Active control of dielectrophoretic force at nanowire electrode for ultrahigh single nanoparticle manipulation yield

Title
Active control of dielectrophoretic force at nanowire electrode for ultrahigh single nanoparticle manipulation yield
Authors
김진식이상엽서준교박정호신현준
Keywords
nanoparticle manipulation; nanowire; dielectrophoretic force; quantum dot
Issue Date
2013-02
Publisher
Applied physics letters
Citation
VOL 102, NO 6, 063105-1-063105-4
Abstract
We introduce ultrahigh-yield single nanoparticle control based on active control of the dielectrophoretic (DEP) force (ACDF). Attachment and detachment are accomplished reversibly using a combination of negative and positive DEP forces. A silicon-oxide (SiO2)-surrounded gold nanowire electrode was designed for ACDF. Nanoparticle motions were analyzed to confirm inducement of the negative DEP force, which is the most important for realizing ACDF. Polystyrene nanobeads and quantum dots were used. Ultrahigh-yield single nanoparticle manipulation was achieved at every designed position using ACDF.
URI
http://pubs.kist.re.kr/handle/201004/44780
ISSN
00036951
Appears in Collections:
KIST Publication > Article
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