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Optical and photoelectrical properties of CdSx Se1–x films produced by screen‐printing technology

In this paper the optical and photoelectrical properties of CdSx Se1–x films prepared using the screen‐printing and sintering technique, were studied. CdCl2 was used both as a sintering flux and as a doping agent. CuCl was also used as a doping agent. The temperatures and times of preparation varied in the range of 500–600 °C and 5–60 min, respectively. The as‐prepared films were characterized by the scanning electron microscopy, micro‐probe X‐Ray analysis, photoluminescence and photoconductance methods. Our investigations have shown that photoresponse of the CdSx Se1–x films prepared by a screen‐printing method can be suitable for the production of large‐area photosensitive devices. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)