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1985
DOI: 10.1021/ja00287a007
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An advanced visible-light-induced water reduction with dye-sensitized semiconductor powder catalyst

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Cited by 225 publications
(141 citation statements)
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“…The stability difference of above three catalysts might be attributed to the different dehalogenated degradation behaviors of EY and RB. In a xanthene dye sensitized photocatalytic system, the internal heavy-atom effect stemmed from halogen substituent play a significant role in enhancing the intrinsic catalytic activity and stability relative to their lighter-atom counterparts [54]. EY and RB are photo-dehalogenated during reaction, competing with the H 2 evolution and finally forming an uranine-like structure having durable and moderated catalytic activity [54].…”
Section: Resultsmentioning
confidence: 99%
“…The stability difference of above three catalysts might be attributed to the different dehalogenated degradation behaviors of EY and RB. In a xanthene dye sensitized photocatalytic system, the internal heavy-atom effect stemmed from halogen substituent play a significant role in enhancing the intrinsic catalytic activity and stability relative to their lighter-atom counterparts [54]. EY and RB are photo-dehalogenated during reaction, competing with the H 2 evolution and finally forming an uranine-like structure having durable and moderated catalytic activity [54].…”
Section: Resultsmentioning
confidence: 99%
“…Apparent quantum yields were evaluated for hydrogen generation over EY-sensitized Pt/TiO 2 according to the formulae shown below (Eq. (23)) (Shimidzu et al, 1985). The quantum yield (/) would certainly be higher than the apparent quantum yield, as the adsorbed photons were a certain fraction of the incident photons.…”
Section: Apparent Quantum Yield In Uv Visible and Solar Lightmentioning
confidence: 99%
“…Es erscheint jedoch als erwiesen, dass Eosin Y nach seiner Anregung mit sichtbarem Licht und der nachfolgenden Besetzung des stabileren Triplettzustands als Photoredoxkatalysator fungiert und so schließlich den Einelektronentransfer (SET) ermög-licht (Schema 2). [24] In Analogie zur Chemie des Ru 2+ * sind auch für das photoangeregte Eosin Y 3 EY* sowohl reduktives als auch oxidatives Quenchen bekannt. [25] Aufgrund der ver- [27] Nachdem wir erfolgreich die Vielseitigkeit einfacher organischer Farbstoffe in der Photoredoxkatalyse aufzeigen konnten, richteten wir unsere Aufmerksamkeit auf die Bestimmung der Quantenausbeute der Reaktion, um so weitere Informationen über deren Effizienz zu erhalten.…”
Section: (Dtb-bpy)]unclassified