Front Cover: The Buoy Effect: Surface Enrichment of a Pt Complex in IL Solution by Ligand Design (Chem. Eur. J. 3/2023).

Keywords: catalysis; ionic liquids; surface analysis; surface enrichment; X-ray photoelectron spectroscopy (XPS) EN catalysis ionic liquids surface analysis surface enrichment X-ray photoelectron spectroscopy (XPS) 1 1 1 01/16/23 20230112 NES 230112 B Fluorinated side chains b of a functionalized Pt complex in an ionic liquid act as buoys, leading to pronounced enrichment of the complex at the IL/gas interface, as is evidenced by strongly enhanced Pt signals in angle-resolved photoelectron spectroscopy. Catalysis, ionic liquids, surface analysis, surface enrichment, X-ray photoelectron spectroscopy (XPS). [Extracted from the article]