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Second harmonic characteristics of Disperse Red 1 doped polysulfones

Published online by Cambridge University Press:  03 March 2011

Sze Keung Lor ,
Hiroyuki Hiraoka ,
Ping Yu ,
Lap-Tak Cheng  and
George K.L. Wong
Sze Keung Lor
Affiliation:
Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
Hiroyuki Hiraoka
Affiliation:
Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
Ping Yu
Affiliation:
Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
Lap-Tak Cheng*
Affiliation:
Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
George K.L. Wong
Affiliation:
Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
*
a)Permanent address: CR&D, The Du Pont Company, Wilmington, Delaware.
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Abstract

Polysulfones, such as poly(oxy-1,4-phenylenesulfonyl-1,4-phenyleneoxy-1,4-phenyleneisopropylid-ene-1,4-phenylene), poly(phenylene ether sulfone), poly(phenylene sulfone), and aliphatic polysulfone, poly(bicycloheptene sulfone), were employed as a host resin. N-ethyl-N-hydroxyethyl-4-(4'-nitrophenylazo)phenylamine (Disperse Red 1) acted as a guest molecule and was dispersed in those hosts with a concentration of 5 wt. % to 10 wt.%. Their second harmonic generation properties were characterized and compared. Xijk values obtained varied from 11 pm/V to 21 pm/V. The merits of polysulfones as a host material are good optical clarity, easy film forming, and fairly high glass transition Tg temperature (140 °C to 190 °C). Chemically, compared to polyimides they have good resistance to moisture, i.e., less vulnerable to hydrolysis. It is a good candidate for electro-optical materials.

Type
Rapid Communication
Information
Journal of Materials Research , Volume 10 , Issue 11 , November 1995 , pp. 2693 - 2696
Copyright
Copyright © Materials Research Society 1995

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References

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