Fig. 7: Polarization switching and related properties of PEPI. | Nature Communications

Fig. 7: Polarization switching and related properties of PEPI.

From: Tailoring of a visible-light-absorbing biaxial ferroelectric towards broadband self-driven photodetection

Fig. 7

a Photovoltage dependence of temperature for PEPI. b I–V characteristics with the inversion of polarized direction. Both the direction of Voc and Isc can be reversed by inverting electric poling. c Schematic illustration of switchable photocurrent directions with polarization-related photoexcited carriers with the charge separation under positive polarization direction and negative polarization direction.

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