Αποτελέσματα Αναζήτησης
27 Δεκ 2021 · Here, we have developed model Pt/TiO 2 catalysts based on the deposition of colloidal Pt nanoparticles and studied their atomic and electronic structures before and after a postdeposition treatment that induces catalytic activity using aberration-corrected scanning transmission electron microscopy, electron energy loss spectroscopy, and first ...
5 Ιαν 2023 · The changes in electronic structure of elements Ti, O, and Pt were shown clearly by the XPS measurements, indicating the formation of Ti 3+-O v-Pt δ+ interfacial sites due to the charge transfer between Pt and mpTiO 2, which can be deemed as electronic MSI (EMSI).
23 Μαΐ 2020 · The strong metal–support interaction (SMSI) is one of the most important concepts in heterogeneous catalysis. Herein we report a study of Pt-TiO 2 SMSI using Pt/rutile TiO 2 (110) model catalysts with different Pt particle sizes by means of X-ray photoelectron spectroscopy, ion scattering spectroscopy, and the adsorption of probe molecules.
1 Ιουν 2023 · S9 presents a scheme of the band gap diagram of the TiO 2 support/Pt particles system and schematically shows the formation of SBH and the transfer of visible-light-generated “hot electrons” from Pt particles to the TiO 2 support.
12 Φεβ 2024 · Here we report on the use of a titanium dioxide (TiO2) extended gate field effect transistor as an ion sensor (ISEGFET). We tested within its critical concentration range in artificial blood serum for this.
15 Απρ 2022 · The authors depicted that deposited platinum has the mediating role in trapping and transfer of photo-generated electrons from the TiO 2 to an acceptor, thus facilitating charge separation and enhancing the rate of hydrogen evolution over Pt/TiO 2 photocatalysts.
15 Ιουν 2024 · This study presents a thorough spectroscopic analysis of TiO2-Pt systems under LED irradiation, with a focus on elucidating the photodeposition process of Pt nanoparticles onto TiO2 surfaces.
