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Assembly of 1D Nanostructures into Sub‐micrometer Diameter Fibrils with Controlled and Variable Length by Dielectrophoresis
Author(s) -
Tang J.,
Gao B.,
Geng H.,
Velev O.D.,
Qin L.C.,
Zhou O.
Publication year - 2003
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.200305086
Subject(s) - dielectrophoresis , materials science , carbon nanotube , micrometer , fabrication , nanotechnology , electrode , nanostructure , fibril , optoelectronics , optics , microfluidics , biophysics , chemistry , physics , alternative medicine , pathology , biology , medicine
A dielectrophoresis method for manipulation, alignment, and assembly of 1D nanostructures is reported. Processed carbon nanotubes dispersed in water are assembled into micro‐electrodes and fibrils of variable and controllable length from ∼ 1 μm to over 1 cm (see Figure). The method allows of parallel fabrication, and the fibrils could find applications as probes for scanning probe microscopes, electrodes, and conducting wires.