期刊
CHEMICAL COMMUNICATIONS
卷 46, 期 20, 页码 3425-3436出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c001723j
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资金
- Ministry of Education, Culture, Sciences, Sport and Technology (Japan) [21655054, 21111522]
- PRESTO, JST (Japan)
- MaxPlanck Society
- National Institute for Materials Science
Dimensionally controlled and hierarchically assembled supramolecular architectures in nano/micro/bulk length scales are formed by self-organization of alkyl-conjugated fullerenes. The simple molecular design of covalently attaching hydrophobic long alkyl chains to fullerene (C-60) is different from the conventional (hydrophobic-hydrophilic) amphiphilic molecular designs. The two different units of the alkyl-conjugated C-60 are incompatible but both are soluble in organic solvents. The van der Waals intermolecular forces among long hydrocarbon chains and the pi-pi interaction between C-60 moieties govern the self-organization of the alkyl-conjugated C-60 derivatives. A delicate balance between the pi-pi and van der Waals forces in the assemblies leads to a wide variety of supramolecular architectures and paves the way for developing supramolecular soft materials possessing various morphologies and functions. For instance, superhydrophobic films, electron-transporting thermotropic liquid crystals and room-temperature liquids have been demonstrated. Furthermore, the unique morphologies of the assemblies can be utilised as a template for the fabrication of nanostructured metallic surfaces in a highly reproducible and sustainable way. The resulting metallic surfaces can serve as excellent active substrates for surface-enhanced Raman scattering (SERS) owing to their plasmon enhancing characteristics. The use of self-assembling supramolecular objects as a structural template to fabricate innovative well-defined metal nanomaterials links soft matter chemistry to hard matter sciences.
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