Citation: Shou Chun YIN, Gang LI, Hong Yao XU, Ya Chen GAO, Yin Lin SONG. Preparation and Nonlinear Optical Property of Azobenzene Substituted Polyacetylene[J]. Chinese Chemical Letters, ;2005, 16(12): 1603-1606. shu

Preparation and Nonlinear Optical Property of Azobenzene Substituted Polyacetylene

1.
Faculty of Chemistry and Chemical Engineering, Anhui University, Hefei 230039;
2.
Department of Physics, Harbin Institute of Technology, Harbin 150001

Received Date: 4 April 2005

Fund Project: We thank financially supported by the National Natural Science Foundation of China (Grant No.50073001 and 90206014), Program for New Century Excellent Talents in University (NCET-04-0588), the Outstanding Youth Fund of Anhui Province (Grant No.04044060) and the Award for High Level Intellectuals (Grant No.2004Z027) from Anhui Province.

Two new functional polyacetylenes bearing different azobenzene group, -{HC=C[azo-N(CH₃)CH₂CH₂OH]}_n-, [poly(EHAB); azo=4,4'-azobenzene] and -{HC=C[azo-N(CH₃)CH₂CH₂OCOC₃H₇]}_n-, [poly(EEAB)]} were prepared by [Rh(nbd)Cl]₂-Et₃N catalysts. Poly(EHAB) has poor solubility while poly(EEAB) can be dissolved in common solvent. The polymers were characterized by FTIR, ¹H NMR, UV and GPC. The nonlinear optical property of the soluble poly(EEAB) was investigated with 8 ns width pulse at 532 nm by Z-scan technique. The results show that poly(EEAB) is endowed with the larger third-order nonlinear optical property.
- Substituted polyacetylene,
- nonlinear optics,
- azobenzene
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