Near infrared absorption spectra of C{sub 60} radical cations and anions prepared simultaneously in solid argon
Journal Article
·
· Bulletin of the American Physical Society
OSTI ID:127755
- Univ. of Virginia, Charlottesville, VA (United States)
The codeposition of C{sub 60} vapor with excess argon and concurrent argon resonance radiation has produced strong new absorptions at 973 and 1068 nm in solid argon at 11 {plus_minus} 1 K. A similar experiment with CCl{sub 4}, added to serve as an electron trap, reduced the yield of the 1068 nm band with little effect on the 973 nm absorption. The 973 nm band is assigned to C{sub 60}{sup +} produced by photoionization and the 1068 nm band to C{sub 60}{sup {minus}} formed by electron capture. These identifications are in excellent agreement with glassy matrix, solution and photoelectron spectra. Preliminary magnetic circular dichroism (MCD) spectra of the 973 nm C{sub 60}{sup +} band have also been measured. Both the 1068 and 973 nm bands show a characteristic triplet structure which is tentatively attributed to the combined effects of spin-orbit and Jahn-Teller coupling.
- OSTI ID:
- 127755
- Report Number(s):
- CONF-920376--; CNN: Grant CHE-8902456; Grant CHE 8820764
- Journal Information:
- Bulletin of the American Physical Society, Journal Name: Bulletin of the American Physical Society Journal Issue: 9 Vol. 37; ISSN BAPSA6; ISSN 0003-0503
- Country of Publication:
- United States
- Language:
- English
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