Titanium Dioxide Nanoparticles Functionalized with Pd and W Complexes of a Catecholphosphane Ligand | Zendy

Lucas Nigel T. | Zendy; Hook James M. | Zendy; McDonagh Andrew M. | Zendy; Colbran Stephen B. | Zendy

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Titanium Dioxide Nanoparticles Functionalized with Pd and W Complexes of a Catecholphosphane Ligand

Author(s) -

Lucas Nigel T.,

Hook James M.,

McDonagh Andrew M.,

Colbran Stephen B.

Publication year - 2005

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.200400584

Subject(s) - chemistry , phenylacetylene , bifunctional , palladium , sonogashira coupling , ligand (biochemistry) , tungsten , nanoparticle , photochemistry , titanium dioxide , infrared spectroscopy , surface modification , titanium , inorganic chemistry , catalysis , organic chemistry , nanotechnology , chemical engineering , engineering , biochemistry , materials science , receptor

Palladium and tungsten complexes containing the bifunctional ligand 4‐diphenylphosphanylcatechol (L 1 ) have been synthesized. The catecholate functionality strongly binds to titanium dioxide nanoparticles, effectively anchoring the complexes to the TiO 2 surface. Solid‐state 31 P NMR spectroscopy was used to probe the surface‐bound compounds. Diffuse reflectance infrared spectroscopy also provided data on surface‐bound tungsten carbonyl complexes. Preliminary experiments show that the palladium phosphane complex [PdBr 2 (L 1 ) 2 ] supported on TiO 2 catalyzes the Sonogashira coupling of phenylacetylene with 4‐iodonitrobenzene. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)

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