Journal
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
Volume 32, Issue 5, Pages 1635-1639Publisher
KOREAN CHEMICAL SOC
DOI: 10.5012/bkcs.2011.32.5.1635
Keywords
Multi-walled carbon nanotubes; Positive charged sidewalls; Dissolution; Lewis acidic ionic liquids
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Funding
- National Research Foundation of Korea [2009-0093829, R31-2008-000-100069-0]
- IBST of Dankook University
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An efficient and novel positive charge-doping on the sidewalls of multi-walled carbon nanotubes has been achieved in the presence of tetrahydrofuran as a dopant and Lewis acidic ionic liquids, [bmim]Sb(n)F(5n+1) (n >= 2; bmim = 1-butyl-3-methylimidazolium), as an activator, leaving air-stable derivatives having positively charged sidewalls and the counter anions, [MWCNT(y+)][SbF(6)(-)](y) (MWCNT = multi-walled carbon nanotube). The derivatization took place very fast in one-pot and under mild reaction conditions. The ionic structure enabled a tunable dissolution of the derivatives in various solvents through anion exchange.
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