This game-changing concept combines the best of solar cells and the best of transistors into a single device the size of a biological cell. Full details of this new device concept can be found in the paper "A Solar Transistor and Photoferroelectric Memory."

New transistor concept, solar cell included
March 6, 2018
Catalan Institute of Nanoscience and Nanotechnology

https://m.phys.org/news/2018-03-transistor-co...-cell.html