Monodispersed, highly interactive facet (111)-oriented Pd nanograins by ALD onto free-standing and flexible electrospun polymeric nanofibrous webs for catalytic application

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buir.contributor.authorUyar, Tamer
buir.contributor.authorBıyıklı, Necmi
buir.contributor.orcidUyar, Tamer|0000-0002-3989-4481
dc.citation.epage1700640-9en_US
dc.citation.issueNumber24en_US
dc.citation.spage1700640-1en_US
dc.citation.volumeNumber4en_US
dc.contributor.authorRanjith, K. S.en_US
dc.contributor.authorCelebioglu A.en_US
dc.contributor.authorEren, H.en_US
dc.contributor.authorBıyıklı, Necmien_US
dc.contributor.authorUyar, Tameren_US
dc.date.accessioned2018-04-12T10:39:16Z
dc.date.available2018-04-12T10:39:16Z
dc.date.issued2017-10en_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractAn atomic layer deposition (ALD) of monodispersed palladium (Pd) nanograins (≈2 nm) onto electrospun polymeric nanofibers (NF) is presented. By ALD, monodispersed Pd nanograins with (111) exposed facets are decorated on the surface of the free-standing flexible nanofibrous webs (NW). The Pd nanograin-decorated free-standing NW exhibit catalytic reduction of 4-nitrophenol to 4-aminophenol. Even under low loading capacity (≈20 µg mg−1), Pd nanograins manifest effective catalytic performance which can be referred to direct exposure of Pd single crystalline highly interactive (111) plains with high surface area on the NW. The Pd nanograins and the interactive sites along with the high surface area NW yield effective catalytic reduction of 4-nitrophenol to 4-aminophenol with the catalytic reduction rate of 0.0531 min−1. Pd nanograins display thermally tunable effective catalytic reduction properties with activation energy (Ea) of 1.705 J mol−1 on varying the reaction temperature from 12 to 42 °C. Moreover, Pd nanograin-decorated NW are exhibited the effective reusable behavior with stable structural integrity even after repeated catalytic reactions. The approach of this study opens up synthesis and surface decoration of metal nanostructures onto NF through ALD with controlled size and facet orientation for designing reusable and free-standing flexible catalytic nanofibrous materials.en_US
dc.description.provenanceMade available in DSpace on 2018-04-12T10:39:16Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 179475 bytes, checksum: ea0bedeb05ac9ccfb983c327e155f0c2 (MD5) Previous issue date: 2017en
dc.embargo.release2018-12-22en_US
dc.identifier.doi10.1002/admi.201700640en_US
dc.identifier.issn2196-7350
dc.identifier.urihttp://hdl.handle.net/11693/36421
dc.language.isoEnglishen_US
dc.publisherWiley-VCH Verlagen_US
dc.relation.isversionofhttps://doi.org/10.1002/admi.201700640en_US
dc.source.titleAdvanced Materials Interfacesen_US
dc.subjectAtomic layer depositionen_US
dc.subjectElectrospinningen_US
dc.subjectMetal catalysten_US
dc.subjectPd nanograinsen_US
dc.subjectPolymeric nanofibersen_US
dc.titleMonodispersed, highly interactive facet (111)-oriented Pd nanograins by ALD onto free-standing and flexible electrospun polymeric nanofibrous webs for catalytic applicationen_US
dc.typeArticleen_US

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