Semiconducting metal oxide photonic crystal plasmonic photocatalysts

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dc.check.date2021-02-24
dc.check.infoAccess to this article is restricted until 12 months after publication by request of the publisher.en
dc.contributor.authorCollins, Gillian
dc.contributor.authorLonergan, Alex
dc.contributor.authorMcNulty, David
dc.contributor.authorGlynn, Colm
dc.contributor.authorBuckley, Darragh
dc.contributor.authorChangyu, Hu
dc.contributor.authorO'Dwyer, Colm
dc.contributor.funderIrish Research Councilen
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2020-05-11T15:52:32Z
dc.date.available2020-05-11T15:52:32Z
dc.date.issued2020-02-24
dc.date.updated2020-05-11T11:44:37Z
dc.description.abstractPlasmonic photocatalysis has facilitated rapid progress in enhancing photocatalytic efficiency under visible light irradiation. Poor visible‐light‐responsive photocatalytic materials and low photocatalytic efficiency remain major challenges. Plasmonic metal–semiconductor heterostructures where both the metal and semiconductor are photosensitive are promising for light harvesting catalysis, as both components can absorb solar light. Efficiency of photon capture can be further improved by structuring the catalyst as a photonic crystal. Here, the synthesis of photonic crystal plasmonic photocatalyst materials using Au nanoparticle‐functionalized inverse opal (IO) photonic crystals is reported. A catalyst prepared using a visible‐light‐responsive semiconductor (V2O5) displayed over an order of magnitude increase in reaction rate under green light excitation (λ = 532 nm) compared to no illumination. The superior performance of Au‐V2O5 IO is attributed to spectral overlap of the electronic bandgap, localized surface plasmon resonance, and incident light source. For the Au‐TiO2 catalyst, despite coupling of the LSPR and excitation source at λ = 532 nm, this is not as effective in enhancing photocatalytic activity compared to carrying out the reaction under broadband visible light, which is attributed to improved photon adsorption in the visible by the presence of a photonic bandgap, and exploiting slow light in the photonic crystal to enhance photon absorption to create this synergistic type of photocatalyst.en
dc.description.sponsorshipIrish Research Council (Grant Numbers: GOIPG/2016/946, GOIPG/2014/206, IRCLA/2019/118) Science Foundation Ireland. Grant Numbers: 14/IA/2581, 15/TIDA/2893en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid1901805en
dc.identifier.citationCollins, G., Lonergan, A., McNulty, D., Glynn, C., Buckley, D., Hu, C. and O'Dwyer, C. (2020) 'Semiconducting Metal Oxide Photonic Crystal Plasmonic Photocatalysts'. Advanced Materials Interfaces, 7(8), 1901805 (11 pp). doi: 10.1002/admi.201901805en
dc.identifier.doi10.1002/admi.201901805en
dc.identifier.endpage11en
dc.identifier.issued8en
dc.identifier.journaltitleAdvanced Materials Interfacesen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/9909
dc.identifier.volume7en
dc.language.isoenen
dc.publisherWileyen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Investigator Programme/14/IA/2581/IE/Diffractive optics and photonic probes for efficient mouldable 3D printed battery skin materials for portable electronic devices/en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Technology and Innovation Development Award (TIDA)/15/TIDA/2893/IE/Advanced Battery Materials for High Volumetric Energy Density Li-ion Batteries for Remote Off-Grid Power/en
dc.relation.urihttps://onlinelibrary.wiley.com/doi/abs/10.1002/admi.201901805
dc.rights© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is the peer reviewed version of the following article: Collins, G. et al 'Semiconducting Metal Oxide Photonic Crystal Plasmonic Photocatalysts', Adv. Mater. Interfaces 2020, 7, 1901805, which has been published in final form at https://doi.org/10.1002/admi.201901805. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.en
dc.subjectCatalysten
dc.subjectNitrophenol reductionen
dc.subjectPhotocatalysisen
dc.subjectPhotonic crystalen
dc.subjectPlasmonic nanoparticlesen
dc.titleSemiconducting metal oxide photonic crystal plasmonic photocatalystsen
dc.typeArticle (peer-reviewed)en
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