Electronic transport properties of pentacene single crystals upon exposure to air

O. D. Jurchescu, J. Baas, T. T. M. Palstra

OnderzoeksoutputAcademicpeer review

146 Citaten (Scopus)
455 Downloads (Pure)

Samenvatting

We report the effect of air exposure on the electronic properties of pentacene single crystals. Air can diffuse reversibly in and out of the crystals and influences the physical properties. We discern two competing mechanisms that modulate the electronic transport. The presence of oxygen increases the hole conduction, as in dark four O-2 molecules introduce one charge carrier. This effect is enhanced by the presence of visible light. Contrarily, water, present in ambient air, is incorporated in the crystal lattice and forms trapping sites for injected charges. (c) 2005 American Institute of Physics.
Originele taal-2English
Artikelnummer052102
Aantal pagina's3
TijdschriftApplied Physics Letters
Volume87
Nummer van het tijdschrift5
DOI's
StatusPublished - 1-aug.-2005

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