Preparation and near-infrared optical limiting property of fluorene-containing functional polyacetylene
writer：Naibo Lin, Yan Feng, Shanyi Guang, Hongyao Xu*
keywords：near-infrared, optical limiting
source：期刊
specific source：Chin. Chem. Lett., 2011, 22 (10): 1257-1260
Issue time：2011年
A novel functional polyacetylene containing fluorene group as a pendant, poly(2-( p-methylstyrene)-7-acetylene-9,9-dioctylfluorene), was synthesized in moderate yield by [Rh(nbd)Cl]2-Et3N catalyst. The structures and properties of monomer and polymer were characterized and evaluated with FTIR, NMR, UV–vis, GPC and Z-scan, respectively. The results show that the incorporation of fluorene into polyacetylene has endowed the resultant polymer with well optical limiting properties for laser at wavelength 780 nm based on two-photon absorption mechanism.