Abstract
Electron irradiation of the organic semiconductors of NMePy(TCNQ) 2 type produces defects which change their vibrational and electronic spectra. The spectral changes are described and discussed. The electron-phonon coupling constant changes are deduced; the defect concentration as well as their volume are calculated from spectral measurements. The role of electron-electron interactions are emphasized and we suggest, that the N-methyl pyridinium derivatives with TCNQ are Mott insulators Etude experimentale et discussion des modifications des spectres d'absorption IR et electroniques en presence des defauts induits par irradiation electronique. Deduction des variations des constantes de couplage electron-phonon, de la concentration et du volume des defauts. Role des interactions electron-electron
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