HREELS Evaluation of Coronene Monolayer Adsorption on Au(111) as the First Base Layer to Achieve Coordination Programming

To achieve coordination programming at an electrode surface, the first functional layer is highly important. In this study, high-resolution electron energy-loss spectroscopy (HREELS) was used to investigate coronene monolayer adsorption on a Au(111) substrate at 300 K. In the spectra, only a band attributable to the out-of-plane vibration mode was observed, suggesting that coronene molecules adsorb on the substrate with a flat orientation. Furthermore, the HREEL spectra showed that the coronene monolayer was stable even after heating to 400 K.