"Scientists at the Birla Institute of Technology and Science, Pilani – Hyderabad Campus, Indian Institute of Technology Kanpur and Defence Materials and Stores R & D Establishment – DRDO, Kanpur, said submerged cells benefit from lower temperatures and are in an ideal environment for cleaning.
Underwater devices obviously suffer lower solar radiation, however, citing another study the group said mono and polycrystalline cells would see a 20% fall in conversion efficiency at a depth of 1m but amorphous silicon devices showed less of a reduction at 1.5m, thus exhibiting potentially “stimulating outcomes”."
https://www.pv-magazine.com/2020/02/25/how-do-solar-cells-work-underwater/
Underwater devices obviously suffer lower solar radiation, however, citing another study the group said mono and polycrystalline cells would see a 20% fall in conversion efficiency at a depth of 1m but amorphous silicon devices showed less of a reduction at 1.5m, thus exhibiting potentially “stimulating outcomes”."
https://www.pv-magazine.com/2020/02/25/how-do-solar-cells-work-underwater/