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Abstract Chromophores L1 and L2 based on modified triphenylamine donors with diverse steric hindrance groups, have been designed in order to achieve large macroscopic r33 value of NLO polymers comparing… Click to show full abstract
Abstract Chromophores L1 and L2 based on modified triphenylamine donors with diverse steric hindrance groups, have been designed in order to achieve large macroscopic r33 value of NLO polymers comparing to traditional triarylaminophenyl chromophore T1. In electro-optic activities, the doped film L1-APC and L2-APC showed r33 value of 37 pm/V and 49 pm/V at the concentration of 25 wt%, which were more than two times higher than that of film T1/APC (16 pm/V). These properties, together with the good thermostability, suggest the potential use of the new chromophores as advanced material devices.
Journal Title: Materials Letters
Year Published: 2017
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