Pdots (IMAGE) Uppsala University Caption The polymer dots in the black solution (inset image) can absorb more light, and show better photocatalytic properties, than the single-component polymer dots in the coloured solutions. Credit P-Cat Usage Restrictions This image may only be used when reporting about Haining Tian's research. 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.