Photo-induced phenomena in organic field-effect phototransistors based on conjugated polymer/fullerene blends and organic dielectric

N. Marjanović; Th. B. Singh; G. Dennler; S. Günes; R. Koeppe; H. Neugebauer; N. S. Sariciftci; S. Bauer

doi:10.1117/12.663042

20 April 2006 Photo-induced phenomena in organic field-effect phototransistors based on conjugated polymer/fullerene blends and organic dielectric

N. Marjanović, Th. B. Singh, G. Dennler, S. Günes, R. Koeppe, H. Neugebauer, N. S. Sariciftci, S. Bauer

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Proceedings Volume 6192, Organic Optoelectronics and Photonics II; 61921D (2006) https://doi.org/10.1117/12.663042
Event: SPIE Photonics Europe, 2006, Strasbourg, France

Abstract

Photo-induced phenomena were investigated in photoresposive organic field-effect transistors (photOFETs) based on conjugated polymer/fullerene solid-state mixtures as active semiconductor layer and divinyltetramethyldisiloxane-bis(benzocyclobutene) (BCB) as gate dielectrics. The devices were characterized both in under dark showing n-type transistor behaviour with linear and saturated mobility of 1.7 x 10^-3 cm²/Vs and 2.7 x 10^-2 cm²/Vs respectively, and under white light illumination condition, where large shifts in the threshold voltage in the transfer characteristics were obtained. A typical phototransistor behaviour in a wide range of illumination intensities are observed in these devices.

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N. Marjanović, Th. B. Singh, G. Dennler, S. Günes, R. Koeppe, H. Neugebauer, N. S. Sariciftci, and S. Bauer "Photo-induced phenomena in organic field-effect phototransistors based on conjugated polymer/fullerene blends and organic dielectric", Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 61921D (20 April 2006); https://doi.org/10.1117/12.663042

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