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Shin, Hyeon Suk
Lab for Carbon and 2D Materials
Research Interests
  • Two-dimensional materials: graphene, transition metal dichalcogenides, h-BN, and their heterostructures

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Spontaneous formation of transition-metal nanoparticles on single-walled carbon nanotubes anchored with conjugated molecules

Cited 50 times inthomson ciCited 49 times inthomson ci
Title
Spontaneous formation of transition-metal nanoparticles on single-walled carbon nanotubes anchored with conjugated molecules
Author
Lee, YSong, HJShin, Hyeon SukShin, HJChoi, HC
Keywords
Carbon nanotubes; Nanoparticles; Noncovalent interactions; Transistors; Transition metals
Issue Date
2005-09
Publisher
WILEY-V C H VERLAG GMBH
Citation
SMALL, v.1, no.10, pp.975 - 979
Abstract
A facile solution-phase route to spontaneously form transition-metal nanoparticles on the sidewalls of single-walled carbon nanotubes (SWNTs) at room temperature via noncovalent functionalization of 2,2':6',2''-terpyridine (Terpy) on SWNTs. The main driving force for the nanoparticle formation is the electron transfer from the Terpy-SWNTs to the transition-metal ions. Elevation of the Fermi level of the SWNTs occurs due to the electrons injected from Terpy into the SWNTs, which make spontaneous electron transfer feasible. A systematic conductance-change measurements using SWNT-FET devices, was also conducted in order to elucidate the electron-transfer phenomena at various stages. The successful development of a facile route for the formation of transition-metal-nanoparticle SWNT hybrid junction structures can provide opportunities for electrically controllable catalyst systems.
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DOI
10.1002/smll.200500132
ISSN
1613-6810
Appears in Collections:
PHY_Journal Papers
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