Ferroelectric materials for solar energy conversion: photoferroics revisited

Keith T. Butler, Jarvist M. Frost, Aron Walsh

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Abstract

The application of ferroelectric materials (i.e. solids that exhibit spontaneous electric polarisation) in solar cells has a long and controversial history. This includes the first observations of the anomalous photovoltaic effect (APE) and the bulk photovoltaic effect (BPE). The recent successful application of inorganic and hybrid perovskite structured materials (e.g. BiFeO3, CsSnI3, CH3NH3PbI3) in solar cells emphasises that polar semiconductors can be used in conventional photovoltaic architectures. We review developments in this field, with a particular emphasis on the materials known to display the APE/BPE (e.g. ZnS, CdTe, SbSI), and the theoretical explanation. Critical analysis is complemented with first-principles calculation of the underlying electronic structure. In addition to discussing the implications of a ferroelectric absorber layer, and the solid state theory of polarisation (Berry phase analysis), design principles and opportunities for high-efficiency ferroelectric photovoltaics are presented.
Original languageEnglish
Pages (from-to)838–848
JournalEnergy & Environmental Science
Volume8
Issue number3
Early online date22 Dec 2014
DOIs
Publication statusPublished - 1 Mar 2015

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Photovoltaic effects
Energy conversion
Solar energy
Ferroelectric materials
Solar cells
polarization
Polarization
critical analysis
perovskite
Perovskite
Electronic structure
Semiconductor materials
material
effect
energy conversion
solar energy
history
solar cell

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Ferroelectric materials for solar energy conversion: photoferroics revisited. / Butler, Keith T.; Frost, Jarvist M.; Walsh, Aron.

In: Energy & Environmental Science, Vol. 8, No. 3, 01.03.2015, p. 838–848.

Research output: Contribution to journalArticle

Butler, Keith T. ; Frost, Jarvist M. ; Walsh, Aron. / Ferroelectric materials for solar energy conversion: photoferroics revisited. In: Energy & Environmental Science. 2015 ; Vol. 8, No. 3. pp. 838–848.
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