Mixtures of regioregular poly(3-hexyl-thiophene) (rrP3HT) and multiwall carbon nanotubes have been investigated by scanning tunneling microscopy in ultrahigh vacuum. Carbon nanotubes covered by rrP3HT have been imaged and analyzed, providing a clear evidence that this polymer self-assembles on the nanotube surface following geometrical constraints and adapting its equilibrium chain-to-chain distance. Largely spaced covered nanotubes have been analyzed to investigate the role played by nanotube chirality in the polymer wrapping, evidencing strong rrP3HT interactions along well defined directions. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3173825]
Giulianini, M., Waclawik, E., Bell, J., DE CRESCENZI, M., Castrucci, P., Scarselli, M.a., et al. (2009). Regioregular poly(3-hexyl-thiophene) helical self-organization on carbon nanotubes. APPLIED PHYSICS LETTERS, 95(1) [10.1063/1.3173825].
Regioregular poly(3-hexyl-thiophene) helical self-organization on carbon nanotubes
DE CRESCENZI, MAURIZIO;CASTRUCCI, PAOLA;SCARSELLI, MANUELA ANGELA;
2009-01-01
Abstract
Mixtures of regioregular poly(3-hexyl-thiophene) (rrP3HT) and multiwall carbon nanotubes have been investigated by scanning tunneling microscopy in ultrahigh vacuum. Carbon nanotubes covered by rrP3HT have been imaged and analyzed, providing a clear evidence that this polymer self-assembles on the nanotube surface following geometrical constraints and adapting its equilibrium chain-to-chain distance. Largely spaced covered nanotubes have been analyzed to investigate the role played by nanotube chirality in the polymer wrapping, evidencing strong rrP3HT interactions along well defined directions. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3173825]| File | Dimensione | Formato | |
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