Oxygen incorporation in rubrene single crystals

Daniel D T Mastrogiovanni, Jeff Mayer, Alan S. Wan, Aleksey Vishnyakov, Alexander V. Neimark, Vitaly Podzorov, Leonard C Feldman, Eric Garfunkel

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Single crystal rubrene is a model organic electronic material showing high carrier mobility and long exciton lifetime. These properties are detrimentally affected when rubrene is exposed to intense light under ambient conditions for prolonged periods of time, possibly due to oxygen up-take. Using photoelectron, scanning probe and ion-based methods, combined with an isotopic oxygen exposure, we present direct evidence of the light-induced reaction of molecular oxygen with single crystal rubrene. Without a significant exposure to light, there is no reaction of oxygen with rubrene for periods of greater than a year; the crystal's surface (and bulk) morphology and chemical composition remain essentially oxygen-free. Grand canonical Monte Carlo computations show no sorbtion of gases into the bulk of rubrene crystal. A mechanism for photo-induced oxygen inclusion is proposed.

Original languageEnglish
Article number4753
JournalScientific Reports
Volume4
DOIs
Publication statusPublished - May 2 2014

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Single crystals
Oxygen
Crystals
Molecular oxygen
Carrier mobility
Photoelectrons
Gases
rubrene
Ions
Scanning
Chemical analysis

ASJC Scopus subject areas

  • General

Cite this

Mastrogiovanni, D. D. T., Mayer, J., Wan, A. S., Vishnyakov, A., Neimark, A. V., Podzorov, V., ... Garfunkel, E. (2014). Oxygen incorporation in rubrene single crystals. Scientific Reports, 4, [4753]. https://doi.org/10.1038/srep04753

Oxygen incorporation in rubrene single crystals. / Mastrogiovanni, Daniel D T; Mayer, Jeff; Wan, Alan S.; Vishnyakov, Aleksey; Neimark, Alexander V.; Podzorov, Vitaly; Feldman, Leonard C; Garfunkel, Eric.

In: Scientific Reports, Vol. 4, 4753, 02.05.2014.

Research output: Contribution to journalArticle

Mastrogiovanni, DDT, Mayer, J, Wan, AS, Vishnyakov, A, Neimark, AV, Podzorov, V, Feldman, LC & Garfunkel, E 2014, 'Oxygen incorporation in rubrene single crystals', Scientific Reports, vol. 4, 4753. https://doi.org/10.1038/srep04753
Mastrogiovanni DDT, Mayer J, Wan AS, Vishnyakov A, Neimark AV, Podzorov V et al. Oxygen incorporation in rubrene single crystals. Scientific Reports. 2014 May 2;4. 4753. https://doi.org/10.1038/srep04753
Mastrogiovanni, Daniel D T ; Mayer, Jeff ; Wan, Alan S. ; Vishnyakov, Aleksey ; Neimark, Alexander V. ; Podzorov, Vitaly ; Feldman, Leonard C ; Garfunkel, Eric. / Oxygen incorporation in rubrene single crystals. In: Scientific Reports. 2014 ; Vol. 4.
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