Cu/Zn illustration (IMAGE) Stockholm University Caption Figure illustrates a Cu surface covered with small amount of Zn probed with photoelectron spectroscopy during reaction of CO2, CO and H2 to methanol. Credit Stockholm University Usage Restrictions Free for media to use. 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.