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Floating perovskite-BiVO4 devices for scalable solar fuel production.

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cam.depositDate2022-06-17
cam.issuedOnline2022-08-17
cam.orpheus.counter8
cam.orpheus.successMon Aug 29 08:26:35 BST 2022 - Embargo updated
datacite.issupplementedby.doi10.17863/CAM.82770
dc.contributor.authorAndrei, Virgil
dc.contributor.authorUcoski, Geani M
dc.contributor.authorPornrungroj, Chanon
dc.contributor.authorUswachoke, Chawit
dc.contributor.authorWang, Qian
dc.contributor.authorAchilleos, Demetra S
dc.contributor.authorKasap, Hatice
dc.contributor.authorSokol, Katarzyna P
dc.contributor.authorJagt, Robert A
dc.contributor.authorLu, Haijiao
dc.contributor.authorLawson, Takashi
dc.contributor.authorWagner, Andreas
dc.contributor.authorPike, Sebastian D
dc.contributor.authorWright, Dominic S
dc.contributor.authorHoye, Robert LZ
dc.contributor.authorMacManus-Driscoll, Judith L
dc.contributor.authorJoyce, Hannah J
dc.contributor.authorFriend, Richard H
dc.contributor.authorReisner, Erwin
dc.contributor.orcidAndrei, Virgil [0000-0002-6914-4841]
dc.contributor.orcidPornrungroj, Chanon [0000-0001-9886-8489]
dc.contributor.orcidWang, Qian [0000-0002-8980-4915]
dc.contributor.orcidAchilleos, Demetra S [0000-0002-1146-7138]
dc.contributor.orcidSokol, Katarzyna P [0000-0001-8631-8885]
dc.contributor.orcidJagt, Robert A [0000-0002-0517-3758]
dc.contributor.orcidLawson, Takashi [0000-0002-2571-4216]
dc.contributor.orcidWagner, Andreas [0000-0003-4464-4345]
dc.contributor.orcidPike, Sebastian D [0000-0002-9791-5244]
dc.contributor.orcidWright, Dominic S [0000-0002-9952-3877]
dc.contributor.orcidMacManus-Driscoll, Judith L [0000-0003-4987-6620]
dc.contributor.orcidJoyce, Hannah J [0000-0002-9737-680X]
dc.contributor.orcidFriend, Richard H [0000-0001-6565-6308]
dc.contributor.orcidReisner, Erwin [0000-0002-7781-1616]
dc.date.accessioned2022-06-17T23:30:14Z
dc.date.available2022-06-17T23:30:14Z
dc.date.issued2022-08
dc.date.updated2022-06-17T08:28:35Z
dc.description.abstractPhotoelectrochemical (PEC) artificial leaves hold the potential to lower the costs of sustainable solar fuel production by integrating light harvesting and catalysis within one compact device. However, current deposition techniques limit their scalability1, whereas fragile and heavy bulk materials can affect their transport and deployment. Here we demonstrate the fabrication of lightweight artificial leaves by employing thin, flexible substrates and carbonaceous protection layers. Lead halide perovskite photocathodes deposited onto indium tin oxide-coated polyethylene terephthalate achieved an activity of 4,266 µmol H2 g-1 h-1 using a platinum catalyst, whereas photocathodes with a molecular Co catalyst for CO2 reduction attained a high CO:H2 selectivity of 7.2 under lower (0.1 sun) irradiation. The corresponding lightweight perovskite-BiVO4 PEC devices showed unassisted solar-to-fuel efficiencies of 0.58% (H2) and 0.053% (CO), respectively. Their potential for scalability is demonstrated by 100 cm2 stand-alone artificial leaves, which sustained a comparable performance and stability (of approximately 24 h) to their 1.7 cm2 counterparts. Bubbles formed under operation further enabled 30-100 mg cm-2 devices to float, while lightweight reactors facilitated gas collection during outdoor testing on a river. This leaf-like PEC device bridges the gulf in weight between traditional solar fuel approaches, showcasing activities per gram comparable to those of photocatalytic suspensions and plant leaves. The presented lightweight, floating systems may enable open-water applications, thus avoiding competition with land use.
dc.identifier.doi10.17863/CAM.85631
dc.identifier.eissn1476-4687
dc.identifier.issn0028-0836
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/338219
dc.language.isoeng
dc.publisherSpringer Science and Business Media LLC
dc.publisher.departmentDepartment of Chemistry
dc.publisher.urlhttp://dx.doi.org/10.1038/s41586-022-04978-6
dc.rightsAll Rights Reserved
dc.rights.urihttp://www.rioxx.net/licenses/all-rights-reserved
dc.subject3403 Macromolecular and Materials Chemistry
dc.subject34 Chemical Sciences
dc.subject3406 Physical Chemistry
dc.subject40 Engineering
dc.subject4016 Materials Engineering
dc.subject7 Affordable and Clean Energy
dc.subject11 Sustainable Cities and Communities
dc.titleFloating perovskite-BiVO4 devices for scalable solar fuel production.
dc.typeArticle
dcterms.dateAccepted2022-06-14
prism.publicationNameNature
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/L015978/1)
pubs.funder-project-idEuropean Research Council (682833)
pubs.funder-project-idEuropean Commission Horizon 2020 (H2020) Marie Sk?odowska-Curie actions (793996)
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/S022953/1)
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/N509620/1)
pubs.funder-project-idEuropean Research Council (716471)
pubs.funder-project-idEngineering and Physical Sciences Research Council (1948662)
pubs.funder-project-idEPSRC (1948662)
pubs.funder-project-idEuropean Commission Horizon 2020 (H2020) ERC (882929)
pubs.licence-display-nameApollo Repository Deposit Licence Agreement
pubs.licence-identifierapollo-deposit-licence-2-1
rioxxterms.typeJournal Article/Review
rioxxterms.versionAM
rioxxterms.versionofrecord10.1038/s41586-022-04978-6

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