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    Electronic Structure of Au25 Clusters: Between Discrete and Continuous

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    Type
    Article
    Authors
    Katsiev, Khabiboulakh
    Lozova, Nataliya
    Wang, Lu
    Katla, Saikrishna
    Li, Ruipeng
    Mei, Wai Ning
    Skrabalak, Sara
    Challa, Challa
    Losovyj, Yaroslav
    KAUST Department
    KAUST Solar Center (KSC)
    Physical Science and Engineering (PSE) Division
    Date
    2016
    Permanent link to this record
    http://hdl.handle.net/10754/617238
    
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    Abstract
    Here, an approach based on synchrotron resonant photoemission is emplyed to explore the transition between quantization and hybridization of the electronic structure in atomically precise ligand-stabilized nanoparticles. While the presence of ligands maintains quantization in Au25 clusters, their removal renders increased hybridization of the electronic states at the vicinity of the Fermi level. These observations are supported by DFT studies.
    Citation
    Electronic Structure of Au25 Clusters: Between Discrete and Continuous 2016 Nanoscale
    Sponsors
    Research at the Center for Atomic-Level Catalyst Design (Energy Frontier Research Center) was funded by the U.S. Department of Energy, Office of Basic Energy Sciences under Award #DESC0001058. L. W and W.-N. M. acknowledge the support of Department of Energy (award #DE-EE0003174), Nebraska Center for Materials and Nanoscience, and the UNL Holland Computing Center with the associated USCMS Tier-2 site at the UNL. K.K acknowledge support of KAUST. Access to XPS is provided by NSF Award DMR MRI-1126394. The authors acknowledge helpful discussions with P. Dowben and O. Bakr.
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Nanoscale
    DOI
    10.1039/C6NR02374F
    Additional Links
    http://pubs.rsc.org/en/Content/ArticleLanding/2016/NR/C6NR02374F
    ae974a485f413a2113503eed53cd6c53
    10.1039/C6NR02374F
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; KAUST Solar Center (KSC)

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