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The Growth of Complex Nanostructures: Synergism of Dipolar Force and Stacking‐Defects in Anisotropic Self‐Assembly
Author(s) -
Gao Xueyun,
Xing Gengmei,
Chu Weiguo,
Liang Xingjie,
Zhao Yuliang,
Jing Long,
Yuan Hui,
Cui Yanyan,
Dong Jinquan
Publication year - 2008
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200702900
Subject(s) - materials science , branching (polymer chemistry) , stacking , colloidal gold , nanostructure , nanotechnology , self assembly , plasmon , nanocrystalline material , anisotropy , dipole , nanoparticle , chemical physics , optoelectronics , optics , composite material , nuclear magnetic resonance , chemistry , physics , organic chemistry
Nanocrystalline gold dendrimers with multiple generations of branching are produced by the fusion of gold nanoparticles along {111} planes induced by dipolar forces generated upon plasmon excitation. Branching in these structures originates from the imperfect fusion of gold nanoparticles onto growing gold structures due to the introduction of stacking faults, as schematically illustrated in the figure.