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 | Vardeny, Zeev Valentine | Infrared ultrafast optical probes of photoexcitations in ∏-conjugated organic semiconductors | We measured the ultrafast dynamics of photoexcitations in a variety of semiconductor ∏-conjugated polymer films and solutions, in the spectral range from 0.13 eV to 1.05 eV and time domain from 100 fs to 800 ps. The measurements were made in the low signal regime, where the relative changes in tra... | Infrared ultrafast optical probes; Photoexcitations; Ultrafast dynamics; MEH-PPV | 2005 |