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  All-organic Z-scheme photoreduction of CO2 with water as the donor of electrons and protons

Mazzanti, S., Cao, S., ten Brummelhuis, K., Völkel, A., Khamrai, J., Sharapa, D. I., et al. (2021). All-organic Z-scheme photoreduction of CO2 with water as the donor of electrons and protons. Applied Catalysis B: Environmental, 285: 119773. doi:10.1016/j.apcatb.2020.119773.

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Mazzanti, Stefano1, Autor                 
Cao, Shaowen2, Autor           
ten Brummelhuis, Katharina3, Autor           
Völkel, Antje3, Autor           
Khamrai, Jagadish, Autor
Sharapa, Dmitry I., Autor
Youk, Sol4, Autor           
Heil, Tobias5, Autor           
Tarakina, Nadezda V.3, Autor           
Strauß, Volker6, Autor           
Ghosh, Indrajit, Autor
König, Burkhard, Autor
Oschatz, Martin4, Autor           
Antonietti, Markus2, Autor           
Savateev, Aleksandr1, Autor           
Affiliations:
1Aleksandr Savateev, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2421702              
2Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863321              
3Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863288              
4Martin Oschatz, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2364733              
5Nadezda V. Tarakina, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2522693              
6Volker Strauß, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_3025555              

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Schlagwörter: Carbon nitride, Photocatalysis, CO, Flavins, Heterojunctions
 Zusammenfassung: Carbon nitrides and flavins are two classes of easy accessible transition metal-free, photoactive materials. Their photocatalytic efficiency to enable a variety of chemical reactions is well documented. Here, we report on their combination in one photocatalytic system by designing biomimetic non-spherical core-shell architectures comprising micro-sized crystals of flavins decorated by potassium poly(heptazine imide) nanoparticles on the surface. The designed non-spherical core-shell composites are tested in the photocatalytic CO2 reduction to CH4, MeOH, EtOH and CO using water vapor as a donor of electrons and protons at the gas-solid interface. The forged Z-scheme heterojunction between these two materials allows increasing of their photocatalytic performance. Whereby excited states lifetimes are extended by interface charge recombination and photoredox processes are boosted because of an overall wider band gap.

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Sprache(n): eng - English
 Datum: 2020-12-102021
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1016/j.apcatb.2020.119773
BibTex Citekey: MAZZANTI2021119773
 Art des Abschluß: -

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Titel: Applied Catalysis B: Environmental
  Kurztitel : Appl. Catal. B Environ.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Amsterdam : Elsevier
Seiten: - Band / Heft: 285 Artikelnummer: 119773 Start- / Endseite: - Identifikator: ISSN: 0926-3373