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Gram‐Scale Synthesis of Soluble, Near‐Monodisperse Gold Nanorods and Other Anisotropic Nanoparticles
Author(s) -
Jaikhil R.
Publication year - 2005
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200500014
Subject(s) - nanorod , dispersity , materials science , nucleation , micelle , nanoparticle , nanotechnology , pulmonary surfactant , aqueous solution , nanoscopic scale , particle (ecology) , chemical engineering , anisotropy , colloid , nanostructure , noble metal , metal , chemistry , polymer chemistry , organic chemistry , metallurgy , oceanography , physics , quantum mechanics , geology , engineering
An aqueous surfactant‐based colloidal chemical method is reported for the synthesis of anisotropic noble‐metal nanoparticles on the milligram to multigram scale. Fine control of the nucleation‐growth kinetics and rodlike micelle‐induced breaking of symmetry at the early stage of particle growth are responsible for high‐quality anisotropic nanoparticles. Near‐monodisperse gold and silver nanorods, spheroids, nanowires, platelets, or cubes of 4–50 nm dimension and controllable aspect ratio can be prepared. The method may also be extended to semiconductor systems.