Functionalized polyoxometalate-based metal-organic cuboctahedra for selective adsorption toward cationic dyes in aqueous solution

Dalton Transactions : an International Journal of Inorganic Chemistry
Ya-Ru GongZhong-Min Su

Abstract

Two functionalized polyoxovanadate-based metal-organic polyhedra with heterocube formations are synthesized under solvothermal conditions. The structures of VMOP-18 and VMOP-19 display similar cuboctahedral geometries when the polyoxovanadate {V6O6(OCH3)9X(COO)3}n- (X = VO4, n = 1; SO4, n = 2) building units and organic ligands are considered as triangular faces of the polyhedra. Each cuboctahedron was surrounded by eight neighbouring cuboctahedra via strong C-Hπ interactions, leading to a 3D open supramolecular structure. Furthermore, the absorption ability toward the ionic dyes of VMOP-18 was investigated. Only cationic dyes can be absorbed into the cavity of VMOP-18, which indicates that the cationic dye absorption process is an ion-exchange process.

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Citations

Jan 7, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Jia-Hui LiGuo-Cheng Liu
Mar 1, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Shuang LiangJun Yan
Aug 21, 2019·Chemical Communications : Chem Comm·Yaru GongZhongmin Su
Oct 1, 2019·Chemistry : a European Journal·Yan ZhengXinlong Wang
Dec 4, 2020·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Zheng-Zhong ZhuQing-Fu Sun
Jan 13, 2021·Inorganic Chemistry·Shadi DerakhshanradChris Ritchie
Feb 11, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Bhavesh ParmarEringathodi Suresh
May 20, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Jilei WangYan Xu

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