Performance and limits of 2.0 eV bandgap CuInGaS2 solar absorber integrated with CdS buffer on F:SnO2 substrate for multijunction photovoltaic and photoelectrochemical water splitting devices

Author:

Gaillard Nicolas1ORCID,Septina Wilman1,Varley Joel2,Ogitsu Tadashi2,Ohtaki Kenta K.3ORCID,Ishii Hope A.3ORCID,Bradley John P.3,Muzzillo Christopher4,Zhu Kai4ORCID,Babbe Finn5,Cooper Jason5

Affiliation:

1. Hawaii Natural Energy Institute, University of Hawaii, Honolulu, Hawaii 96822, USA

2. Lawrence Livermore National Laboratory, Livermore, California 94550, USA

3. Hawaii Institute of Geophysics & Planetology, University of Hawaii, Honolulu, Hawaii 96822, USA

4. National Renewable Energy Laboratory, Golden, Colorado 80401, USA

5. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA

Abstract

Photocurrent density in excess of 10 mA cm−2 reported on 2.0 eV CuInGaS2 solar cells integrated on SnO2:F substrates, yet new wide bandgap n-type buffers required to achieve higher photoconversion efficiency.

Funder

U.S. Department of Energy

Publisher

Royal Society of Chemistry (RSC)

Subject

Microbiology

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