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Influence of Fermi-Level Engineering in Multi-Interface CuO/Cu2O||rGO||h-WO3||rGO|| Photoelectrodes on Photoelectrochemical CO2 Reduction

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cris.lastimport.scopus2024-02-12T19:30:27Z
dc.abstract.enHeterojunction engineering enables more versatile and higher performance systems than single components. In parallel with heterojunction engineering, defect engineering has emerged as a means of tailoring the optoelectronic properties of photoelectrodes. However, constructing effective and stable hybrid semiconductor heterojunctions is a challenging task under the strict requirements of band alignment, vacancy characteristics, and interface properties. Herein, the photoelectrochemical (PEC) reduction of CO2 to methanol is augmented by a novel approach explored by modeling the Fermi level in a multi-interface architecture. The excellent PEC CO2 reduction activity is attributed to the formation of a high-performance, energetically aligned multi-interface system of CuO/Cu2O||rGO|h-WO3|rGO (rGO = reduced graphene oxide layer). The overall performance of this hybrid, system strongly depends on the number of oxygen groups in rGO and the structural properties of rGO. Therefore, to construct an effective PEC system, numerous postsynthetic treatments are explored for their practicality and usefulness. The results reported herein clearly show that the best performance toward the CO2 photoreduction currents of 3 mA/cm2 at 0.00.1 V versus reversable hydrogen electrode (more than double that of the CuO/Cu2O system) has been reached for the semiconductor architecture containing two layers of rGO.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorWróbel, Piotr
dc.contributor.authorSolarska, Renata
dc.contributor.authorStrawski, Marcin
dc.contributor.authorStobiński, Leszek
dc.contributor.authorMałolepszy, Artur
dc.contributor.authorBieńkowski, Krzysztof
dc.date.accessioned2024-01-25T04:13:43Z
dc.date.available2024-01-25T04:13:43Z
dc.date.issued2022
dc.description.financePublikacja bezkosztowa
dc.identifier.doi10.1002/ENTE.202100999
dc.identifier.issn2194-4288
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/109247
dc.identifier.weblinkhttps://onlinelibrary.wiley.com/doi/pdf/10.1002/ente.202100999
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofEnergy Technology
dc.relation.pages2100999
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.enCO2 photoreduction
dc.subject.enFermi level
dc.subject.enheterojunctions
dc.subject.enphotoelectrodes
dc.subject.enreduced graphene oxide
dc.subject.ensolar energy conversion
dc.titleInfluence of Fermi-Level Engineering in Multi-Interface CuO/Cu2O||rGO||h-WO3||rGO|| Photoelectrodes on Photoelectrochemical CO2 Reduction
dc.typeJournalArticle
dspace.entity.typePublication