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Photo, thermal and photothermal activity of ▫$TiO_2$▫ supported Pt catalysts for plasmon-driven environmental applicationsŽerjav, Gregor, 1981- ...TiO2+Pt plasmonic solids with 1 wt% Pt and different TiO2 supports (anatase nanoparticles (TNP), polycrystalline nanorods (a-TNR) and single-crystal anatase nanorods (TNR)) were synthesized using the ... wet impregnation technique and tested as photo, thermal and photothermal catalysts in gas-solid and gas-liquid-solid reactions. Due to the different charges of the TiO2 support surfaces, Pt particles with different sizes, crystallinities and degrees of interaction with the TiO2 supports were formed during the synthesis. The heights of the Schottky barrier (SBH) were 0.38 eV for the a-TNR+Pt, 0.41 eV for the TNP+Pt, and 0.50 eV for the TNR+Pt samples, respectively. The low visible-light-triggered photocatalytic activity of the TNR+Pt catalyst toward the oxidation of water-dissolved bisphenol A (BPA) is attributed to its high SBH and active site deactivation due to the adsorption of BPA and/or BPA oxidation products. The highest photothermal catalytic H2-assisted NO2 reduction rate was expressed by the TNR+Pt catalyst. This can be ascribed to the presence of a narrow particle size distribution of small Pt particles, the absence of the Pt catalysed reduction of the TNR support at higher temperatures, and the lower rate of re-injection of “hot electrons” from the TNR support to the Pt particles.Source: Journal of environmental chemical engineering [Elektronski vir]. - ISSN 2213-3437 (Vol. 11, iss. 3, [article no.] 110209, Jun. 2023, str. 1-12)Type of material - e-article ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 153849603
Author
Žerjav, Gregor, 1981- |
Say, Zafer |
Zavašnik, Janez, 1981- |
Finšgar, Matjaž |
Langhammer, Christoph |
Pintar, Albin
Topics
heterogeneous photocatalysis |
titanium dioxide |
plasmonic noble metal |
platinum particles |
visible light illumination |
Schottky barrier height |
bisphenol A |
wastewater treatment |
NOx abatement |
air cleaning |
microreactor |
thermal catalysis |
photothermal catalysis |
heterogena fotokataliza |
titanov dioksid |
delci platine |
bisfenol A |
višina Schottkyjeve bariere |
obdelava odpadnih voda |
čiščenje zraka |
mikroreaktor |
termalna kataliza |
fototermalna kataliza
Author | Žerjav, Gregor, 1981- ... |
Title | Photo, thermal and photothermal activity of ▫$TiO_2$▫ supported Pt catalysts for plasmon-driven environmental applications |
Publication date | 2023-06-01 |
COBISS.SI-ID | 153849603 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
---|---|---|---|
Integralni pristop k preprečevanju onesnaževanja voda | P2-0150-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Plazma in kvantne strukture | P1-0417-2022 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Tekstilna kemija in napredni tekstilni materiali | P2-0118-2022 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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https://www.sciencedirect.com/science/article/pii/S221334372300948X?via%3Dihub |
https://dirros.openscience.si/IzpisGradiva.php?id=16656 |
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Žerjav, Gregor, 1981- | 32927 |
Say, Zafer | |
Zavašnik, Janez, 1981- | 33329 |
Finšgar, Matjaž | 28477 |
Langhammer, Christoph | |
Pintar, Albin | 11874 |
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