Fig. 1: Charge separation at meta/ferroelectric interface.
From: Bipolar charge collecting structure enables overall water splitting on ferroelectric photocatalysts
a Schematic diagram of proposed metal/ferroelectric photocatalyst. b AFM topography of Au particles on a BaTiO3 single crystal. Scale bar, 200 nm. c LWF of Au/BTO in the dark. Scale bar, 200 nm. d LWF of Au/BTO under 355 nm UV light (0.5 mW/cm2). Scale bar, 200 nm. e Line 1 (dark) and 2 (UV light) profile images were taken across two antiparallel ferroelectric domains of BTO. f Line 3 (dark) and 4 (UV light) profile images were taken across two antiparallel ferroelectric domains of Au/BTO.
