Interpretation of trap-limited mobility in space-charge limited current in organic layers with exponential density of traps.
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http://dx.doi.org/10.1063/1.3622615 |
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Títol
Interpretation of trap-limited mobility in space-charge limited current in organic layers with exponential density of traps.Data de publicació
2011-08Editor
© American Institute of PhysicsISSN
0021-8979Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
http://jap.aip.org/resource/1/japiau/v110/i4/p043705_s1Versió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
Charge carrier transport in disordered organic semiconductors, performed in electronic devices such as optoelectronic and photovoltaic ones, is usually affected by an exponential distribution of localized states in ... [+]
Charge carrier transport in disordered organic semiconductors, performed in electronic devices such as optoelectronic and photovoltaic ones, is usually affected by an exponential distribution of localized states in the band-gap (traps) under space-charge limited current. In this paper, we provide a full analysis for the trap-controlled transport of the single-carrier device in the frequency domain. Trap-limited mobility is interpreted in terms of the classical multiple-trapping picture with one transport state and the trapping-detrapping dynamics of the exponential density of traps. This allows us to provide a suitable explanation of the usual experimental features of the mobility dependence on voltage as along with the capacitance spectra. [-]
Publicat a
Journal of Applied Physics (August 2011) vol. 110, no. 4Drets d'accés
http://rightsstatements.org/vocab/CNE/1.0/
info:eu-repo/semantics/restrictedAccess
info:eu-repo/semantics/restrictedAccess
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