A New Class of Atomically Precise, Hydride-Rich Silver Nanoclusters Co-Protected by Phosphines

Megalamane Siddaramappa Bootharaju, Raju Dey, Lieven Gevers, Mohamed N. Hedhili, Jean-Marie Basset, Osman Bakr

Research output: Contribution to journalArticlepeer-review

75 Scopus citations

Abstract

Thiols and phosphines are the most widely used organic ligands to attain atomically precise metal nanoclusters (NCs). Here, we used simple hydrides (e.g., H–) as ligands along with phosphines, such as triphenylphosphine (TPP), 1,2-bis(diphenylphosphino)ethane [DPPE], and tris(4-fluorophenyl)phosphine [TFPP] to design and synthesize a new class of hydride-rich silver NCs. This class includes [Ag18H16(TPP)10]2+, [Ag25H22(DPPE)8]3+, and [Ag26H22(TFPP)13]2+. Our work reveals a new family of atomically precise NCs protected by H– ligands and labile phosphines, with potentially more accessible active metal sites for functionalization and provides a new set of stable NC sizes with simpler ligand–metal bonding for researchers to explore both experimentally and computationally.
Original languageEnglish (US)
Pages (from-to)13770-13773
Number of pages4
JournalJournal of the American Chemical Society
Volume138
Issue number42
DOIs
StatePublished - Oct 18 2016

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