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Novel topological nets of lanthanide metal-organic frameworks based on dicarboxylate ligands |
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| Authors: | Xing Li Mei-Qin Zha Rong Cao |
| Institution: | a Faculty of Materials Science and Chemical Engineering, Ningbo University, Fenghua Road 818, Ningbo, Zhejiang 315211, PR China b State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, CAS, Fuzhou, Fujian 350002, PR China c Faculty of Material Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510641, PR China |
| Abstract: | Four novel topological nets of lanthanide metal-organic frameworks: Sm2(op)3(H2O)]n (1), {Ln2(op)2(ox)(H2O)4] · H2O}n (Ln = La, 2; Sm, 3), {La2(mp)2(ox)(H2O)4] · 2H2O}n (4), La2(op)2(mp)(H2O)4]n (5) (op = o-phthalate, mp = m-phthalate, and ox = oxalate), have been hydrothermally synthesized and characterized. Compound 1 exhibits novel (3,4,5,6)-connected five-nodal two-dimensional net, compound 2 and 3 show the (3,4)-connected V2O5 topologies, compound 4 has the (4,5)-connected topological net, and compound 5 shows the (4,5)-connected four-nodal three-dimensional network. Photoluminescent analyses of 1 and 3 show strong blue emission in the solid state at room temperature. |
| Keywords: | Topological nets Lanthanides Dicarboxylates Mixed nodes |
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