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Proceedings Paper

Relation between intercalated oxygen molecules and localized electronic states in C60 films with/without laser light irradiation
Author(s): Hitoe Habuchi; Shoji Nitta; Hiroki Maehara; Shuichi Nonomura
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Paper Abstract

Localized electronic stats in C60 films related to intercalated oxygen molecules (O2) are studied by means of photoluminescence, electron spin resonance, constant photocurrent method and photothermal deflection spectroscopy. O2 intercalated into C60 films creates localized electronic states in subband gap below the energy of 1.6 eV. These states act as the non-radiative recombination center and the trap level for conduction carriers. Localized electronic stats photo-induced at room temperature are also found in C60 films exposed to air. These states can be related to photo-oxidation of C60 but gradually decrease at room temperature without the exposure to light. On the other hand, localized electronic states in oxygen free C60 films decrease with the laser light irradiation. In this paper, localized electronic states in C60 films with/without the laser light irradiation will be discussed with relating to intercalated O2.

Paper Details

Date Published: 1 November 1997
PDF: 12 pages
Proc. SPIE 3142, Fullerenes and Photonics IV, (1 November 1997); doi: 10.1117/12.279248
Show Author Affiliations
Hitoe Habuchi, Gifu National College of Technology (Japan)
Shoji Nitta, Gifu Univ. (Japan)
Hiroki Maehara, Gifu National College of Technology (Japan)
Shuichi Nonomura, Gifu Univ. (Japan)

Published in SPIE Proceedings Vol. 3142:
Fullerenes and Photonics IV
Zakya H. Kafafi, Editor(s)

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