Langmuir films of calix[8] arene/fullerene complexes
Journal Article
·
· Journal of Physical Chemistry
- Instituto de Fisica, Mexico City (Mexico)
- Instituto de Quimica, Mexico City (Mexico)
- Instituto de Fisica, San Luis Potosi (Mexico)
We present the pressure area isotherms for Langmuir films made of calix[8]arene, the calix[8]arene/C{sub 60} complex, and the calix[8]arene/C{sub 70} complex, all of them measured at 306.1 K. A Brewster angle microscope was used to observe the phases shown by {Pi}-A isotherms. In these three cases, we found a solid phase and its solid-gas coexistence but no expanded liquid phases. The Langmuir films of calix[8]arene and the calix[8]arene/C{sub 60} complex are very similar. The experimental information is consistent with the assumption that C{sub 60} is situated inside the cavity of calix[8]arene. The Langmuir films of calix[8]arene and the calix[8]arene/C{sub 70} complex are not very similar; we present a discussion to explain the origin of this difference. 23 refs., 5 figs.
- OSTI ID:
- 196646
- Journal Information:
- Journal of Physical Chemistry, Journal Name: Journal of Physical Chemistry Journal Issue: 2 Vol. 100; ISSN JPCHAX; ISSN 0022-3654
- Country of Publication:
- United States
- Language:
- English
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