Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 18, Pages 7632-7635Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja302122w
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Funding
- JST-CREST
- KAKENHI [22655050]
- Nanotechnology Network JAPAN Ministry of Education, Culture, Sports, Science and Technotogy (MEXT), Japan
- Grants-in-Aid for Scientific Research [22655050] Funding Source: KAKEN
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Gold nanoparticles (NPs) with diameters of 5, 10, and 20 nm coated with semifluorinated oligo(ethylene glycol) ligands were formed into sub-100 nm hollow NP assemblies (NP vesicles) in THF without the use of a template. The NP vesicles maintained their structure even after the solvent was changed from THF to other solvents such as butanol or CH2Cl2. NMR analyses indicated that the fluorinated ligands are bundled on the NPs and that the solvophobic feature of the fluorinated bundles is the driving force for NP assembly. The formed NP vesicles were surface-enhanced Raman scattering-active capsules.
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