Title: Photovoltaic semiconductor materials based on alloys of tin sulfide, and methods of production

Abstract

Photovoltaic thin-film materials comprising crystalline tin sulfide alloys of the general formula Sn.sub.1-x(R).sub.xS, where R is selected from magnesium, calcium and strontium, as well as methods of producing the same, are disclosed.

Inventors:

Lany, Stephan

Issue Date:

2016-06-07

Research Org.:

National Renewable Energy Lab. (NREL), Golden, CO (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1255953

Patent Number(s):

9362429

Application Number:

14/266,213

Assignee:

Alliance for Sustainable Energy, LLC (Golden, CO)

Patent Classifications (CPCs):

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01B - CABLES

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES

H01L31/0324 - {comprising only AIVBVI or AIIBIVCVI chalcogenide compounds, e.g. Pb Sn Te}
H01L21/20 - Deposition of semiconductor materials on a substrate, e.g. epitaxial growth {solid phase epitaxy}
H01L31/032 - including, apart from doping materials or other impurities, only compounds not provided for in groups H01L31/0272 - H01L31/0312
H01L31/00 - Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01B - CABLES

H01B1/04 - mainly consisting of carbon-silicon compounds, carbon or silicon

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DOE Contract Number:  

AC36-08GO28308

Resource Type:

Patent

Resource Relation:

Patent File Date: 2014 Apr 30

Country of Publication:

United States

Language:

English

Subject:

36 MATERIALS SCIENCE; 14 SOLAR ENERGY