The Symposium on Molecular Solar Thermal Systems 2021 was held between 20 and 21 April on line. It was a very successful event, with 153 registered participants from 63 universities, institutes & companies spread across 20 countries. An excellent program with 9 invited talks, 12 contributed talks and posters joined together some of the leading actors in the MOST technology worldwide. Poster prizes sponsored by the Journal of Materials Chemistry C were awarded to Corinna Stumm from FAU Erlangen-Nürnberg, Alketa Lutolli from Indiana University and Felix Hemauer from FAU Erlangen-Nürnberg.
We thank all the participants in the event. Looking forward already to next edition .