期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 21, 期 3, 页码 819-823出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm02492a
关键词
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资金
- NSFC [20773015, 30672491, 21073018]
- Beijing Municipal Commission of Education
- Fundamental Research Funds for the Central University
- Hong Kong RGC GRF [604608]
Aqueous solutions of fluorescent ultrafine C-60 nanoparticles have been successfully prepared by an electrochemical method, which involves reducing a C-60 film to C-60(3-) anions in the presence of tetrabutylammonium (TBA(+)) cations in acetonitrile solution and transferring to water. The nanoparticles are highly emissive in the visible region. The structure of the fluorescent C-60 nanoparticles was deduced as a similar to 5 nm sphere with a solid core of aggregated C-60 and an anionic shell of C-60(3-), which renders the nanoparticles water soluble. The photostable and nontoxic C-60 nanoparticles can easily penetrate into live cells, and are thus primed for a host of biomedical applications.
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