. ; Klose, M. ; Brieger, M. ; Schäffler, R. ; Schock, H.W.
Author_Institution :
Zentrum fur Sonnenenergie- und Wasserstoff-Forschung, Stuttgart, Germany
Abstract :
Thin films of CuInSe2 were deposited on soda lime glass and Coming 7059 glass with and without Mo coating by the pulsed laser deposition method from a uniaxially hot pressed CuInSe2 target. Numerous deposition parameters were varied and resulting films were characterized by SEM, EDX and XRPD. All films deposited from a stoichiometric target are Se deficient. Post deposition selenization process or in situ Se excess lead to single phase CuInSe2 thin films. CuInSe2/CdS/ZnO heterojunctions prepared from the deposited layers reach photovoltaic conversion efficiencies of about 8.5%
Keywords :
X-ray chemical analysis; X-ray diffraction examination of materials; copper compounds; indium compounds; materials preparation; p-n heterojunctions; pulsed laser deposition; scanning electron microscope examination of materials; semiconductor growth; semiconductor thin films; solar cells; ternary semiconductors; 8.5 percent; Coming 7059 glass; CuInSe2; CuInSe2 thin film solar cells; CuInSe2-CdS-ZnO; CuInSe2CdSZnO heterojunctions; EDX; Mo coating; SEM; XRPD; deposition parameters; in situ Se excess; photovoltaic conversion efficiencies; post deposition selenization; pulsed laser deposition; single phase CuInSe2 thin films; soda lime glass; stoichiometric target; uniaxially hot pressed CuInSe2 target; Computational Intelligence Society; Crystallization; Grain size; Laser theory; Optical pulses; Photovoltaic cells; Powders; Pulsed laser deposition; Sputtering; Surface morphology;
Conference_Titel :
Photovoltaic Specialists Conference, 1993., Conference Record of the Twenty Third IEEE
Conference_Location :
Louisville, KY
Print_ISBN :
0-7803-1220-1
DOI :
10.1109/PVSC.1993.347022
