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Synthesis and nonlinear optical properties of novel Y‐type polyurethane containing nitrothiazolylazoresorcinoxy groups with highly enhanced thermal stability of second harmonic generation
Author(s) -
Choe Kang Yun,
Lee JiHyang,
Kim JungEun,
Lee JuYeon
Publication year - 2016
Publication title -
polymer international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.592
H-Index - 105
eISSN - 1097-0126
pISSN - 0959-8103
DOI - 10.1002/pi.5064
Subject(s) - polyurethane , thermal stability , glass transition , second harmonic generation , materials science , differential scanning calorimetry , thermogravimetric analysis , polymer , polymer chemistry , chromophore , nonlinear optics , analytical chemistry (journal) , chemical engineering , composite material , nonlinear system , organic chemistry , optics , chemistry , thermodynamics , laser , physics , quantum mechanics , engineering
A novel Y‐type polyurethane containing 4‐(5‐nitro‐2‐thiazolylazo)resorcinoxy groups as nonlinear optical chromophores exhibited second harmonic generation coefficient ( d 33 ) of 3.78 pm V −1 at 1064 nm fundamental wavelength with second harmonic generation thermal stability up to 130 °C, which is acceptable for nonlinear optical device applications.
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