Issue 43, 2022

Underlying physics and chemistry of ferroic-photocatalysis: a critical review

Abstract

Photocatalysis involving ferroic materials (hereafter ferroic-photocatalysis for simplicity) is emerging as an effective strategy to counter the recombination loss of photogenerated charge carriers. The built-in electric field, or exotic polarization profile, associated with domain walls (DWs) in ferroic-photocatalysts can inherently separate and drift the photogenerated electrons and holes to desired oxidation and reduction sites, and drive efficiently the photocatalytic reactions. Despite some initial exciting reports, only limited attempts have been made towards understanding the underlying physico-chemistry of ferroic-photocatalysis. Herein, we provide a fundamental overview of ferro-photocatalysis with emphasis on recent progress in the field. Specifically, we aim to bridge ferroelectric physics and photocatalytic chemistry by introducing the built-in electric field, anomalous photovoltaic effect, polar nano regions and surface active sites. Our objective is to stress the importance of the underlying dynamics at play in ferroic-photocatalysis and discuss the possibility of advancing this cross-disciplinary field.

Graphical abstract: Underlying physics and chemistry of ferroic-photocatalysis: a critical review

Article information

Article type
Review Article
Submitted
02 jul 2022
Accepted
27 sep 2022
First published
31 okt 2022

J. Mater. Chem. A, 2022,10, 22977-22991

Underlying physics and chemistry of ferroic-photocatalysis: a critical review

M. A. Boda, R. L. Withers, Y. Liu, J. Ye and Z. Yi, J. Mater. Chem. A, 2022, 10, 22977 DOI: 10.1039/D2TA05294F

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