New electroluminescent polymers with amine, ether and sulfide linkages = 아민, 에테르, 설피드 결합을 갖는 전기발광성 고분자

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New types of soluble poly(terephthalylidene) derivatives containing tertiary amine, ether and sulfide linkages were prepared by condensation reactions. The resulting polymers were soluble in common organic solvents and could be spun-cast on glass plate coated with ITO electrode and highly transparent homogeneous thin films were obtained. The molecular weight of the polymer samples, as determined by gel permeation chromatography using polystyrene standards were larger than 10,000 $({\bar{M})w$. The chemical structures of polymers were confirmed by IR, UV-visible, and $^1H$ and $^{13}C$ NMR spectra respectively. We observed successfully the electroluminescence with the peaks at 505 - 560 nm. From the devices made of above polymers. These polymers have the strong absorption band at around 380 - 480 nm which are due to the$ π-π^*$ transition of the conjugated segments of the corresponding polymers. I - V curve showed typical rectifying diode characteristics. The electroluminescent specta of the polymers were very similar to the photoluminescent specta indicating that the origins of the light emissions in both cases are the same.
Advisors
Cho, I-Whan조의환
Description
한국과학기술원 : 신소재공학과,
Publisher
한국과학기술원
Issue Date
1997
Identifier
113184/325007 / 000939061
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 신소재공학과, 1997.2, [ viii, 113 p. ]

Keywords

Polymer; Electroluminescent; Conjugated polymer; 공액고분자; 고분자; 전기발광성

URI
http://hdl.handle.net/10203/49758
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=113184&flag=dissertation
Appears in Collection
MS-Theses_Ph.D.(박사논문)
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