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    Unravelling Thiol’s Role in Directing Asymmetric Growth of Au Nanorod–Au Nanoparticle Dimers

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    Type
    Article
    Authors
    Huang, Jianfeng cc
    Zhu, Yihan
    Liu, Changxu cc
    Shi, Zhan
    Fratalocchi, Andrea cc
    Han, Yu cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Applied Mathematics and Computational Science Program
    Chemical Science Program
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Nanostructured Functional Materials (NFM) laboratory
    PRIMALIGHT Research Group
    Physical Science and Engineering (PSE) Division
    Date
    2015-12-17
    Online Publication Date
    2015-12-17
    Print Publication Date
    2016-01-13
    Permanent link to this record
    http://hdl.handle.net/10754/621670
    
    Metadata
    Show full item record
    Abstract
    Asymmetric nanocrystals have practical significance in nanotechnologies but present fundamental synthetic challenges. Thiol ligands have proven effective in breaking the symmetric growth of metallic nanocrystals but their exact roles in the synthesis remain elusive. Here, we synthesized an unprecedented Au nanorod-Au nanoparticle (AuNR-AuNP) dimer structure with the assistance of a thiol ligand. On the basis of our experimental observations, we unraveled for the first time that the thiol could cause an inhomogeneous distribution of surface strains on the seed crystals as well as a modulated reduction rate of metal precursors, which jointly induced the asymmetric growth of monometallic dimers. © 2015 American Chemical Society.
    Citation
    Huang J, Zhu Y, Liu C, Shi Z, Fratalocchi A, et al. (2016) Unravelling Thiol’s Role in Directing Asymmetric Growth of Au Nanorod–Au Nanoparticle Dimers. Nano Lett 16: 617–623. Available: http://dx.doi.org/10.1021/acs.nanolett.5b04329.
    Sponsors
    This research was supported by baseline research funds and competitive research funds (FCC/1/1972-03-01) to Y. H. from King Abdullah University of Science and Technology.
    Publisher
    American Chemical Society (ACS)
    Journal
    Nano Letters
    DOI
    10.1021/acs.nanolett.5b04329
    PubMed ID
    26670659
    Additional Links
    http://pubs.acs.org/doi/abs/10.1021/acs.nanolett.5b04329
    ae974a485f413a2113503eed53cd6c53
    10.1021/acs.nanolett.5b04329
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Applied Mathematics and Computational Science Program; Physical Science and Engineering (PSE) Division; PRIMALIGHT Research Group; Electrical and Computer Engineering Program; Chemical Science Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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