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Investigation of KBiFe2O5 as a Photovoltaic Absorber

Abstract : KBiFe 2 O 5 (KBFO) was grown by pulsed laser deposition (PLD) on SrTiO 3 (001) (STO), 1 at% Nb-SrTiO 3 (001) (Nb-STO) and MgAl 2 O 4 (001) (MAO). In the case of MAO substrate, epitaxial growth is obtained. As its bandgap is relatively low (1.6 eV in the bulk), KBFO is a promising candidate for oxide photovoltaics. In this work we examine the growth of KBFO by PLD by looking at its structure and composition and we investigate the optical properties of the films obtained. A photovoltaic architecture based on KBFO films is proposed and a solar cell behaviour based on KBFO absorber is obtained.
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https://hal-cnrs.archives-ouvertes.fr/hal-02549953
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Submitted on : Thursday, November 5, 2020 - 11:17:56 AM
Last modification on : Friday, December 11, 2020 - 9:14:01 AM
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This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Energy Materials, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acsaem.9b01509

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Thomas Fix, G. Schmerber, J.-L. Rehspringer, C. Leuvrey, S. Roques, et al.. Investigation of KBiFe2O5 as a Photovoltaic Absorber. ACS Applied Energy Materials, ACS, 2019, 2 (11), pp.8039-8044. ⟨10.1021/acsaem.9b01509⟩. ⟨hal-02549953⟩

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