Abstract
Abstract The CW photoinduced absorption technique has been applied to α-sexithyenil (T 6) vacuum evaporated films. We observed new electronic transitions which appear deep in the gap. We assigned these structures to charged species separated on different molecular layers and trapped to defects. The narrow line shape of the photoinduced features is indicative of the molecular solid character of T 6 thin films and it provides an upper limit for the charge symmetry breaking of 0.04 eV.
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