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Optical Properties of Cyclic Amine Type Dyes, and Their Electronic Band Structures with Molecular Microstructure

Title
Optical Properties of Cyclic Amine Type Dyes, and Their Electronic Band Structures with Molecular Microstructure
Authors
Kim, Ki-SooHan, Yoon SooKim, ChamJeong, SeonjuKwak, GiseopKim, HyeryunKwon, YounghwanPark, Seong-HwanWoo, Sung-HoKim, Dae-HwanHa, Ki RyongChoi, Byeong-Dae
DGIST Authors
Han, Yoon Soo; Kim, ChamWoo, Sung-HoKim, Dae-HwanChoi, Byeong-Dae
Issue Date
2009
Citation
Molecular Crystals and Liquid Crystals, 499, 360-369
Type
Article
Article Type
Article
Keyword
Phenoxazine; Polymers; Amines; Atomic Spectroscopy; Band Structure; Carbazole; Carbazole; Carbazole; Conjugated Copolymers; Cyclic Amine Compound; Cyclic Amine Compound; DERIVATIVES; Electronic Band Structure; Electronic Band Structure; FLUORENE; Host Materials; Insecticides; Ionization Potential; LIGHT-emITTING-DIODES; Microstructure; OLEDS; Optical Properties; Organic Compounds; Oxygen; Phenothiazine; Phenothiazine; Phenothiazine; Phenoxazine; SULFUR; VINYLENE
ISSN
1542-1406
Abstract
Three different cyclic amine dyes, 9-(2-chlorophenyl)-9H-carbazole (CPCz; C18H12ClN), 10-(2-chlorophenyl)-10H-phenoxazine (CPPo; C18H12ClNO), and 10-(2-chlorophenyl)-10H-phenothiazine (CPPt; C18H12ClNS), were synthesized to systematically investigate their optical properties and electronic band structures with molecular microstructure. By the insertion of oxygen or sulfur atom into carbazole moiety, the absorption and photoluminescence (PL) spectra showed bathochromic shift, and the Stoke's shift was increased. Ionization potential of CPCz was measured as 5.75eV, on the other hand, CPPo and CPPt showed their ionization potentials of 5.37 and 5.39eV, respectively. The minute difference in chemical structure such as insertion of oxygen or sulfur atom caused huge change of optical property and electronic band structure.
URI
http://hdl.handle.net/20.500.11750/3560
DOI
10.1080/15421400802618620
Publisher
Taylor & Francis
Related Researcher
Files:
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Collection:
ETC1. Journal Articles
Magnet-Controlled Materials Research Group1. Journal Articles
Convergence Research Center for Solar Energy1. Journal Articles
Intelligent Devices and Systems Research Group1. Journal Articles


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