Ruzicka, J.Abu Bakar, F.Hoeck, C.Adnan, R.Mcnicoll, C.Kemmitt, T.Cowie, B.Metha, G.Andersson, G.Golovko, V.2018-07-052018-07-052015The Journal of Physical Chemistry C: Energy Conversion and Storage, Optical and Electronic Devices, Interfaces, Nanomaterials, and Hard Matter, 2015; 119(43):24465-244741932-74471932-7455http://hdl.handle.net/2440/113330Published: October 1, 2015Well-defined Au–TiO₂ materials were synthesized by deposition of triphenylphosphine-protected Au₉ clusters on TiO₂ (Aeroxide P-25), pre-treated in eight different ways and subsequently exposed to two post-treatments. X-ray photoelectron spectroscopy and UV–vis diffuse reflectance spectroscopy studies showed that in most cases the PPh₃ ligand shell was removed upon deposition even before post-treatment, coinciding with some cluster aggregation. However, clusters deposited on TiO₂ treated using H₂SO₄ and H2O₂ showed remarkable resistance to aggregation, even after high-temperature calcination, while clusters on H₂-treated TiO₂ showed the greatest resistance to aggregation under ozonolysis.en© 2015 American Chemical Society. This is an open access article published under an ACS AuthorChoice License, which permits copying and redistribution of the article or any adaptations for non-commercial purposes.Journal article003006630010.1021/acs.jpcc.5b077320003639945000292-s2.0-84946071457341140Metha, G. [0000-0003-1094-0947]