Plasmonically Enhanced Hydrogen Evolution with an Al–TiO2-Based Photoelectrode

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dc.citation.firstpage13714en_US
dc.citation.issueNumber32en_US
dc.citation.journalTitleThe Journal of Physical Chemistry Cen_US
dc.citation.lastpage13719en_US
dc.citation.volumeNumber126en_US
dc.contributor.authorYuan, Linen_US
dc.contributor.authorKuriakose, Anvyen_US
dc.contributor.authorZhou, Jingyien_US
dc.contributor.authorRobatjazi, Hosseinen_US
dc.contributor.authorNordlander, Peteren_US
dc.contributor.authorHalas, Naomi J.en_US
dc.contributor.orgLaboratory for Nanophotonicsen_US
dc.date.accessioned2022-09-08T14:40:01Zen_US
dc.date.available2022-09-08T14:40:01Zen_US
dc.date.issued2022en_US
dc.description.abstractPhotoelectrochemical water splitting, as a method for producing clean hydrogen, could benefit from both plasmon-enhanced processes and the incorporation of earth-abundant materials in photoelectrode design. Here we report a n-TiO2/aluminum (Al) nanodisk/p-GaN photoelectrode sandwich device that exhibits enhanced H2 generation efficiencies due to a combination of plasmon-enhanced processes. Hot electrons generated in the illuminated Al nanodisk are injected into the conduction band of the TiO2 layer, subsequently transferring into water molecules adsorbed on the TiO2 surface, driving H2 evolution. The photocurrent densities we observe are nearly an order of magnitude higher than in an equivalent device with the Al nanodisk replaced with a Au nanodisk of the same size and are on par or better than previous reports of plasmonic photoelectrodes using Au nanoparticles in combination with cocatalyst species.en_US
dc.identifier.citationYuan, Lin, Kuriakose, Anvy, Zhou, Jingyi, et al.. "Plasmonically Enhanced Hydrogen Evolution with an Al–TiO2-Based Photoelectrode." <i>The Journal of Physical Chemistry C,</i> 126, no. 32 (2022) American Chemical Society: 13714-13719. https://doi.org/10.1021/acs.jpcc.2c03961.en_US
dc.identifier.digitalacs-jpcc-2c03961en_US
dc.identifier.doihttps://doi.org/10.1021/acs.jpcc.2c03961en_US
dc.identifier.urihttps://hdl.handle.net/1911/113192en_US
dc.language.isoengen_US
dc.publisherAmerican Chemical Societyen_US
dc.rightsLicensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licenseen_US
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en_US
dc.titlePlasmonically Enhanced Hydrogen Evolution with an Al–TiO2-Based Photoelectrodeen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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