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Using Dilute Nitrides to Achieve Record Solar Cell Efficiencies

Published online by Cambridge University Press:  21 May 2013

Rebecca Jones-Albertus ,
Emily Becker ,
Robert Bergner ,
Taner Bilir ,
Daniel Derkacs ,
Onur Fidaner ,
David Jory ,
Ting Liu ,
Ewelina Lucow  and
Pranob Misra
...Show all authors
Rebecca Jones-Albertus
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Emily Becker
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Robert Bergner
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Taner Bilir
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Daniel Derkacs
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Onur Fidaner
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
David Jory
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Ting Liu
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Ewelina Lucow
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Pranob Misra
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Evan Pickett
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Ferran Suarez
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Arsen Sukiasyan
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Ted Sun
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Lan Zhang
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Vijit Sabnis
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Mike Wiemer
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
Homan Yuen
Affiliation:
Solar Junction, 401 Charcot Avenue, San Jose, CA 95131, U.S.A.
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Abstract

High quality dilute nitride subcells for multijunction solar cells are achieved using GaInNAsSb. The effects on device performance of Sb composition, strain and purity of the GaInNAsSb material are discussed. New world records in efficiency have been set with lattice-matched InGaP/GaAs/GaInNAsSb triple junction solar cells and a roadmap to 50% efficiency with lattice-matched multijunction solar cells using GaInNAsSb is shown.

Keywords

photovoltaicIII-Vmolecular beam epitaxy (MBE)
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1538: Symposium FF – Compound Semiconductors: Thin-Film Photovoltaics, LEDs and Smart Energy Controls , 2013 , pp. 161 - 166
Copyright
Copyright © Materials Research Society 2013 

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