Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/61037
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dc.titleOrgano- and water-dispersible graphene oxide-polymer nanosheets for organic electronic memory and gold nanocomposites
dc.contributor.authorLi, G.L.
dc.contributor.authorLiu, G.
dc.contributor.authorLi, M.
dc.contributor.authorWan, D.
dc.contributor.authorNeoh, K.G.
dc.contributor.authorKang, E.T.
dc.date.accessioned2014-06-17T06:30:17Z
dc.date.available2014-06-17T06:30:17Z
dc.date.issued2010-07-29
dc.identifier.citationLi, G.L., Liu, G., Li, M., Wan, D., Neoh, K.G., Kang, E.T. (2010-07-29). Organo- and water-dispersible graphene oxide-polymer nanosheets for organic electronic memory and gold nanocomposites. Journal of Physical Chemistry C 114 (29) : 12742-12748. ScholarBank@NUS Repository.
dc.identifier.issn19327447
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/61037
dc.description.abstractA solution-processable graphene oxide (GO)-polymer complex, consisting of GO nanosheets with covalently grafted poly(tert-butyl acrylate) (PtBA) brushes, was prepared via surface-initiated atom transfer radical polymerization (ATRP). The grafted hydrophobic polymer brushes substantially enhance the solubility of GO in organic solvents, and the GO-g-PtBA nanosheets can form a uniform and stable dispersion in toluene. The functionalized GO nanosheets can also be integrated into an electroactive polymer matrix. Bistable electrical conductivity switching behavior and a nonvolatile electronic memory effect were demonstrated in a composite thin film of poly(3-hexylthiophene) (P3HT) containing 5 wt % GO-g-PtBA in an Al/GO-g-PtBA+P3HT/ITO sandwich structure (ITO = indium-tin oxide). Hydrolysis of GO-g-PtBA produces water-dispersible GO-g-PAAc (PAAc = poly(acrylic acid)) nanosheets and allows the preparation of gold nanoparticle-decorated GO-g-PAAc nanofilms from aqueous dispersions. © 2010 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/jp102640s
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMICAL & BIOMOLECULAR ENGINEERING
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.sourcetitleJournal of Physical Chemistry C
dc.description.volume114
dc.description.issue29
dc.description.page12742-12748
dc.identifier.isiut000280070900050
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