High performance all-sputter deposited Cu/sub 2/S/CdS junctions

Journal Article · Thu Apr 01 04:00:00 EST 1982 · Appl. Phys. Lett.; (United States)

DOI:https://doi.org/10.1063/1.93166· OSTI ID:5603239

Thornton, J A; Anderson, W W

Thin-film Cu/sub 2/S/CdS solar cells have been fabricated in a multisource chamber by using magnetron reactive sputtering to deposit the Cu/sub 2/S and CdS layers. An analysis of junction current voltage, log J/sub sc/ vs V/sub oc/ (where J/sub sc/ is the short circuit current and V/sub oc/ is the open circuit voltage) and capacitance versus voltage measurements indicates that the junctions have very good quality, with diode ideality factors of near unity, and interface recombination velocities of about 2 x 10/sup 5/ cm/s. Cells without antireflection coatings have yielded J/sub sc/ = 12.2 mA/cm/sup 2/, V/sub oc/ = 0.53 V, fill factors of 0.62, and efficiencies of approx.4% in their as-deposited state. The cells show that Cu/sub 2/S/CdS junctions equivalent to those formed by the topotaxial ion exchange method can be formed by sequential all-vacuum deposition of CdS and Cu/sub 2/S, and that magnetron sputtering does not cause damage that compromises their electrical performance.

• Research Organization: Telic Co., Santa Monica, CA
• OSTI ID: 5603239
• Journal Information: Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 40:7; ISSN APPLA
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
140500* -- Solar Energy Conversion
ANTIREFLECTION COATINGS
CADMIUM SULFIDE SOLAR CELLS
CHEMICAL REACTIONS
COATINGS
COPPER SULFIDE SOLAR CELLS
DEPOSITION
DIMENSIONS
DIRECT ENERGY CONVERTERS
ELECTRICAL PROPERTIES
ELECTRON TUBES
ELECTRONIC EQUIPMENT
EQUIPMENT
FABRICATION
FILMS
INTERFACES
JUNCTIONS
LAYERS
MAGNETRONS
MICROWAVE EQUIPMENT
MICROWAVE TUBES
PERFORMANCE
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
RECOMBINATION
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS
SOLAR EQUIPMENT
SPUTTERING
THICKNESS