Fig 2. (IMAGE) Science China Press Caption Photocatalytic CO2 reduction with Ru-1-Ru-4 PSs and their photocatalytic mechanism. Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Licensed 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.