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Amorphous tin-cadmium oxide films and the production thereof

Patent ·
OSTI ID:1107784
;
A tin-cadmium oxide film having an amorphous structure and a ratio of tin atoms to cadmium atoms of between 1:1 and 3:1. The tin-cadmium oxide film may have an optical band gap of between 2.7 eV and 3.35 eV. The film may also have a charge carrier concentration of between 1.times.10.sup.20 cm.sup.-3 and 2.times.10.sup.20 cm.sup.-3. The tin cadmium oxide film may also exhibit a Hall mobility of between 40 cm.sup.2V.sup.-1 s.sup.-1 and 60 cm.sup.2V.sup.-1 s.sup.-1. Also disclosed is a method of producing an amorphous tin-cadmium oxide film as described and devices using same.
Research Organization:
NREL (National Renewable Energy Laboratory (NREL), Golden, CO (United States))
Sponsoring Organization:
USDOE
DOE Contract Number:
AC36-08GO28308
Assignee:
Alliance for Sustainable Energy, LLC (Golden, CO)
Patent Number(s):
8,568,828
Application Number:
12/705,465
OSTI ID:
1107784
Country of Publication:
United States
Language:
English

References (4)

High-performance, transparent conducting oxides based on cadmium stannate journal June 1996
The properties of cadmium tin oxide thin-film compounds prepared by linear combinatorial synthesis journal February 2004
Optical and Electrical Properties of Cd 2 Sn O 4 : A Defect Semiconductor journal July 1972
Transparent electrode properties of cadmium stannate journal May 1976

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36 MATERIALS SCIENCE