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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/16743

Title: Theoretical Studies on the Optical Absorption in MEH-DSB Oligomer
Authors: Guo, Fang-Yeong
Contributors: 物理學系
Date: 2002-03
Issue Date: 2013-06-05T07:49:08Z
Publisher: Elsevier
Abstract: We report theoretical studies on the optical absorption in 2-methoxy-5-(2′-ethyl-hexyloxy)-distyryl benzene (MEH-DSB). We first produce the major absorption features existing in experimental results, in particular a weak band at 5.1 eV, which has not been observed in poly(p-phenylene vinylene) (PPV). We find that this band can appear only when the strength of intersite Coulomb interactions becomes smaller, in comparison with that in five-ring PPV oligomer with no substituents. Detailed analysis of wavefunctions related to the corresponding absorption bands will give correct assignments.
Relation: Chemical Physics Letters, 355(1-2): 89-93
Appears in Collections:[物理學系] 期刊論文

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