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dc.contributor.authorTu, Shao Bo
dc.contributor.authorXu, Lujia
dc.contributor.authorEl Demellawi, Jehad K.
dc.contributor.authorLiang, Hanfeng
dc.contributor.authorXu, Xiangming
dc.contributor.authorLopatin, Sergei
dc.contributor.authorDe Wolf, Stefaan
dc.contributor.authorZhang, Xixiang
dc.contributor.authorAlshareef, Husam N.
dc.date.accessioned2020-09-08T12:54:39Z
dc.date.available2020-09-08T12:54:39Z
dc.date.issued2020-08-15
dc.date.submitted2020-06-28
dc.identifier.citationTu, S., Xu, L., El-Demellawi, J. K., Liang, H., Xu, X., Lopatin, S., … Alshareef, H. N. (2020). Autonomous MXene-PVDF actuator for flexible solar trackers. Nano Energy, 77, 105277. doi:10.1016/j.nanoen.2020.105277
dc.identifier.issn2211-2855
dc.identifier.doi10.1016/j.nanoen.2020.105277
dc.identifier.urihttp://hdl.handle.net/10754/665023
dc.description.abstractWe report a novel flexible solar tracking system based on a photothermal-thermomechanical (PT-TM) actuator comprised of Ti3C2Tx MXene and polyvinylidene fluoride (PVDF) bilayer. The actuation function of the proposed device originates from photothermal and surface plasmon-assisted effects in MXenes, coupled with thermomechanical deformation of in-plane aligned PVDF polymer. Two types of solar tracking modes are evaluated based on the experimental deformation behavior of the PT-TM actuator. We find that the uniaxial East-West solar tracking option increases the overall energy intensity reaching the solar module by over 30%, in comparison with the optimized tilting-controlled mode. We also demonstrate the thermally driven self-oscillation of the MXene-PVDF device, which may have promising potential for optically and thermally driven soft robotics. The PT-TM actuator devices display robust mechanical strength and durability, with no noticeable degradation in their performance after more than 1000 cycles.
dc.description.sponsorshipWe acknowledge funding support by King Abdullah University of Science and Technology (KAUST) and Office of Sponsored Research (OSR) under Award No. OSR-2016-CRG5-2977. S.T. X.Z. and H.A. conceived the idea. S.T. designed the experiments. S.T. J.K.D. H.F.L. X.M.X, and S.L. performed materials fabrication and characterizations. L.X. and S.D.W. conducted simulation. S.T. L.X. and J.K.D. wrote the paper. The authors would like to appreciate the helpful discussion of Dr. Keith Mclntosh from PVlighthouse. All authors contributed to paper revision.
dc.publisherElsevier BV
dc.relation.urlhttps://linkinghub.elsevier.com/retrieve/pii/S2211285520308545
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Nano Energy. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Nano Energy, [77, , (2020-08-15)] DOI: 10.1016/j.nanoen.2020.105277 . © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleAutonomous MXene-PVDF actuator for flexible solar trackers
dc.typeArticle
dc.contributor.departmentElectron Microscopy
dc.contributor.departmentFunctional Nanomaterials and Devices Research Group
dc.contributor.departmentKAUST Solar Center (KSC)
dc.contributor.departmentMaterial Science and Engineering
dc.contributor.departmentMaterial Science and Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.identifier.journalNano Energy
dc.rights.embargodate2022-08-29
dc.eprint.versionPost-print
dc.contributor.institutionInstitute of Advanced Materials, Jiangxi Normal University, Nanchang, 330022, China
dc.identifier.volume77
dc.identifier.pages105277
kaust.personTu, Shao Bo
kaust.personXu, Lujia
kaust.personEl Demellawi, Jehad K.
kaust.personLiang, Hanfeng
kaust.personXu, Xiangming
kaust.personLopatin, Sergei
kaust.personDe Wolf, Stefaan
kaust.personZhang, Xixiang
kaust.personAlshareef, Husam N.
kaust.grant.numberOSR-2016-CRG5-2977
dc.date.accepted2020-08-10
dc.identifier.eid2-s2.0-85089913712
refterms.dateFOA2020-09-09T06:33:08Z
kaust.acknowledged.supportUnitOffice of Sponsored Research (OSR)
dc.date.published-online2020-08-15
dc.date.published-print2020-11


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