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Process for preparing group Ib-IIIa-VIa semiconducting films

Patent ·
OSTI ID:541758
Methods are provided for the production of supported monophasic group I-III-VI semiconductor films. In the subject methods, a substrate is coated with group I and III elements and then contacted with a reactive group VI element containing atmosphere under conditions sufficient to produce a substrate coated with a composite of at least two different group I-III-IV alloys. The resultant composite coated substrate is then annealed in an inert atmosphere under conditions sufficient to convert the composite coating to a monophasic group I-III-VI semiconductor film. The resultant supported semiconductor films find use in photovoltaic applications, particularly as absorber layers in solar cells. 4 figs.
Research Organization:
Midwest Research Institute
Sponsoring Organization:
National Renewable Energy Lab., Golden, CO (United States)
DOE Contract Number:
AC36-83CH10093
Assignee:
Univ. of Delaware, Newark, DE (United States)
Patent Number(s):
US 5,674,555/A/
Application Number:
PAN: 8-564,957
OSTI ID:
541758
Country of Publication:
United States
Language:
English