COF product (IMAGE) National Institute for Materials Science, Japan Caption (a) The on-surface chemical reaction developed in this research. (b) Schematic of the silicon-integrated COF film synthesized on the gold surface. Bromine atoms (Br): red spheres; silicon atoms (Si): purple spheres; carbon atoms: black spheres; hydrogen atoms: white spheres; and gold atoms on the substrate surface: gold spheres. Credit Shigeki Kawai National Institute for Materials Science Usage Restrictions None 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.