期刊
INORGANIC CHEMISTRY
卷 58, 期 16, 页码 10928-10935出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.9b01365
关键词
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资金
- KAKENHI from the Japan Society for the Promotion of Science (JSPS) [22350093, 17H03129, 18K18310]
- Japan Synchrotron-Radiation Research Institute (JASRI) [2010A1287, 2010B1279, 2011B1703, 2012B1770, 2013B1677, 2014A1684, 2016A0074, 2017A1483, 2017A0074, 2017B1196, 2017B0074, 2018A1004]
- Shimane Prefecture
- Grants-in-Aid for Scientific Research [22350093, 17H03129, 18K18310] Funding Source: KAKEN
Layered double hydroxides (LDHs) are promising compounds in a wide range of fields. However, exchange of CO32- anions with other anions is necessary, because the CO32- anions are strongly affixed in the LDH interlayer space. To elucidate the reason for the extremely high stability of CO32- anions intercalated in LDHs, we investigated in detail the chemical states of CO32- anions and hydrated water molecules in the LDH interlayer space by synchrotron radiation X-ray diffraction, solid-state NMR spectroscopy, and Raman spectroscopy. We found the rigidity of the network structure formed between the CO32- anions, hydrated water molecules, and the hydroxyl groups on the metal hydroxide layer surface to be a crucial factor underlying the stability of CO32- anions in the LDH interlayer space.
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