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A New Class of Poty(1,6-heptadiyne)-Based Photorefractive Materials by Metathesis Polymerization

 

作者: HwanKyu Kim,   InKyu Moon,   Ji-Hoon Lee,   Sam-Kwon Choi,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  (Taylor Available online 1998)
卷期: Volume 316, issue 1  

页码: 91-94

 

ISSN:1058-725X

 

年代: 1998

 

DOI:10.1080/10587259808044467

 

出版商: Taylor & Francis Group

 

关键词: photorefractive polymer;poly(1,6-heptadiyne);2nd- order NLO coefficient;photocurrent

 

数据来源: Taylor

 

摘要:

We utilized the first metathesis reaction to synthesize a new type of photorefractive polymers that contain both a carbazole moiety as a hole transporter and NLO chromophores, attached to π-conjugated backbones. These polymers show two maximum values of photocurrent around 350 and 700nm.The electro-optic coefficient (r33) of the poled polymer films measured at the wavelength of 1.3 μmwas in the value of 10.1pm/V. The nonresonat values of the third-order NLO coefficient, χ(3), of the resulting polymers were found to be 2.9 × 10−32esu.at the incident wavelength of 1.907 μm.

 

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