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Photocarrier Generation in Fullerene Films
Published online by Cambridge University Press: 22 February 2011
Abstract
We present results from a detailed study of photoconductivity in thin C60 films. It is shown that the generation of mobile charge carriers involves molecular electronic transitions coupled to molecular vibrations. The vibrational bands broaden with temperature and shift at the fcc-to-scphase transition. For excitations with energy below ∼1.8 eV photoconduction appears to involve a tail of defect states whose distribution is somewhat dependent on sample preparation.
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- Copyright © Materials Research Society 1994
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