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Three novel polyoxometalate-based inorganic-organic hybrid materials based on 2,6-bis(1,2,4-triazol-1-yl)pyridine.

ABSTRACT: Three novel inorganic-organic hybrid materials [Co(btp)2(W5O16)(H2O)] n (1), [Cd3(btp)6(PW12O40)2(H2O)6·6H2O] n (2), and [Ag3(btp)2(PMo12O40)·1.5H2O] n (3) (btp = 2,6-bis(1,2,4-triazol-1-yl)pyridine) have been hydrothermally synthesized and characterized by IR spectroscopy, single-crystal X-ray diffraction, powder X-ray diffraction (PXRD), elemental analysis and thermal gravimetric analysis (TGA). The most striking structure feature of compound 1 is a 3D polycatenation framework, interpenetrated by a 2D 4-connected sql topology layer and a 3D 6-connected rob topology framework. Compound 2 exhibits a rare meso-helices 3D network with different chiralities crossing coexistence. Compound 3 also holds a 3D framework formed by linking terminal oxygen atoms of [α-PMo12O40]3- anions and silver ions in a 2D metal-organic layer. Compound 1 displays antiferromagnetic behavior. The luminescence, electrochemical and photocatalytic properties of compounds 1-3 have also been investigated. Compound 3 exhibits significant electrochemical activity for the reduction of H2O2 while compounds 1 and 2 show efficient photocatalytic activities for the degradation of Rhodamine B (RhB). Furthermore, the three compounds display luminescence behaviors in the solid state.

SUBMITTER: Wu Y 

PROVIDER: S-EPMC9063552 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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Three novel polyoxometalate-based inorganic-organic hybrid materials based on 2,6-bis(1,2,4-triazol-1-yl)pyridine.

Wu Yingying Y   Li Xuefei X   Liu Ying Y   Xiao Ge G   Huang Yijiao Y   Li Yamin Y   Dang Dongbin D   Bai Yan Y  

RSC advances 20190416 21

Three novel inorganic-organic hybrid materials [Co(btp)<sub>2</sub>(W<sub>5</sub>O<sub>16</sub>)(H<sub>2</sub>O)] <sub><i>n</i></sub> (1), [Cd<sub>3</sub>(btp)<sub>6</sub>(PW<sub>12</sub>O<sub>40</sub>)<sub>2</sub>(H<sub>2</sub>O)<sub>6</sub>·6H<sub>2</sub>O] <sub><i>n</i></sub> (2), and [Ag<sub>3</sub>(btp)<sub>2</sub>(PMo<sub>12</sub>O<sub>40</sub>)·1.5H<sub>2</sub>O] <sub><i>n</i></sub> (3) (btp = 2,6-bis(1,2,4-triazol-1-yl)pyridine) have been hydrothermally synthesized and characterized by I  ...[more]

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