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Controlling the Growth of Charged‐Nanoparticle Chains through Interparticle Electrostatic Repulsion
Author(s) -
Zhang Hao,
Wang Dayang
Publication year - 2008
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.200705537
Subject(s) - isotropy , electrostatics , anisotropy , nanoparticle , range (aeronautics) , particle (ecology) , dipole , chemical physics , nanotechnology , condensed matter physics , materials science , physics , optics , quantum mechanics , oceanography , geology , composite material
An electrostatic tuner : Long‐range isotropic electrostatic repulsion between identically charged nanoparticles can become anisotropic in the presence of short‐range anisotropic dipolar interactions, thus endorsing anisotropic self‐assembly of the nanoparticles into chains. The length of these particle chains can be tuned by controlling the interparticle electrostatic repulsion (see image).