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Superlattice Array of Alkanethiolate and Alkanecarboxylate Protected Gold and Silver Nanoparticles

¡@Complex nano-architectures of different materials have very interesting geometry. Combining different metallic nanoparticles should allow the manufacture of novel nanocomposite materials with a plethora of exploitable electronic, optical, and magnetic properties.
¡@Thiolate-capped Au nanoparticles prepared by Brust-Schiffrin two phase method and carboxylate-capped Ag nanoparticles prepared by our one-step synthetic method are reported.
¡@We also developed and prepared Ag colloidal solution which can be used to form a high valuable conductive thin film by spin coating on Si wafer. Specific resistivity of 6.097 £g£[¡Ecm for the silver metallic film (0.7 £gm) on the Si wafer can be simply produced by thermal annealing of Ag MPCs film under an atmosphere of 10 % H2-90 % N2 at 300 ¢J for 1 h. Furthermore, it can be applied to make a micro-circuit by ink-jet printing technique.
¡@The characterizations of TEM, PXRD, UV-Visible, NMR, FT-IR, ESCA, TGA, TA-MS, EI-MS and SEM of Au and Ag nanoparticles are described.
¡@We hope the thiolate-capped Au nanoparticles and carboxylate-capped Ag nanoparticles could spontaneously self-connect to form the nanoscale alloy superlattice structure by the molecular recognizable bifuctional linkage.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0623108-214731
Date23 June 2008
CreatorsChen, Wei-ting
ContributorsChin-Hsing Chou, Teng-Yuan Dong, Nein-Chen Chang, Lan-Chang Liang
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0623108-214731
Rightswithheld, Copyright information available at source archive

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