Polarity-Driven Polytypic Branching in Cu-Based Quaternary Chalcogenide Nanostructures (Articolo in rivista)

Type
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  • Polarity-Driven Polytypic Branching in Cu-Based Quaternary Chalcogenide Nanostructures (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/nn405747h (literal)
Alternative label
  • Zamani, Reza R.; Ibanez, Maria; Luysberg, Martina; Garcia-Castello, Nuria; Houben, Lothar; Daniel Prades, Joan; Grillo, Vincenzo; Dunin-Borkowski, Rafal E.; Ramon Morante, Joan; Cabot, Andreu; Arbiol, Jordi (2014)
    Polarity-Driven Polytypic Branching in Cu-Based Quaternary Chalcogenide Nanostructures
    in ACS nano; AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Zamani, Reza R.; Ibanez, Maria; Luysberg, Martina; Garcia-Castello, Nuria; Houben, Lothar; Daniel Prades, Joan; Grillo, Vincenzo; Dunin-Borkowski, Rafal E.; Ramon Morante, Joan; Cabot, Andreu; Arbiol, Jordi (literal)
Pagina inizio
  • 2290 (literal)
Pagina fine
  • 2301 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://pubs.acs.org/doi/abs/10.1021/nn405747h (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 8 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 12 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consejo Superior de Investigaciones Cientificas (CSIC); Catalonia Inst Energy Res IREC; Julich Research Center; University of Barcelona; CNR Ist Nanosci; IMEM CNR; Inst Catalana Recerca & Estudis Avancats ICREA (literal)
Titolo
  • Polarity-Driven Polytypic Branching in Cu-Based Quaternary Chalcogenide Nanostructures (literal)
Abstract
  • An appropriate way of realizing property nanoengineering in complex quaternary chalcogenide nanocrystals is presented for Cu2CdxSnSey(CCTSe) polypods. The pivotal role of the polarity in determining morphology, growth, and the polytypic branching mechanism is demonstrated. Polarity is considered to be responsible for the formation of an initial seed that takes the form of a tetrahedron with four cation-polar facets. Size and shape confinement of the intermediate pentatetrahedral seed is also attributed to polarity, as their external facets are anion-polar. The final polypod extensions also branch out as a result of a cation-polarity-driven mechanism. Aberration-corrected scanning transmission electron microscopy is used to identify stannite cation ordering, while ab initio studies are used to show the influence of cation ordering/distortion, stoichiometry, and polytypic structural change on the electronic band structure. (literal)
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