Stanford University scientists have developed a solar cell with 24 hours of power generation via an embedded thermoelectric generator, which extracts power from the radiative cooler at night. Extra daytime power from excess heating comes from the cell itself.

https://www.pv-magazine.com/2022/04/06/radiative-cooling-based-solar-cell-with-50%E2%80%89mw-m2-of-generation-at-night/?