Nanostructured copper oxides and phosphates from a new solid-state route

Simple item page
dc.contributor.authorDíaz, Carlos
dc.contributor.authorValenzuela, María Luisa
dc.contributor.authorLavayen, Vladimir
dc.contributor.authorMendoza, K.
dc.contributor.authorPeña, D. O.
dc.contributor.authorO'Dwyer, Colm
dc.date.accessioned2016-06-29T14:00:19Z
dc.date.available2016-06-29T14:00:19Z
dc.date.issued2011-07-23
dc.date.updated2012-11-29T17:29:01Z
dc.description.abstractNanostructured copper containing materials of CuO, Cu3(PO4)3 and Cu2P2O7 have been prepared by solid-state pyrolysis of molecular CuCl2·NC5H4OH (I), CuCl2·CNCH2C6H4OH (II), oligomeric [Cu(PPh3)Cl]4 (III), N3P3[OC6H4CH2CN·CuCl]6[PF6] (IV), N3P3[OC6H5]5[OC5H4N·Cu][PF6] (V), polymeric chitosan·(CuCl2)n (VI) and polystyrene-co-4-vinylpyridine PS-b-4-PVP·(CuCl2) (VII) precursors. The products strongly depend on the precursor used. The pyrolytic products from phosphorus-containing precursors (III), (IV) and (V) are Cu phosphates or pyrophosphates, while non-phosphorous-containing precursors (VI) and (VII), result in mainly CuO. The use of chitosan as a solid-state template/stabilizer induces the formation of CuO and Cu2O nanoparticles. Copper pyrophosphate (Cu2P2O7) deposited on Si using (IV) as the precursor exhibits single-crystal dots of average diameter 100 nm and heights equivalent to twice the unit cell b-axis (1.5–1.7 nm) and an areal density of 5.1–7.7 Gigadots/in.2. Cu2P2O7 deposited from precursor (VI) exhibits unique labyrinthine high surface area deposits. The morphology of CuO deposited on Si from pyrolysis of (VI) depends on the polymer/Cu meta ratio. Magnetic measurements performed using SQUID on CuO nanoparticle networks suggest superparamagnetic behavior. The results give insights into compositional, shape and morphological control of the as-formed nanostructures through the structure of the precursors.en
dc.description.sponsorshipFondo Nacional de Desarrollo Científico y Tecnológico, Chile (FONDECYT (Project 1085011)); Irish Government ( INSPIRE programme, Programme for Research in Third Level Institutions, Cycle 4, National Development Plan 2007–2013.)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationDiaz, C.,Valenzuela, M. L., Lavayen, V., Mendoza, K.,Pena, D. O.,O'Dwyer, C. (2011) 'Nanostructured copper oxides and phosphates from a new solid-state route', Inorganica Chimica Acta, 377, pp. 5-13. http://www.sciencedirect.com/science/article/pii/S0020169311005743en
dc.identifier.doi10.1016/j.ica.2011.07.003
dc.identifier.endpage13en
dc.identifier.issn0020-1693
dc.identifier.journaltitleInorganica Chimica Actaen
dc.identifier.startpage5en
dc.identifier.urihttps://hdl.handle.net/10468/2811
dc.identifier.volume377en
dc.language.isoenen
dc.publisherElsevieren
dc.rights© 2011 Elsevier B.V. This manuscript version is made available under the CC-BY-NC-ND 4.0 licenseen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectNanoparticlesen
dc.subjectCopper oxidesen
dc.subjectPhosphazenesen
dc.subjectPyrolysis organometallicsen
dc.subjectSurface depositionen
dc.subjectPhosphatesen
dc.titleNanostructured copper oxides and phosphates from a new solid-state routeen
dc.typeArticle (peer-reviewed)en
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Paper_Cu_FINAL.pdf
Size:
1.78 MB
Format:
Adobe Portable Document Format
Description:
Accepted Version
Download
License bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
license.txt
Size:
2.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download
Collections
Chemistry - Journal Articles
Tyndall National Institute - Journal Articles