We develop conducting electron spin resonance (CESR) as a tool for measuring the influence of surface ligands upon the electronic properties of metallic nanoparticles. We examine the influence of changes in the binding group of the ligand (e.g., thiolate, selenolate, telerolate, isocyanide, etc.) as well as changes to the ligand tail (e.g., length of alkane chain, substituents on aromatic rings).  We examine these effects for multiple metal cores (e.g., Au, Ag, Cu, Pd, Pt, etc.), and find that the influence of the ligands can be explained via simple electrostatic and binding models that focus on the core-ligand interface.

Bringing inorganic insight to ligand design for metallic nanoparticles

255th National Meeting (2018)

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