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 ...
1 Ιουν 2023 · The TEM-selected area electron diffraction (SAED) patterns of the prepared TiO 2 +Pt catalysts (inset in Fig. 2, with ab-initio simulations for anatase, Pt, and their mixture) correspond to anatase TiO 2 and the minor presence of Pt in all the examined TiO 2 +Pt samples.
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...
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.
The catalysts characterized by SEM, EDX, DRS, and XRD techniques showed successful deposition of Pd and Pt atoms on TiO2 surface that enabled light absorption in the visible (Vis) range,...
This review describes the research progress in theoretical calculations related to TiO 2-based photocatalytic water splitting, focusing on the analysis of the adsorption state of water molecules with different levels of coverage on the TiO 2 surface, the rate-limiting steps of the decomposition of water molecules on the TiO 2 surface, and the ...
1 Ιαν 2020 · We report the remarkable production of H 2 and H 2 O 2 from pure water using porous brookite TiO 2 nanoflutes decorated with Pt nanoparticles through two-electron photocatalytic intermediate water splitting (PIWS).
