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

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Molecular titanium–hydroxamate complexes as models for TiO₂ surface binding†

Bradley J. Brennan,^a Jeffrey Chen,^b Benjamin Rudshteyn,^a Subhajyoti Chaudhuri,^a Brandon Q. Mercado,^b Victor S. Batista,*^a Robert H. Crabtree*^b and Gary W. Brudvig*^a

Author affiliations

* Corresponding authors

^a Energy Sciences Institute and Department of Chemistry, Yale University, New Haven, Connecticut 06520, USA
E-mail: victor.batista@yale.edu, gary.brudvig@yale.edu

^b Department of Chemistry, Yale University, New Haven, Connecticut 06520, USA
E-mail: robert.crabtree@yale.edu

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.

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Article information

DOI: https://doi.org/10.1039/C5CC09857B
Article type: Communication
Submitted: 29 Nov 2015
Accepted: 12 Jan 2016
First published: 12 Jan 2016
This article is Open Access

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Chem. Commun., 2016,52, 2972-2975

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Molecular titanium–hydroxamate complexes as models for TiO₂ surface binding

B. J. Brennan, J. Chen, B. Rudshteyn, S. Chaudhuri, B. Q. Mercado, V. S. Batista, R. H. Crabtree and G. W. Brudvig, Chem. Commun., 2016, 52, 2972 DOI: 10.1039/C5CC09857B

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