Journal
SUPERLATTICES AND MICROSTRUCTURES
Volume 52, Issue 4, Pages 816-823Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.spmi.2012.06.024
Keywords
Nanocrystalline materials; Solar cell; PbS; CdS
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Funding
- research university (RU) Grant from Universiti Sains Malaysia
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The present paper reports the preparation of a solar cell which has a cross-sectional scheme: ITO/CdS/PbS, containing a commercially transparent conductive ITO; chemically deposited n-type CdS (340 nm) and absorbed layer of p-type PbS (1400 nm). The structural and optical properties of the constituent films are presented. X-ray diffraction showed that all of the thin films are polycrystalline. Using scanning electron microscopy, the present study revealed that the films have uniform surface morphology over the substrate. The solar cell was characterized by determining the open circuit voltage, short-circuit current density, and J-V under 40 mW/cm(2) solar radiation. The efficiency of the solar cells was 1.35%, which is much higher (0.041, 0.5 and 0.1-0.4%) and slightly smaller (1.65%) than some solar cells reported in the literature. (c) 2012 Elsevier Ltd. All rights reserved.
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