Encapsulation and Sensitization of UV-vis and Near Infrared Lanthanide Hydrate Emitters for Dual- and Bimodal-Emissions in Both Air and Aqueous Media Based on a Porous Heteroatom-Rich Cd(II)-Framework |
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| Authors: | Yan-An Li Shu-Kui Ren Qi-Kui Liu Jian-Ping Ma Xueyuan Chen Haomiao Zhu Yu-Bin Dong |
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| Institution: | College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Engineering Research Center of Pesticide and Medicine Intermediate Clean Production, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University , Jinan 250014, P.R. China. |
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| Abstract: | A porous heteroatom-rich Cd(II)-polymeric framework which is generated from an ethylene glycol ether-bridging dicarboxylate ligand L, 4,4'-bipy and Cd(II) ion is reported. It contains one-dimensional tubes (9-11 ?) which are able to trap cationic lanthanide hydrates such as Eu(H(2)O)(8)(3+), Tb(H(2)O)(8)(3+), and Nd(H(2)O)(8)(3+) under ambient conditions to generate Ln(H(2)O)(8)(3+)-loaded materials. In addition, the heteroatom-rich host material can effectively protect and sensitize the encapsulated Ln(3+) emitters in their hydrate form in both air and aqueous media. Furthermore, the dual- and bimodal-emissions are successfully realized by intercalation of the different Ln(3+)-hydrates based on a guest-driven approach. |
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