Seeking a Au-C stretch on gold nanoparticles with 13 C-labeled N-heterocyclic carbenes.
Isabel M JensenShayanta ChowdhuryGaohe HuLasse JensenJon P CamdenDavid M JenkinsPublished in: Chemical communications (Cambridge, England) (2023)
Gold nanoparticles were functionalized with natural abundance and 13 C-labeled N-heterocyclic carbenes (NHCs) to investigate the Au-C stretch. A combinatorial approach of surface enhanced Raman spectroscopy (SERS) and density-functional theory (DFT) calculations highlighted vibrational modes significantly impacted by isotopic labeling at the carbene carbon. Critically, no isotopically-impacted stretching mode showed majority Au-C character.