Synthesis of Poly [(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene] and Its Third-order Nonlinear Optical Property

高等学校化学研究 ›› 2005, Vol. 21 ›› Issue (2): 220-223.

Synthesis of Poly [(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene] and Its Third-order Nonlinear Optical Property

ZHANG Zhi-gang, WU Hong-cai, YI Wen-hui

Institute of Photoelectric Technology and Solar Energy, School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, P. R. China

收稿日期:2004-04-13 出版日期:2005-03-24 发布日期:2011-07-27
基金资助:
Supported by the National Natural Science Foundation of China(No.60277002).

Synthesis of Poly [(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene] and Its Third-order Nonlinear Optical Property

ZHANG Zhi-gang, WU Hong-cai, YI Wen-hui

Institute of Photoelectric Technology and Solar Energy, School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, P. R. China

Received:2004-04-13 Online:2005-03-24 Published:2011-07-27
Supported by:
Supported by the National Natural Science Foundation of China(No.60277002).

摘要/Abstract

摘要： A novel soluble π-conjugated polymer, poly[(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene](POPNBE), was synthesized by a five-step reaction.As a result of introducing a long aeyl to pyrrole at 3-position, the polymer can be easily solved in polar solvents and be processed into films.The chemical structures of the intermediates and POPNBE were characterized by FTIR, ¹H NMR, and UV-Vis-NIR spectrometries.The absorption band in the range of 400-600 nm in the UV-Vis-NIR spectrum is due to the π-π^* band gap transition.The optical band gap of POPNBE obtained from the optical absorption is about 1.72eV.The resonant third-order nonlinear optical property of POPNBE at 532 nm was studied by using the degenerate fourwave mixing (DFWM) technique.The resonant third-order nonlinear optical susceptibility of POPNBE is about 3.42×10^-8 esu.

关键词: Poly[(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene], Small optical band gap, Degenerate four wave-mixing technique, Third-order non linear optical property

Abstract: A novel soluble π-conjugated polymer, poly[(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene](POPNBE), was synthesized by a five-step reaction.As a result of introducing a long aeyl to pyrrole at 3-position, the polymer can be easily solved in polar solvents and be processed into films.The chemical structures of the intermediates and POPNBE were characterized by FTIR, ¹H NMR, and UV-Vis-NIR spectrometries.The absorption band in the range of 400-600 nm in the UV-Vis-NIR spectrum is due to the π-π^* band gap transition.The optical band gap of POPNBE obtained from the optical absorption is about 1.72eV.The resonant third-order nonlinear optical property of POPNBE at 532 nm was studied by using the degenerate fourwave mixing (DFWM) technique.The resonant third-order nonlinear optical susceptibility of POPNBE is about 3.42×10^-8 esu.

Key words: Poly[(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene], Small optical band gap, Degenerate four wave-mixing technique, Third-order non linear optical property

ZHANG Zhi-gang, WU Hong-cai, YI Wen-hui. Synthesis of Poly [(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene] and Its Third-order Nonlinear Optical Property[J]. 高等学校化学研究, 2005, 21(2): 220-223.

ZHANG Zhi-gang, WU Hong-cai, YI Wen-hui. Synthesis of Poly [(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene] and Its Third-order Nonlinear Optical Property[J]. Chemical Research in Chinese Universities, 2005, 21(2): 220-223.

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Synthesis of Poly [(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene] and Its Third-order Nonlinear Optical Property

Synthesis of Poly [(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene] and Its Third-order Nonlinear Optical Property

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