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Study on the Relations of Structure and the Ultrafast Optical Kerr Effect of Polynitriles

Published online by Cambridge University Press:  10 February 2011

Q. Wang
Affiliation:
Peking Univ., College of Chemistry and Molecular Engineering, Beijing 100871, P. R. China
Y. Y. Li
Affiliation:
Peking Univ., College of Chemistry and Molecular Engineering, Beijing 100871, P. R. China
W. W. Pei
Affiliation:
Peking Univ., College of Chemistry and Molecular Engineering, Beijing 100871, P. R. China
Y. K. He
Affiliation:
Peking Univ., College of Chemistry and Molecular Engineering, Beijing 100871, P. R. China
C. Q. Luo
Affiliation:
Peking Univ., College of Chemistry and Molecular Engineering, Beijing 100871, P. R. China
H. Y. Chen
Affiliation:
Peking Univ., College of Chemistry and Molecular Engineering, Beijing 100871, P. R. China
L. Lin
Affiliation:
Peking Univ., Dept. of Physics, Mesoscopic Physics Lab, Beijing 100871, P. R. China
C. F. Wang
Affiliation:
Peking Univ., Dept. of Physics, Mesoscopic Physics Lab, Beijing 100871, P. R. China
Y. H. Zou
Affiliation:
Peking Univ., Dept. of Physics, Mesoscopic Physics Lab, Beijing 100871, P. R. China
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Abstract

A series of polybenzonitrile derivatives, prepared by plasma glow discharge processes or chemical polymerization, were characterized by FT-IR, UV-Vis, GPC and VPO etc. The secondorder nonlinear optical hyperpolarizability γ of various benzonitrile monomers and their, polymers were measured by the femtosecond time-resolved optical Kerr effect technique, and the structureproperty relationships were discussed. The power law dependence of γ on the averagepolymerization- degree of several polybenzonitrile derivatives were also reported.

Type
Research Article
Copyright
Copyright © Materials Research Society 1998

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