Construction of Supramolecular Nanomaterials via Spontaneous Structural Transformation

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We developed construction of novel supramolecular assemblies from π-conjugated small molecules and polymers upon spontaneous organization of molecules and their subsequent structural transformation. Self-assembled nanotubes formed from organic small molecules with their diameters and lengths of 5 to 30 nanometer and several hundreds of nanometer to several micrometers, while spherical assemblies were yielded from π-conjugated polymers with their diameters ranging from several hundreds of nanometer to several micrometers. The integration of these nanostructured materials exhibited field-effect transistor outputs, photoelectric conversion properties, or remarkably long photocarrier lifetimes.