Photoelectrochemical water splitting by hybrid organic-inorganic systems: setting the path from 2% to 20% solar-to-hydrogen conversion efficiency.
Catalysis
Chemical engineering
Chemistry
Electrochemistry
Journal
iScience
ISSN: 2589-0042
Titre abrégé: iScience
Pays: United States
ID NLM: 101724038
Informations de publication
Date de publication:
21 May 2021
21 May 2021
Historique:
received:
17
11
2020
revised:
11
03
2021
accepted:
20
04
2021
entrez:
24
5
2021
pubmed:
25
5
2021
medline:
25
5
2021
Statut:
epublish
Résumé
Promoting solar fuels as a viable alternative to hydrocarbons calls for technologies that couple efficiency, durability, and low cost. In this work we elucidate how hybrid organic-inorganic systems employing hybrid photocathodes (HPC) and perovskite solar cells (PSC) could eventually match these needs, enabling sustainable and clean hydrogen production. First, we demonstrate a system comprising an HPC, a PSC, and a Ru-based oxygen evolution catalyst reaching a solar-to-hydrogen (STH) efficiency above 2%. Moving from this experimental result, we elaborate a perspective for this technology by adapting the existing models to the specific case of an HPC-PSC tandem. We found two very promising scenarios: one with a 10% STH efficiency, achievable using the currently available semiconducting polymers and the widely used methylammonium lead iodide (MAPI) PSC, and the other one with a 20% STH efficiency, requiring dedicated development for water-splitting applications of recently reported high-performing organic semiconductors and narrow band-gap perovskites.
Identifiants
pubmed: 34027321
doi: 10.1016/j.isci.2021.102463
pii: S2589-0042(21)00431-4
pmc: PMC8121964
doi:
Types de publication
Journal Article
Langues
eng
Pagination
102463Informations de copyright
© 2021.
Déclaration de conflit d'intérêts
The authors declare no competing interests.
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