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- Title
Assembly of ϵ‐Keggin Polyoxometalate from Molecular Crystal to Zeolitic Octahedral Metal Oxide.
- Authors
Wang, Jie; Li, Denan; Yang, Honggui; Yao, Shufan; Zhu, Qianqian; Sadakane, Masahiro; Li, Yanshuo; Ueda, Wataru; Zhang, Zhenxin
- Abstract
Zeolitic octahedral metal oxides are inorganic crystalline microporous materials with adsorption and redox properties. New ϵ‐Keggin nickel molybdate–based zeolitic octahedral metal oxides have been synthesized. 31P NMR spectroscopy shows that reduction of MoVI‐based molybdates forms an ϵ‐Keggin polyoxometalate that immediately transfers to the solid phase. Investigation of the formation process indicates that a low Ni concentration, insoluble reducing agent, and long synthesis time are the critical factors for obtaining the zeolite octahedral metal oxides rather than the ϵ‐Keggin polyoxometalate molecule. The synthesized zeolitic nickel molybdate with Na+ is used as the adsorbent, which effectively separates C2 hydrocarbon mixtures.
- Subjects
MOLECULAR crystals; MOLYBDATES; NUCLEAR magnetic resonance spectroscopy; METALLIC oxides; REDUCING agents; NICKEL
- Publication
Chemistry - A European Journal, 2022, Vol 28, Issue 41, p1
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.202200618