Jan 1, 2024 · This work systematically and elegantly employs an argon ion (Ar +) beam to create oxygen vacancies in TiO 2 mesoporous film at different time of radiation exposure. Survey …

Download scientific diagram | XPS spectra of anatase and rutile TiO2 nanocrystals. High resolution Ti 2p spectra for (a) anatase and (c) rutile TiO2 nanocrystals.

Jul 5, 2023 · X-ray photoelectron spectroscopy (XPS) was performed to determine the surface chemical composition in both after-processing conditions (passive layer) and after-processing …

Feb 27, 2017 · To address these needs, we employed an advanced XPS with synchrotron radiation light source to investigate the surface changes of bulk photocatalytic TiO 2 powder …

Apr 3, 2001 · The surfaces of hydrophilic (P25) and hydrophobic (T805) TiO 2 particles were characterized by X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared …

The impact of a titania (TiO2) support film surface on the catalytic activity of gold nanoparticles (Au NP) was investigated. Using the reactive dc-magnetron sputtering technique, TiO2 films …

Jul 1, 1996 · A stochiometric TiO 2 surface can reproducibly be prepared through sputtering and annealing in oxygen (2 × 10 −4 Pa, 900 K). Our XPS core level spectra are measured from a …

Although C 1s set to 284.8 eV can be used as an internal charge correction it is also possible in this case to use the Ti 2p3/2 metal peak set at 453.7 eV or the clearly defined Ti (IV) (TiO2) …

Jul 1, 1996 · In this study, the impact of supported Pt particles on the thermal and photocatalytic activity of well-defined anatase TiO2 (A-TiO2) nanocrystals (NCs) was investigated.

In this paper we report the effect of annealing in different media on the structural properties and composition of the films by XRD and XPS and the mechanism for the incorporation of Nb in …