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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 ,
Y. Y. Li ,
W. W. Pei ,
Y. K. He ,
C. Q. Luo ,
H. Y. Chen ,
L. Lin ,
C. F. Wang  and
Y. H. Zou
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.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 488: Symposium J – Electrical, Optical & Magnetic Properties of Organic IV , 1997 , 271
Copyright
Copyright © Materials Research Society 1998

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