A novel path for sustainable photon upconversion with non-precious metals

https://phys.org/news/2022-06-path-sustainable-photon-upconversion-non-precious.html

"laser flash photolysis technique... detect all intermediates... for upconversion... quantitative laser experiments... absence of inherent energy loss channels and side reactions... transfer and convert solar energy with chromium compounds... light-driven reactions... instead of using the rare, more costly ruthenium and iridium compounds... Together with our partners at BAM in Berlin and other universities we will continue to push on with our efforts to develop a more sustainable photochemistry"