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A novel synthetic strategy to develop second‐order nonlinear optical polysilanes for potential photorefractive effects
Author(s) -
Tang Hongding,
Luo Jingdong,
Qin Jingui,
Kang Hu,
Ye Cheng
Publication year - 2000
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/1521-3927(20001101)21:16<1125::aid-marc1125>3.0.co;2-#
Subject(s) - photorefractive effect , nonlinear optics , nonlinear optical , nonlinear system , materials science , order (exchange) , optoelectronics , optics , chemical physics , chemistry , physics , quantum mechanics , finance , economics
A novel strategy to develop polysilanes functionalized with a high density of nonlinear optical chromophores has been explored. Thus a polysilane with phenyl and N,N ‐dialkylsubstituted aniline as pendant groups was synthesized under standard conditions for the Wurtz reductive coupling, and the post azo coupling of p ‐nitrobenzenediazonium fluoroborate towards the aniline groups afforded a dispersed red (DR) chromophore‐functionalized polysilane (P2). The poled film of P2 reveals a resonant d 33 value of 19 pm/V by second harmonic generation (SHG) measurements.