Carlo S. Casari has been recognised as outstanding peer reviewer for RSC Nanoscale Advances in 2020. Every year The Royal Society of Chemistry – RSC highlights its outstanding peer reviewers. Based on the number, timeliness and quality of reports completed over that year, each receives a certificate in recognition of their contribution. Out of over 51,000 peer reviewers from more than 120 countries in 2020, only 500 are recognised in this way.