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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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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-AC04-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-AC05-2
Genre: Journal Article

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 Creators:
Mazzanti, Stefano1, Author              
Cao, Shaowen2, Author              
ten Brummelhuis, Katharina3, Author              
Völkel, Antje3, Author              
Khamrai, Jagadish, Author
Sharapa, Dmitry I., Author
Youk, Sol4, Author              
Heil, Tobias5, Author              
Tarakina, Nadezda V.3, Author              
Strauß, Volker6, Author              
Ghosh, Indrajit, Author
König, Burkhard, Author
Oschatz, Martin4, Author              
Antonietti, Markus2, Author              
Savateev, Aleksandr1, Author              
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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Free keywords: Carbon nitride, Photocatalysis, CO, Flavins, Heterojunctions
 Abstract: 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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Language(s): eng - English
 Dates: 2020-12-102021
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.apcatb.2020.119773
BibTex Citekey: MAZZANTI2021119773
 Degree: -

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Title: Applied Catalysis B: Environmental
  Abbreviation : Appl. Catal. B Environ.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 285 Sequence Number: 119773 Start / End Page: - Identifier: ISSN: 0926-3373