Structure of Rh1/Cs-PTA (IMAGE) Science China Press Caption (a) SEM image of Rh1/Cs-PTA; (b) Tertiary structure: porous particle (100~200 nm); (c) Secondary structure: ionic crystals (10~20 nm); (d) Primary structure: top view of the optimized geometry of Rh1/PTA, ~1 nm), purple: Rh, blue: W, red: O, pink: P; (e) Charge density difference of Rh1/PTA; (f) Spin-polarized partial density of states projected on Rh s, p and d (green, blue and red) states. Credit ©Science China Press Usage Restrictions Use with credit. License Original content 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.