Atomically Precise Metal Nanoclusters (IMAGE) Tsinghua University Press Caption Phosphine ligands modify the structure of metal nanoclusters in a top-down evolutionary process by "peeling" and "etching.” This phosphine-LEIST reaction allows the construction of metal nanoclusters with functional catalytic performance and optical properties. Credit Polyoxometalates, Tsinghua University Press Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.