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Structural Requirements for Surface-Induced Aromatic Stabilization
Published online by Cambridge University Press: 28 March 2014
Abstract
Surface-induced aromatic stabilization (SIAS), a recently proposed mechanism leading to a formation of charge-transfer (CT) states at organic/metal (O/M) interfaces [G. Heimel, et al., Nat. Chem.5, 187 (2013)], was investigated for an aromatic hydrocarbon, diindenoperylene (DIP), by means of synchrotron radiation-based ultraviolet photoelectron spectroscopy (UPS). By employing DIP and noble metal substrates (Ag and Cu), we confirmed the formation of CT states, indicating that an inclusion of a specific functional group with a hetero-atom within adsorbate molecules as suggested before is not necessarily required for the formation of CT states mediated by the SIAS. With a comparison of the mother and analogue molecules, perylene and PTCDA, we discuss the structural requirement for the realization of the SIAS.
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- MRS Online Proceedings Library (OPL) , Volume 1647: Symposium GG – Surface/Interface Characterization and Renewable Energy , 2014 , mrsf13-1647-gg01-03
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- Copyright © Materials Research Society 2014
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