Six-Degree-of-Freedom Steerable Visible-Light-Driven Microsubmarines Using Water as a Fuel: Application for Explosives Decontamination

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dc.contributor.authorYing, Yulongcs
dc.contributor.authorPlutnar, Jancs
dc.contributor.authorPumera, Martincs
dc.coverage.issue23cs
dc.coverage.volume17cs
dc.date.accessioned2021-11-30T15:56:23Z
dc.date.available2021-11-30T15:56:23Z
dc.date.issued2021-06-01cs
dc.description.abstractMicro/nanomotors are capable of a wide variety of tasks related, i.e., to biomedical or environmental applications. Light-driven semiconductor-based micromotors are especially appealing, as they can split surrounding water via light irradiation, and therefore, they can move infinitely. However, their motion is typically limited to in-plane motion with four degrees of freedom (4DoF) or even pseudo-1D motion with 2DoF. Herein, magnetically steerable tubular TiO2/Fe3O4/CdS micromotors, termed microsubmarines, with 6DoF motion, based on a fuel-free design where surrounding water acts as fuel upon visible light irradiation, are presented, with an average velocity of 7.9 mu m s(-1). Besides, the generation of radicals via such water splitting aids the photocatalytic chemicals degradation with the potential to use solar radiation. A light-induced self-electrophoretic mechanism is responsible for the self-propulsion and can be used to predict the motion direction based on the structure and composition. Finally, the TiO2/Fe3O4/CdS microsubmarines are tested in a proof-of-concept application of high-energy explosive, e.g., picric acid, photocatalytic degradation, with the best performance owing to the versatility of 6DoF motion, the surface coating with amorphous TiO2 layer, and UV light. The results can help optimize light-active micromotor design for potential national security and environmental application, hydrogen evolution, and target cargo delivery.en
dc.formattextcs
dc.format.extent1-10cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationSmall. 2021, vol. 17, issue 23, p. 1-10.en
dc.identifier.doi10.1002/smll.202100294cs
dc.identifier.issn1613-6810cs
dc.identifier.other172326cs
dc.identifier.urihttp://hdl.handle.net/11012/203020
dc.language.isoencs
dc.publisherWILEY-VCHcs
dc.relation.ispartofSmallcs
dc.relation.urihttps://onlinelibrary.wiley.com/doi/10.1002/smll.202100294cs
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1613-6810/cs
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/cs
dc.subjectexplosive decontaminationen
dc.subjectmicromotoren
dc.subjectsix degrees of freedomen
dc.subjectvisible&#8208en
dc.subjectlight&#8208en
dc.subjectdrivenen
dc.subjectwater fuelen
dc.titleSix-Degree-of-Freedom Steerable Visible-Light-Driven Microsubmarines Using Water as a Fuel: Application for Explosives Decontaminationen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-172326en
sync.item.dbtypeVAVen
sync.item.insts2021.11.30 16:56:23en
sync.item.modts2021.11.30 16:15:13en
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Energie budoucnosti a inovacecs
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