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|Title: ||Hysteresis-free electron currents in poly(p-phenylene vinylene) derivatives|
|Authors: ||Craciun, N. I.|
Nicolai, H. T.
Kist, R. J. P.
Wetzelaer, G. A. H.
Blom, P. W. M.
|Issue Date: ||2010|
|Publisher: ||AMER INST PHYSICS|
|Citation: ||JOURNAL OF APPLIED PHYSICS, 107(12)|
|Abstract: ||The interpretation of electron currents in conjugated polymers is strongly hindered by the occurrence of hysteresis. We investigate the transport of electrons in electron-only devices based on derivatives of poly(p-phenylene vinylene) (PPV) for various hole-blocking bottom electrodes as well as purification of the polymer. The use of a variety of hole blocking bottom contacts, as metallic electrodes and n-type doped polymers, did not give any improvement in the observed hysteresis. By purification of the PPV, hysteresis free electron-only currents can be obtained. The deep traps responsible for hysteresis, with a concentration in the 10(16) cm(-3) range, are not responsible for the trap-limited electron transport as observed in purified PPV. (C) 2010 American Institute of Physics. [doi:10.1063/1.3432744]|
|Notes: ||[Craciun, N. I.; Zhang, Y.; Nicolai, H. T.; Kuik, M.; Kist, R. J. P.; Wetzelaer, G. A. H.; Wildeman, J.; Blom, P. W. M.] Univ Groningen, Zernike Inst Adv Mat, NL-9747 AG Groningen, Netherlands. [Palmaerts, A.; Vandenbergh, J.; Vanderzande, D.] Hasselt Univ, Inst Mat Res IMO, B-3590 Diepenbeek, Belgium. [Blom, P. W. M.] TNO Holst Ctr, NL-5606 KN Eindhoven, Netherlands. [Lutsen, L.] IMEC IMOMEC, B-3590 Diepenbeek, Belgium.
|ISI #: ||000279993900146|
|Type: ||Journal Contribution|
|Validation: ||ecoom, 2011|
|Appears in Collections: ||Research publications|
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