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Title: Hybrid vapor phase-solution phase growth techniques for improved CZT(S,Se) photovoltaic device performance

Patent ·
OSTI ID:1525045
; ; ;

A hybrid vapor phase-solution phase CZT(S,Se) growth technique is provided. In one aspect, a method of forming a kesterite absorber material on a substrate includes the steps of: depositing a layer of a first kesterite material on the substrate using a vapor phase deposition process, wherein the first kesterite material includes Cu, Zn, Sn, and at least one of S and Se; annealing the first kesterite material to crystallize the first kesterite material; and depositing a layer of a second kesterite material on a side of the first kesterite material opposite the substrate using a solution phase deposition process, wherein the second kesterite material includes Cu, Zn, Sn, and at least one of S and Se, wherein the first kesterite material and the second kesterite material form a multi-layer stack of the absorber material on the substrate. A photovoltaic device and method of formation thereof are also provided.

Research Organization:
International Business Machines Corp., Armonk, NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0006334
Assignee:
International Business Machines Corporation (Armonk, NY)
Patent Number(s):
10,230,014
Application Number:
15/342,618
OSTI ID:
1525045
Resource Relation:
Patent File Date: 2016-11-03
Country of Publication:
United States
Language:
English

References (10)

Method of Forming Semiconductor Film and Photovoltaic Device Including the Film patent-application April 2011
Techniques for Forming a Chalcogenide Thin Film Using Additive to a Liquid-Based Chalcogenide Precursor patent-application November 2013
Process for Preparation of Elemental Chalcogen Solutions and Method of Employing Said Solutions in Preparation of Kesterite Films patent-application February 2013
Photovoltaic Device Including a CZTS Absorber Layer and Method of Manufacturing the Same patent-application March 2013
Back Contact Work Function Modification for Increasing CZTSSe Thin Film Photovoltaic Efficiency patent-application October 2013
Effusion cell patent December 2000
Thin film photovoltaic cell patent-application September 2011
Chalcogenide solutions patent July 2014
Space solar cell patent May 2001
Structure and method of fabricating a CZTS photovoltaic device by electrodeposition patent April 2013

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