Morphology of CdS Thin Films Deposited on SnO2-Coated Glass Substrates

F. S. Hasoon, M. M. Al-Jassim, A. Swartzlander, P. Sheldon, A. A.J. Al-Douri, A. A. Alnajjar

Research output: Contribution to conferencePaperpeer-review

3 Scopus Citations


The morphology and microstructure of cadmium sulfide (CdS) thin films are a major concern in the fabrication process of CdTe solar cells. In this work, we investigate the morphology and microstructure of chemical-bath-deposited CBD CdS in order to better understand the growth conditions that give rise to films for optimum device performance. The film morphology was investigated by field-emission, high-resolution scanning electron microscopy (SEM). The film microstructure was studied by transmission electron microscopy (TEM), while the film's chemistry was investigated by Auger electron spectroscopy (AES). All films examined exhibited pinholes and discontinuities varying in size and density. This may have a significant impact on cell performance by providing shunt paths between the CdTe and the SnO2. Additionally, the CdS films are heavily faulted, which may partially explain why a high density of planar defects is observed in the CdTe/CdS interface region.

Original languageAmerican English
Number of pages4
StatePublished - 1997
EventProceedings of the 1997 IEEE 26th Photovoltaic Specialists Conference - Anaheim, CA, USA
Duration: 29 Sep 19973 Oct 1997


ConferenceProceedings of the 1997 IEEE 26th Photovoltaic Specialists Conference
CityAnaheim, CA, USA

Bibliographical note

For preprint version, including full text online document, see NREL/CP-530-23580

NREL Publication Number

  • NREL/CP-520-24976


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