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dc.contributor.authorHong, Jungmi
dc.contributor.authorYick, Samuel
dc.contributor.authorChow, Edith
dc.contributor.authorMurdock, Adrian
dc.contributor.authorFang, Jinghua
dc.contributor.authorSeo, Dong Han
dc.contributor.authorWolff, Annalena
dc.contributor.authorHan, Zhaojun
dc.contributor.authorvan der Laan, Timothy
dc.contributor.authorBendavid, Avi
dc.contributor.authorOstrikov, Kostya Ken
dc.contributor.authorMurphy, Anthony B
dc.description.abstractPlasma printing and plasma-assisted printing of functional nanomaterials are being developed as important alternative fabrication techniques. Nano-gold is used in many applications including organic photovoltaics, flexible electronics, nanomedicine, catalysis and sensing, taking advantage of its unique optical, electrical and physical properties, which depend on particle shape, size and distribution. A direct one-step nano-gold printing process using an HAuCl4 solution precursor injected into an atmospheric-pressure plasma jet is demonstrated. Atomized droplets of the solution are reduced to gold nanoparticles in the plasma and deposited on the substrate. The gold film has minimal Cl content, and its structure can be controlled by the deposition time, from nanometer-size particles to a dense film that fully covers the substrate. Printing is demonstrated on substrates including silicon, alumina filter membrane, vertical graphene, and paper. The applicability of the nano-gold film as a SERS (surface-enhanced Raman scattering) platform is demonstrated by sensing of a 0.25 and 0.7 amol μm−2 of Rhodamine B on an Si and paper substrate respectively, a level undetectable in the absence of nano-gold.
dc.publisherRoyal Society of Chemistry
dc.relation.ispartofjournalJournal of Materials Chemistry C
dc.subject.fieldofresearchMacromolecular and Materials Chemistry
dc.subject.fieldofresearchPhysical Chemistry (incl. Structural)
dc.subject.fieldofresearchMaterials Engineering
dc.subject.keywordsScience & Technology
dc.subject.keywordsPhysical Sciences
dc.subject.keywordsMaterials Science, Multidisciplinary
dc.subject.keywordsPhysics, Applied
dc.titleDirect plasma printing of nano-gold from an inorganic precursor
dc.typeJournal article
dc.type.descriptionC1 - Articles
dcterms.bibliographicCitationHong, J; Yick, S; Chow, E; Murdock, A; Fang, J; Seo, DH; Wolff, A; Han, Z; van der Laan, T; Bendavid, A; Ostrikov, KK; Murphy, AB, Direct plasma printing of nano-gold from an inorganic precursor, Journal of Materials Chemistry C, 2019, 7 (21), pp. 6369-6374
gro.hasfulltextNo Full Text
gro.griffith.authorOstrikov, Kostya (Ken)

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