Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/101034
Title: Observation of Frenkel and charge transfer excitons in pentacene single crystals using spectroscopic generalized ellipsometry
Authors: Qi, Dongchen
Su, Haibin
Bastjan, M.
Jurchescu, O. D.
Palstra, T. M.
Wee, Andrew T. S.
Rübhausen, M.
Rusydi, A.
Keywords: DRNTU::Engineering::Materials
Issue Date: 2013
Source: Qi, D., Su, H., Bastjan, M., Jurchescu, O. D., Palstra, T. M., Wee, A. T. S., et al. (2013). Observation of Frenkel and charge transfer excitons in pentacene single crystals using spectroscopic generalized ellipsometry. Applied physics letters, 103(11), 113303-.
Series/Report no.: Applied physics letters
Abstract: We report on the emerging and admixture of Frenkel and charge transfer (CT) excitons near the absorption onset in pentacene single crystals. Using high energy-resolution spectroscopic generalized ellipsometry with in-plane polarization dependence, the excitonic nature of three lowest lying excitations is discussed. Their distinct polarization dependence strongly indicates the presence of both Frenkel and CT types of excitons near the excitation onset. In particular, the peculiar polarization behavior of the second excitation can only be rationalized by taking into account the inherent CT transition dipole moment. This observation has important implications for the pentacene-based optoelectronic devices.
URI: https://hdl.handle.net/10356/101034
http://hdl.handle.net/10220/18302
ISSN: 0003-6951
DOI: 10.1063/1.4811758
Rights: © 2013 AIP Publishing LLC . This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. The paper can be found at the following official DOI: http://dx.doi.org/10.1063/1.4811758.  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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