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Gemini‐Surfactant‐Directed Self‐Assembly of Monodisperse Gold Nanorods into Standing Superlattices
Author(s) -
GuerreroMartínez Andrés,
PérezJuste Jorge,
CarbóArgibay Enrique,
Tardajos Gloria,
LizMarzán Luis M.
Publication year - 2009
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200904118
Subject(s) - nanorod , superlattice , hexagonal crystal system , self assembly , pulmonary surfactant , anisotropy , nanotechnology , materials science , lattice (music) , characterization (materials science) , perpendicular , dispersity , crystallography , optics , chemical engineering , chemistry , physics , optoelectronics , polymer chemistry , mathematics , acoustics , geometry , engineering
A super lattice : The title system allows the spontaneous formation of self‐assembled 2D and 3D highly ordered aggregates of standing nanorods on large superlattice domains (see picture). The hexagonal close packing of nanorods perpendicular to the substrate resembles smectic‐B liquid‐crystalline phases. Optical characterization of the aggregates demonstrates their anisotropic optical response.