Robuta

https://www.sciencedaily.com/releases/2021/03/210310100646.htm
Researchers have created a tin monosulfide (SnS) solar cell that boasts attractive performance levels, promoting affordable and clean energy and moving society...
tin monosulfidesolar cellnewefficientprototype
https://www.tohoku.ac.jp/en/press/tin_monosulfide_for_solar_cells.html
A team has succeeded in growing large single crystals of tin monosulfide.
research newstin monosulfidelargecrystalopens