Helical Nanofibers from Aqueous Self-Assembly of an Oligo(p-phenylene)-Based Molecular Dumbbell
- 15 June 2005
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 127 (27) , 9668-9669
- https://doi.org/10.1021/ja051961m
Abstract
We have synthesized an amphiphilic dumbbell-shaped molecule consisting of dodeca-p-phenylene and aliphatic polyether dendrons as flexible end groups. The molecular dumbbell in aqueous solution self-assembles into well-defined left-handed helical cylinders with a diameter (8 nm) of a molecular length scale and a pitch length of 5.6 nm, as confirmed by TEM. These elementary helical fibrils are further assembled to give left-handed superhelical fibers with lengths up to several micrometers. Such a well-defined helical arrangement of conjugated rod building blocks may provide a new strategy for the design of one-dimensional nanostructured materials with biomimetic, electronic, and photonic functions.Keywords
This publication has 11 references indexed in Scilit:
- Synthesis, Self-Assembly, and Characterization of Supramolecular Polymers from Electroactive Dendron Rodcoil MoleculesJournal of the American Chemical Society, 2004
- Supramolecular Assemblies of Nucleoside Phosphocholine AmphiphilesJournal of the American Chemical Society, 2004
- Transfer of π-Conjugated Columnar Stacks from Solution to SurfacesJournal of the American Chemical Society, 2003
- pH as a Trigger of Peptide β-Sheet Self-Assembly and Reversible Switching between Nematic and Isotropic PhasesJournal of the American Chemical Society, 2003
- Three-Dimensional Electronic Delocalization in Chiral Conjugated PolymersAngewandte Chemie International Edition in English, 2002
- Helical Self‐Organization and Hierarchical Self‐Assembly of an Oligoheterocyclic Pyridine–Pyridazine Strand into Extended Supramolecular FibersChemistry – A European Journal, 2002
- Confined Surface Plasmons in Gold Photonic NanocavitiesAdvanced Materials, 2001
- Coordination Metallacycles of an Achiral Dendron Self-Assemble via Metal−Metal Interaction To Form Luminescent Superhelical FibersJournal of the American Chemical Society, 2001
- Highly Regular Organization of Conjugated Polymer Chains via Block Copolymer Self-AssemblyAdvanced Materials, 2000
- Protofilaments, Filaments, Ribbons, and Fibrils from Peptidomimetic Self-Assembly: Implications for Amyloid Fibril Formation and Materials ScienceJournal of the American Chemical Society, 2000