title: A series of hyperbranched polytriazoles containing perfluoroaromatic rings from AB2-type monomers: convenient syntheses by click chemistry under copper(I) catalysis and enhanced optical nonlinearity.
abstract: In this paper, four new hyperbranched polytriazoles containing azo moieties, derived from different AB(2) -type monomers, were successfully prepared through the "click" chemistry reaction under copper(I) catalysis by modifying the synthetic route. The polymers were soluble in organic solvents and exhibited good second-order nonlinear optical (NLO) properties. Thanks to the self-assembly of perfluoroaromatic moieties in the periphery, HP2 showed the best NLO properties, with the d(33) value as high as 145.0 pm V(-1).
authors.affiliation: Department of Chemistry, Hubei Key Laboratory on Organic and Polymeric Opto-Electronic Materials, Wuhan University, Wuhan 430072, China.
authors.forename: Wenbo
authors.initials: W
authors.lastname: Wu
authors.forename: Yingjie
authors.initials: Y
authors.lastname: Fu
authors.forename: Can
authors.initials: C
authors.lastname: Wang
authors.forename: Cheng
authors.initials: C
authors.lastname: Ye
authors.forename: Jingui
authors.initials: J
authors.lastname: Qin
authors.forename: Zhen
authors.initials: Z
authors.lastname: Li
mesh_terms: D002384:Catalysis; D057930:Click Chemistry; D003300:Copper / Q000737:chemistry*; D006845:Hydrocarbons, Fluorinated / Q000737:chemistry*; D015394:Molecular Structure; D017711:Nonlinear Dynamics; D055620:Optical Phenomena; D011108:Polymers / Q000138:chemical synthesis* / Q000737:chemistry; D014230:Triazoles / Q000138:chemical synthesis* / Q000737:chemistry
chemical_list: D006845:Hydrocarbons, Fluorinated; D011108:Polymers; D014230:Triazoles; D003300:Copper