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Optical characterization of TCO films on borate glasses for high efficiency solar cells

: Steudel, F.; Miclea, P.-T.; Teuscher, N.; Heilmann, A.; Schweizer, S.


Wehrspohn, R. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Photonics for Solar Energy Systems IV : April 2012, Brussels, Belgium
Bellingham, WA: SPIE, 2012 (Proceedings of SPIE 8438)
ISBN: 978-0-8194-9130-5
Paper 843819
Conference "Photonics for Solar Energy Systems" <4, 2012, Brussels>
Fraunhofer ISE ()
Fraunhofer IWM ()
optical simulation; transparent conductive oxides; borate glasses; thin film solar cells

Two different transparent conductive oxides (TCO) were deposited by magnetron sputtering on borate glasses. The influence of sputtering conditions on optical, electrical and microstructural properties was much higher for indium tin oxide (ITO) than for aluminium-doped zinc oxide (AZO) films. Specific resistivity values obtained from simulation of the optical spectra are in good agreement with values obtained from four-point probe measurements.