Nanomaterial for Water Treatment (IMAGE) American Institute of Physics Caption The photocatalytic nanomaterial can be used to treat water using visible light. Credit D. Bahnemann/LUH Germany Usage Restrictions This image may be used only with appropriate caption and 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.