Closing the green gap of photosystem I with synthetic fluorophores for enhanced photocurrent generation in photobiocathodes.
Journal
Chemical science
ISSN: 2041-6520
Titre abrégé: Chem Sci
Pays: England
ID NLM: 101545951
Informations de publication
Date de publication:
15 Feb 2023
15 Feb 2023
Historique:
received:
23
09
2022
accepted:
04
01
2023
entrez:
23
2
2023
pubmed:
24
2
2023
medline:
24
2
2023
Statut:
epublish
Résumé
One restriction for biohybrid photovoltaics is the limited conversion of green light by most natural photoactive components. The present study aims to fill the green gap of photosystem I (PSI) with covalently linked fluorophores, ATTO 590 and ATTO 532. Photobiocathodes are prepared by combining a 20 μm thick 3D indium tin oxide (ITO) structure with these constructs to enhance the photocurrent density compared to setups based on native PSI. To this end, two electron transfer mechanisms, with and without a mediator, are studied to evaluate differences in the behavior of the constructs. Wavelength-dependent measurements confirm the influence of the additional fluorophores on the photocurrent. The performance is significantly increased for all modifications compared to native PSI when cytochrome
Identifiants
pubmed: 36819875
doi: 10.1039/d2sc05324a
pii: d2sc05324a
pmc: PMC9930989
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1696-1708Informations de copyright
This journal is © The Royal Society of Chemistry.
Déclaration de conflit d'intérêts
There are no conflicts to declare.
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