| 학회 |
한국고분자학회 |
| 학술대회 |
2004년 가을 (10/08 ~ 10/09, 경북대학교) |
| 권호 |
29권 2호, p.44 |
| 발표분야 |
분자전자 소재의 현황과 전망 |
| 제목 |
Highly Efficient Photorefractive Composites Based on Mesophasic Photoconductive Polymers |
| 초록 |
We study high performance photorefractive materials based on different mesophasic photoconductive polymers PPT-CZ and PPT-TPA. These photoconductors consisted of the rigid backbone of poly(p-phenyleneterephthalate), PPT and pendent hole-transporting carbazole (CZ) or triphenylamine (TPA) groups attached at the end of oxyalkyl spacers. The photorefractive composites contain the photoconductor PPT-CZ or PPT-TPA, the nonlinear optical chromophores diethylaminodicyanostyrene (DDCST) or piperidinodicyanostyrene (PDCST), and the sensitizer C60 without the addition of any plasticizer. These composites showed very low glass transition temperatures Tg. Despite the absence of a plasticizer and the lower concentration of the photoconductive moieties as compared to poly(N-vinylcarbazole) composites, these materials show excellent photorefractive properties in transmission grating geometry and reflection grating geometry. We also investigate the correlation between the obtained mesophase structures and these optical/physical properties. |
| 저자 |
O-Pil Kwon1, Seong-Ji Kwon2, Mojca Jazbinsek3, Germano Montemezzani4, Peter Günter5, Suck-Hyun Lee6
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| 소속 |
1Nonlinear Optics Laboratory, 2Institute of Quantum Electronics, 3Swiss Federal Institute of Technology, 4ETH Honggerberg, 5CH-8093 Zurich, 6Switzerland |
| 키워드 |
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| E-Mail |
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