The polyetherketone(PEK-c)guest-host system thin films in which the range of the weight percent of 3-(1,1-dicyanothenyl)-1-phenyl-4,5-dihydro-1H-pry azole(DCNP)is from 20% to 50% were prepared.The predicted high value...The polyetherketone(PEK-c)guest-host system thin films in which the range of the weight percent of 3-(1,1-dicyanothenyl)-1-phenyl-4,5-dihydro-1H-pry azole(DCNP)is from 20% to 50% were prepared.The predicted high value of electro-optical(EO) coefficient γ33=48.8 pm/V by using two-level model was obtained when the weight percent of DCNP in the polymer system is 40%,whereas EO coefficients are attenuated at higher chromophore loading than 40%.The temporal stability of the EO activity of the guest-host polymer was evaluated by probing the decay of the orientational order of the chromophores in the polymer system.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No.69990540。
文摘The polyetherketone(PEK-c)guest-host system thin films in which the range of the weight percent of 3-(1,1-dicyanothenyl)-1-phenyl-4,5-dihydro-1H-pry azole(DCNP)is from 20% to 50% were prepared.The predicted high value of electro-optical(EO) coefficient γ33=48.8 pm/V by using two-level model was obtained when the weight percent of DCNP in the polymer system is 40%,whereas EO coefficients are attenuated at higher chromophore loading than 40%.The temporal stability of the EO activity of the guest-host polymer was evaluated by probing the decay of the orientational order of the chromophores in the polymer system.
