Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/83840
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dc.contributor.authorTang, Xiu-Zhien
dc.contributor.authorChen, Xuelongen
dc.contributor.authorWu, Gangen
dc.contributor.authorHu, Xiaoen
dc.contributor.authorYang, Jingleien
dc.date.accessioned2016-09-26T06:53:07Zen
dc.date.accessioned2019-12-06T15:33:04Z-
dc.date.available2016-09-26T06:53:07Zen
dc.date.available2019-12-06T15:33:04Z-
dc.date.issued2015en
dc.identifier.citationTang, X.-Z., Chen, X., Wu, G., Hu, X., & Yang, J. (2015). Improved chemical stability of silver by selective distribution of silver particles on reduced graphene oxide nanosheets. RSC Advances, 5(61), 49257-49262.en
dc.identifier.urihttps://hdl.handle.net/10356/83840-
dc.description.abstractThe chemical stability of particles on reduced graphene oxide (RGO) nanosheets is an important issue for the RGO/particles hybrid materials. Here we report that the chemical stability of environmentally sensitive silver can be significantly improved by controlling the distribution of silver particles on RGO nanosheets. By switching the sequence of “deoxygenation” and “deposition”, two kinds of RGO/silver hybrids are prepared. The structure and chemical state of silver particles on RGO are investigated by X-ray diffraction, X-ray photoelectron spectroscopy, thermogravimetric analysis, ultraviolet-visible spectroscopy, Raman spectra, transmission electron microscopy and scanning electron microscope. It is found that the graphene/Ag hybrid prepared by “deposition” and then “deoxygenation” can still exhibit obvious surface enhanced Raman scattering (SERS) signals after 10-month storage, compared with the hybrid material fabricated in inverse order. The selective distribution of silver particles and non-uniform dispersion of electrons on RGO nanosheets are responsible for the different performances. This study provides a new insight into preparing chemically stable RGO/particle hybrid materials.en
dc.description.sponsorshipASTAR (Agency for Sci., Tech. and Research, S’pore)en
dc.language.isoenen
dc.relation.ispartofseriesRSC Advancesen
dc.rights© 2015 The Royal Society of Chemistry.en
dc.subjectChemical stabilityen
dc.subjectSilver particlesen
dc.titleImproved chemical stability of silver by selective distribution of silver particles on reduced graphene oxide nanosheetsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.identifier.doi10.1039/C5RA04508Hen
item.grantfulltextnone-
item.fulltextNo Fulltext-
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