| Literature DB >> 29211456 |
Renee W Y Man1, Chien-Hung Li2, Michael W A MacLean2, Olena V Zenkina2, Matthew T Zamora2, Lisa N Saunders2, Alexander Rousina-Webb2, Masakazu Nambo1, Cathleen M Crudden2,1.
Abstract
Highly stable gold nanoparticles (Au NPs) functionalized by bidentate N-heterocyclic carbene (NHC) ligands have been synthesized by top-down and bottom-up approaches. A detailed study of the effect of alkylation, denticity, and method of synthesis has led to the production of NHC-stabilized nanoparticles with higher thermal stability than bi- and tridentate thiol-protected Au NPs and than monodentate NHC-stabilized NPs. Importantly, bidentate NHC-protected NPs also displayed unprecedented stability to external thiol, which has been an unsolved problem to date with all nanoparticles. Thus, multidentate NHC ligands are an important, and as yet unrecognized, step forward for the preparation of high stability nanomaterials.Entities:
Year: 2018 PMID: 29211456 DOI: 10.1021/jacs.7b08516
Source DB: PubMed Journal: J Am Chem Soc ISSN: 0002-7863 Impact factor: 15.419