Acoustophosphorescence double resonance in impurity C70fullerene crystal
β Scribed by Yu. I. Prilutskii
- Book ID
- 110118086
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 1997
- Tongue
- English
- Weight
- 79 KB
- Volume
- 39
- Category
- Article
- ISSN
- 1063-7834
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Endohedral fullerenes N@C(60) and N@C(70) were dissolved in the liquid crystal 4-methoxybenzylidene-4'-n-butylaniline (MBBA) and investigated by electron paramagnetic resonance. In both cases well resolved EPR spectra give proof for molecular orientation in the nematic mesophase. Spectral features a
simple and inexpensive method for the purification of gram quantities of >99.5% pure C,, and >98% pure C,, by a fractional crystallization process in carbon disulfide or o-xylene is described.This process is based on the finding that C, was enriched in the solid deposit, whereas CT0 was enriched in