A one-dimensional coordination polymer[(C_(2)H_(4)OH)C_(4)H_(9)NS]CdCl_(3)(1)with flexible N-(2-hydroxyethyl)thiomorpholinium cations coordinating to central metal Cd crystallized in a chiral space group P2_(1)2_(1)2_...A one-dimensional coordination polymer[(C_(2)H_(4)OH)C_(4)H_(9)NS]CdCl_(3)(1)with flexible N-(2-hydroxyethyl)thiomorpholinium cations coordinating to central metal Cd crystallized in a chiral space group P2_(1)2_(1)2_(1)and showed a reversible phase transition at 174.4/162.8 K,which corresponded to the second harmonic generation(SHG)activity and dielectric switching.The introduction of a thioether group enables 1 to adsorb Pd(II)metal ions and the SHG signal and dielectric switching disappeared after adsorption;hence,Pd(II)adsorption can be monitored by the measurements of SHG and dielectric switching.This study emphasizes the advantages of introducing functional groups into the phase transition materials and presents a new approach to design multifunctional materials.展开更多
基金supported by the National Natural Science Foundation of China(21771037 and 21805033).
文摘A one-dimensional coordination polymer[(C_(2)H_(4)OH)C_(4)H_(9)NS]CdCl_(3)(1)with flexible N-(2-hydroxyethyl)thiomorpholinium cations coordinating to central metal Cd crystallized in a chiral space group P2_(1)2_(1)2_(1)and showed a reversible phase transition at 174.4/162.8 K,which corresponded to the second harmonic generation(SHG)activity and dielectric switching.The introduction of a thioether group enables 1 to adsorb Pd(II)metal ions and the SHG signal and dielectric switching disappeared after adsorption;hence,Pd(II)adsorption can be monitored by the measurements of SHG and dielectric switching.This study emphasizes the advantages of introducing functional groups into the phase transition materials and presents a new approach to design multifunctional materials.