Self-Assembly and Charge-Transport Properties of a Polythiophene-Fullerene Triblock Copolymer
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- Self-Assembly and Charge-Transport Properties of a Polythiophene-Fullerene Triblock Copolymer
- Dante, Mark; Yang, Changduk; Walker, Bright; Wudl, Fred; Nguyen, Thuc-Quyen
- Charge transport; Conducting atomic force microscopy; Pendant groups; Poly-3-hexylthiophene; Poly-thiophene; Rigid block; Rod-coil; Triblock copolymers
- Issue Date
- WILEY-V C H VERLAG GMBH
- ADVANCED MATERIALS, v.22, no.16, pp.1835 - +
- A rod coil triblock copolymer consisting of a poly(3-hexylthiophene) (P3HT) rigid block, a styrene coil block, and a coil block with fullerene pendant group has been synthesized (see figure). Nanofibers in films reach 250 nm in length and 10.7 nm in width. Photo- and dark-current imaging by conducting atomic force microscopy reveals that the fibers are highly conductive. The electron and hole mobilities are comparable with a P3HT:fullerene-derivative blend.
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