Supramolecular self-assembly of conjugated diblock copolymers.
This paper describes the synthesis and characterization of a novel series of copolymers with different lengths of oligo(phenylene vinylene) (OPV) as the rod block, and poly(propylene oxide) as the coil block. Detailed characterization by means of transmission electron microscopy (TEM), atomic force microscopy (AFM), and small-angle neutron scattering (SANS) revealed the strong tendency of these copolymers to self-assemble into cylindrical micelles in solution and as-casted films on a nanometer scale. These micelles have a cylindrical OPV core surrounded by a poly(propylene glycol) (PPG) corona and readily align with each other to form parallel packed structures when mica is used as the substrate. A packing model has been proposed for these cylindrical micelles.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- NSF; SC; OUS
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 961498
- Report Number(s):
- ANL/MSD/JA-48418
- Journal Information:
- Chem. Eur. J., Journal Name: Chem. Eur. J. Journal Issue: 4 ; Feb. 20, 2004 Vol. 10
- Country of Publication:
- United States
- Language:
- ENGLISH
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