Capillary force-driven, large-area alignment of multi-segmented nanowires

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dc.contributor.authorZhou, Xiaozhu
dc.contributor.authorZhou, Yu
dc.contributor.authorKu, Jessie C.
dc.contributor.authorZhang, Chuan
dc.contributor.authorMirkin, Chad A.
dc.contributor.corporateNorthwestern University
dc.contributor.departmentChemistry
dc.date.accessioned2017-03-29T00:03:30Z
dc.date.available2017-03-29T00:03:30Z
dc.date.issued2014
dc.descriptionArticle of record as published may be found at http://dx.doi.org/10.1021/nn405627s
dc.description.abstractWe report the large-area alignment of multi-segmented nanowires in nanoscale trenches facilitated by capillary forces. Electrochemically synthesized nanowires between 120 and 250 nm in length are aligned and then etched selectively to remove one segment, resulting in arrays of nanowires with precisely controlled gaps varying between 2 and 30 nm. Crucial to this alignment process is the dispersibility of the nanowires in solution which is achieved by chemically modifying them with hexadecyltrimethylammonium bromide. We found that, even without the formation of an ordered crystalline phase at the droplet edges, the nanowires can be aligned in high yield. To illustrate the versatility of this approach as a nanofabrication technique, the aligned nanowires were used for the fabrication of arrays of gapped graphene nanoribbons and SERS substrates.en_US
dc.description.funderAward nos. FA9550-09-1-0294 and FA9550-12-1-0280 (AFOSR)
dc.description.funderAward no. FA2386-13-1-3124 (AOARD)
dc.description.funderAward nos. N00244-09-1-0012 and N00244-09-1-0071 (NPS)
dc.description.funderAward no. N00014-11-1-0729 (ONR)
dc.description.sponsorshipAFOSR
dc.description.sponsorshipOffice of Naval Research
dc.description.sponsorshipFunded by OASDRD/NSSEFF via Naval Postgraduate School.
dc.format.extent6 p.
dc.identifier.citationX. Zhou, Y. Zhou, J.C. Ku, C. Zhang, C.A. Mirkin, "Capillary force-driven, large-area alignment of multi-segmented nanowires," ACM Nano, v. 8, no.2 (2014) pp. 1511-1516.
dc.identifier.urihttps://hdl.handle.net/10945/52426
dc.publisherACS Publications
dc.relation.ispartofseriesFunded by Naval Postgraduate School
dc.rightsCopyright is reserved by the copyright owner.en_US
dc.subject.authorMulti-segmented nanowire
dc.subject.authorCapillary force
dc.subject.authorAlignment
dc.subject.authorOn-wire lithography
dc.subject.authorGraphene nanoribbon
dc.subject.authorSERS
dc.titleCapillary force-driven, large-area alignment of multi-segmented nanowiresen_US
dc.typeArticleen_US
dspace.entity.typePublication
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relation.isSeriesOfPublication.latestForDiscoveryaf4f559a-d2da-4fa4-89d1-78532cf33472
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