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Electron and hole transport in N-picrylarylamine-doped polycarbonate

Electron and hole drift mobility in N-picrylarylamine doped polycarbonate films has been studied by the conventional time-of-flight technique. The charge transport molecules contain both electron acceptor and donor functionalities. Electron mobility is similar in value for all the systems as the electron acceptor functionality is the same in all the molecules. Hole mobility depends on the donor functionality. The results can be fit well into a correlated disorder model when energetic features of the transport molecules are also taken into account. For quantum-chemistry calculations, the semiempirical PM3 and ZINDO/S methods were used.