Αποτελέσματα Αναζήτησης
15 Ιουν 2024 · This study presents a thorough spectroscopic analysis of TiO 2 -Pt systems under LED irradiation, with a focus on elucidating the photodeposition process of Pt nanoparticles onto TiO 2...
9 Αυγ 2024 · Here, the authors report a novel Pt/TiO2 catalyst consisting of Pt–Ti intermetallic single-atom alloy and Pt nanoparticles to efficiently catalyze CO oxidation.
7 Μαρ 2024 · The microstructure of the Pt/SiO 2 catalyst was investigated via XRD measurement (Supplementary Fig. 1b) and shows diffraction peaks at 39.5 and 46°, corresponding to the (111) and (200)...
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 ...
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 · Highlights. •. Synthesized TiO2 +Pt solids can be used as photo, thermal and photothermal catalysts. •. The nature of the TiO2 support affects the interaction between Pt and TiO2. •. The Schottky barrier enables the separation of charge carriers in TiO2+Pt catalysts. •.
The XRD analysis of the prepared sample of TiO 2 nanoparticles was done using a Bruker make diffractometer, Cu-Kα X-rays of wavelength (λ)=1.5406 Å and data was taken for the 2 θ range of 10° to 70° with a step of 0.1972°.
