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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/16743

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:	[Department of Physics] Periodical Articles

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