  The use of photoferroic materials that combine ferroelectric and light
harvesting properties in a photovoltaic device is a promising route to
significantly improve the efficiency of solar cells. These materials do not
require the formation of a p-n junction and can produce photovoltages well
above the value of the band gap, because of the spontaneous intrinsic
polarization and the formation of domain walls. In this perspective, we discuss
the recent experimental progresses and challenges for the synthesis of these
materials and the theoretical discovery of novel photoferroic materials using a
high-throughput approach.
