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FEASIBILITY INVESTIGATION OF CHEMICALLY SPRAYED THIN FILM PHOTOVOLTAIC CONVERTERS.
NATIONAL CASH REGISTER CO DAYTON OHIO
This research was directed toward investigating the feasibility of a unique method of film deposition of II-VI compounds in the development of photovoltaic devices. A major portion of effort during the first period was concerned with laboratory apparatus for the following purposes measurement of film thickness, optical properties, photovoltage and current, and characterization of films of CdS and CdSe were deposited by the chemical spray technique in a range of thicknesses. Maximum film thicknesses of up to 15 to 20 microns were possible while retaining physical uniformity and reproducibility. Conducting Layer Films of SnO sub x, In203, In203Sn and CdO were successfully deposited. SnO sub x and In203 had the widest transmittance window. Barrier Layer Cu, Al, and Au were vacuum deposited as electrode materials to evaluate and characterize the various films of CdS and CdSe deposited on SnO sub x coated glass. Author
Quarterly rept. no. 1, 1 Feb-30 Apr 62,