2006
DOI: 10.1016/j.chemphys.2005.06.044
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Dispersion of electron–hole excitations in pentacene along (100)

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Cited by 21 publications
(32 citation statements)
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“…34 The films were characterized in-situ using electron diffraction and these diffraction measurements clearly demonstrated that the films are single crystalline. 35 Furthermore, the diffraction experi-ments also demonstrated that the films are oriented such that the reciprocal crystal lattice axes a * and b * ͑we use the crystallographic data according to Ref. 36͒ lie parallel to the film surface ͑i.e., also parallel to the single crystal surface͒ within an error of about 10°.…”
Section: Experimental and Data Analysismentioning
confidence: 95%
“…34 The films were characterized in-situ using electron diffraction and these diffraction measurements clearly demonstrated that the films are single crystalline. 35 Furthermore, the diffraction experi-ments also demonstrated that the films are oriented such that the reciprocal crystal lattice axes a * and b * ͑we use the crystallographic data according to Ref. 36͒ lie parallel to the film surface ͑i.e., also parallel to the single crystal surface͒ within an error of about 10°.…”
Section: Experimental and Data Analysismentioning
confidence: 95%
“…Previous experimental investigations of the archetype material pentacene have provided insight into the exciton dispersion along some crystal directions, but a complete picture could not be measured due to limitations in the energy resolution 26,33 . In this contribution, we present a comprehensive analysis of the energetically lowest lying electronic excitations of pentacene single crystals using electron energy-loss spectroscopy (EELS) in transmission with unprecedented energy resolution and at low temperature (20 K).…”
Section: Introductionmentioning
confidence: 99%
“…In order to directly probe the exciton band structure, higher momentum needs to be transferred. Such an approach has been demonstrated using electron energy loss spectroscopy [25].…”
Section: Frenkel Excitonmentioning
confidence: 99%
“…The Frenkel Hamiltonian (15.14) is often not sufficient to explain the exciton band structure observed in absorption and energy loss spectra [14,23,25]. To improve the model, charge transfer excitons need to be taken into account.…”
Section: Charge Transfer Excitonmentioning
confidence: 99%
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