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![]() | Vardeny, Zeev Valentine | Photogenerated gap states in polyacetylene | We have measured the optical absorption spectrum of photogenerated gap states in polyacetylene, (CH)X . From a comparison with electroabsorption spectra the charge state of the excitations is determined. In both isomers of (CH)X locally neutral (exciton-like) states are observed. In addition a charg... | Gap state; Photoexcitation | 1983-06 |