Title: Solution-phase inclusion of silver into chalcogenide semiconductor inks

Abstract

Silver-containing absorbers for photovoltaic devices and techniques for fabrication thereof are provided. In one aspect, a method of forming an ink includes: mixing a silver halide and a solvent to form a first solution; mixing a metal, sulfur, and the solvent to form a second solution; combining the first solution and the second solution to form a precursor solution; and adding constituent components for an absorber material to the precursor solution to form the ink. Methods of forming an absorber film, a photovoltaic device, and the resulting photovoltaic device are also provided.

Inventors:

Antunez, Priscilla D.; Gershon, Talia S.; Haight, Richard A.; Todorov, Teodor K.

Issue Date:

2019-02-26

Research Org.:

International Business Machines Corp., Armonk, NY (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1524987

Patent Number(s):

10217888

Application Number:

15/287,087

Assignee:

International Business Machines Corporation (Armonk, NY)

Patent Classifications (CPCs):

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

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

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

H01L31/02008 - {for solar cells or solar cell modules}
H01L31/0326 - {comprising AIBIICIVDVI kesterite compounds, e.g. Cu2ZnSnSe4, Cu2ZnSnS4}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

Y02E10/541 - CuInSe2 material PV cells

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01B - CABLES

H01B1/06 - mainly consisting of other non-metallic substances

C - CHEMISTRY C09 - DYES C09D - COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS

C09D11/52 - Electrically conductive inks

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

H01L31/0749 - including a AIBIIICVI compound, e.g. CdS/CulnSe2 [CIS] heterojunction solar cells
H01L31/18 - Processes or apparatus peculiar to the manufacture or treatment of these devices or of parts thereof
H01L31/0322 - {comprising only AIBIIICVI chalcopyrite compounds, e.g. Cu In Se2, Cu Ga Se2, Cu In Ga Se2}

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DOE Contract Number:  

EE0006334

Resource Type:

Patent

Resource Relation:

Patent File Date: 2016-10-06

Country of Publication:

United States

Language:

English