Abstract
The ferroelectric photovoltaic effect has recently attracted a considerable amount of attention owing to its potential aspect of the controllable photoelectric response output. In this Letter, we attain an ultrahigh open-circuit voltage of 24 V (or 600 V/cm) in Pb(In1/2Nb1/2)O3–Pb(Mg1/3Nb2/3)O3–PbTiO3 ferroelectric ceramics. Moreover, the polarization-modulated photovoltaic properties are authenticated, and the regulation mechanism is clarified. It is suggested that the poling electric field can regulate the bulk polarization intensity through a hierarchical domain switching, further achieving the controllable photoelectric response output. Our work suggests that PIMN-PT ceramic is a promising candidate for use in solar energy conversion technology.
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