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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/4521

Title: The role of intermolecular polarization for the stability of lithium intercalation compounds of α- and β-perylene
Authors: Friedlein, R.
Crispin, X.
Suess, C.
Pickholz, M.
Salaneck, W. R.
Issue Date: 2004-08-01
Publisher: American Institute of Physics
Magazine name: Journal of Chemical Physics
Volume: 121
Number: 5
Start page: 2239
End page: 2245
DOI: 10.1063/1.1768153
Abstract: Lithium intercalation compounds of α- and β-perylene are investigated by photoelectron spectroscopy. Spectroscopic data together with a Born-Haber cycle provide information on the formation enthalpy of those materials. This approach allows understanding the amount of charge transferred from the alkali metal atoms to the π system, and illuminates the role of molecular versus solid-state properties in the formation of the intercalation compounds. In the bulk of α-perylene material, molecular dimerization survives upon intercalation which reduces the Madelung energy of the intercalation compound but increases the electron-accepting capability of the organic system and facilitates the ionization of lithium atoms in the molecular solid environment. The lower ionization potential results in a larger charge transfer (about two electrons per molecule) in α-perylene compared to the monomeric system, β-perylene.
Rights: Copyright 2004 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in R. Friedlein, X. Crispin, C. Suess, M. Pickholz, W. R. Salaneck, Journal of Chemical Physics, 121(5), 2239-2245 (2004) and may be found at http://link.aip.org/link/?JCPSA6/121/2239/1
URI: http://hdl.handle.net/10119/4521
Material Type: publisher
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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