Molecular titanium-hydroxamate complexes as models for TiO2 surface binding

Bradley J Brennan; Jeffrey Chen; Benjamin Rudshteyn; Subhajyoti Chaudhuri; Brandon Q Mercado; Victor S Batista; Robert H Crabtree; Gary W Brudvig

doi:10.1039/c5cc09857b

Molecular titanium-hydroxamate complexes as models for TiO2 surface binding

Chem Commun (Camb). 2016 Feb 18;52(14):2972-5. doi: 10.1039/c5cc09857b.

Authors

Bradley J Brennan¹, Jeffrey Chen², Benjamin Rudshteyn¹, Subhajyoti Chaudhuri¹, Brandon Q Mercado², Victor S Batista¹, Robert H Crabtree², Gary W Brudvig¹

Affiliations

¹ Energy Sciences Institute and Department of Chemistry, Yale University, New Haven, Connecticut 06520, USA. victor.batista@yale.edu gary.brudvig@yale.edu.
² Department of Chemistry, Yale University, New Haven, Connecticut 06520, USA. robert.crabtree@yale.edu.

PMID: 26781247
DOI: 10.1039/c5cc09857b

Abstract

Hydroxamate binding modes and protonation states have yet to be conclusively determined. Molecular titanium(iv) phenylhydroxamate complexes were synthesized as structural and spectroscopic models, and compared to functionalized TiO2 nanoparticles. In a combined experimental-theoretical study, we find that the predominant binding form is monodeprotonated, with evidence for the chelate mode.

Publication types

Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.