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Article: Density-tunable non-close-packed monolayer of silica nanospheres prepared by single-step freeze-drying

TitleDensity-tunable non-close-packed monolayer of silica nanospheres prepared by single-step freeze-drying
Authors
Issue Date2014
PublisherAmerican Vacuum Society. The Journal's web site is located at http://avspublications.org/jvstb/
Citation
Journal of Vacuum Science and Technology: Part B Nanotechnology & Microelectronics, 2014, v. 32 n. 5, article no.051805, p. 051805:1-5 How to Cite?
AbstractThe formation of density-tunable non–close-packed (ncp) monolayers of silica nanospheres via freeze drying is demonstrated. Monolayers of silica spheres with diameters of 120, 490, and 990 nm are achieved through a single-step freeze dry process. The densities of the spheres can be tuned by adjusting either the volume fraction of the spheres or the settling time before freezing. Issues involving defect-formation and defect-reduction are investigated. The experimental data suggest that this freeze drying method represents an efficient and robust way for achieving ncp monolayers of nanoparticles.
Persistent Identifierhttp://hdl.handle.net/10722/202851
ISSN

 

DC FieldValueLanguage
dc.contributor.authorFeng, C-
dc.contributor.authorChoi, HW-
dc.date.accessioned2014-09-19T10:08:25Z-
dc.date.available2014-09-19T10:08:25Z-
dc.date.issued2014-
dc.identifier.citationJournal of Vacuum Science and Technology: Part B Nanotechnology & Microelectronics, 2014, v. 32 n. 5, article no.051805, p. 051805:1-5-
dc.identifier.issn2166-2746-
dc.identifier.urihttp://hdl.handle.net/10722/202851-
dc.description.abstractThe formation of density-tunable non–close-packed (ncp) monolayers of silica nanospheres via freeze drying is demonstrated. Monolayers of silica spheres with diameters of 120, 490, and 990 nm are achieved through a single-step freeze dry process. The densities of the spheres can be tuned by adjusting either the volume fraction of the spheres or the settling time before freezing. Issues involving defect-formation and defect-reduction are investigated. The experimental data suggest that this freeze drying method represents an efficient and robust way for achieving ncp monolayers of nanoparticles.-
dc.languageeng-
dc.publisherAmerican Vacuum Society. The Journal's web site is located at http://avspublications.org/jvstb/-
dc.relation.ispartofJournal of Vacuum Science and Technology: Part B Nanotechnology & Microelectronics-
dc.rightsCopyright 2014 American Vacuum Society. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Vacuum Society. along with the following message: The following article appeared in Journal of Vacuum Science and Technology: Part B Nanotechnology & Microelectronics, 2014, v. 32 n. 5, article no.051805 and may be found at http://scitation.aip.org/content/avs/journal/jvstb/32/5/10.1116/1.4895037-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleDensity-tunable non-close-packed monolayer of silica nanospheres prepared by single-step freeze-drying-
dc.typeArticle-
dc.identifier.emailChoi, HW: hwchoi@eee.hku.hk-
dc.identifier.authorityChoi, HW=rp00108-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1116/1.4895037-
dc.identifier.hkuros236774-
dc.identifier.volume32-
dc.identifier.issue5-
dc.identifier.spage051805:1-
dc.identifier.epage051805:5-
dc.publisher.placeUnited States-

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