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Photopatternability of Poly(vinylcarbazole) Bearing Cinnamate Pendants and Its Blends with a Soluble Poly(p-phenylene vinylene) Derivative  

Yu, Young-Jun (Department of Chemistry, Center for Electro- and Photo-Responsive Molecules, Korea University)
Lee, Seung-Hun (Department of Chemistry, Center for Electro- and Photo-Responsive Molecules, Korea University)
Choi, Dong-Hoon (Department of Chemistry, Center for Electro- and Photo-Responsive Molecules, Korea University)
Jin, Jung-Il (Department of Chemistry, Center for Electro- and Photo-Responsive Molecules, Korea University)
Tessler, Nir (Microelectronic & Nanoelectronic Centers, Electrical Engineering Department)
Publication Information
Macromolecular Research / v.15, no.2, 2007 , pp. 142-146 More about this Journal
Abstract
Poly[(1-(9-carbazoly1)ethylene)-co-(3-cinnamoyloxyoctyl-9-carbazolyl)] ethylene (PVK-Cin) was prepared by tethering cinnamate pendants to a carbazole group via an octylene spacer. The photopatternability of the new PVK based-polymer was investigated using a photocrosslinking reaction under UV light illumination $(\lambda=254nm)$. Blends of the PVK-Cin and a soluble poly(phenylene vinylene) (CzEh-PPV) were employed to study the photocrosslinking behavior. Well resolved lithographic patterns were observed in these polymer systems. PVK-Cin produced a blue light emitting pattern both before and after the photocrosslinking reaction. The blends of PVK-Cin and CzEh-PPV also showed corresponding emissions at 398 and 525 (560) nm in the film state.
Keywords
photopatterning; poly(vinylcarbazole); cinnamate; PPV; carbazole; $2\pi+2\pi$ cycloaddition;
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