Some Observations on the Development of Superior Photocatalytic Systems for Application to Water Purification by the “Adsorb and Shuttle” or the Interphase Charge Transfer Mechanisms
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Photocatalysis experiments and review for water purification; chemistry.
This reviews and tests photocatalytic systems for water purification, not evidence-synthesis methodology.
Photocatalysis materials science for water purification.
Résumé
Adsorb and shuttle (A/S) and interfacial charge transfer are the two major strategies for overcoming recombination in photocatalysis in this era of nanoparticle composites. Their relationships are considered here. A review of key literature is accompanied by a presentation of three new experiments within the overall aim of assessing the relation of these strategies. The cases presented include: A/S by a high silica zeolite/TiO2 composite, charge transfer (CT) between phases in a TiO2/WO3 composite and both A/S and CT by composites of TiO2 with powered activated carbon (AC) and single-walled carbon nanotubes (SWCNT). The opportunities presented by the two strategies for moving toward photocatalysts that could support applications for the removal of contaminants from drinking water or that lead to a practical adsorbent for organics that could be regenerated photocatalytically link this discussion to ongoing research here.
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La notice
- Revue
- Molecules
- Thématique
- TiO2 Photocatalysis and Solar Cells
- Domaine
- Energy
- Établissements canadiens
- University of Calgary
- Organismes subventionnaires
- Natural Sciences and Engineering Research Council of Canada
- Mots-clés
- PhotocatalysisAdsorptionActivated carbonComposite numberInterphaseMaterials scienceChemical engineeringNanotechnologyZeoliteCarbon nanotubeCarbon fibersCharge (physics)Portable water purificationComposite materialChemistryEnvironmental scienceEnvironmental engineeringCatalysisOrganic chemistryEngineeringPhysics
- Résumé présent dans OpenAlex
- oui