Novel Complicated Titanate Consisted of Three Sublattices

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Novel Complicated Titanate Consisted of Three Sublattices

XU Yue-Hua^1*, JIANG Hai-Ying¹, FU Shuang¹, LI Ji-Xue¹, NAKAYAMA Noriaki², WANG Dan³, XU Jia-Ning¹, SONG Tian-You¹, FENG Shou-Hua¹

1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China;
2. Department of Advanced Materials Science and Engineering, Faculty of Engineering, Yamaguchi University, Ube 755-8611, Japan;
3. Institute of Proress Engineering, Chinese Academy of Sciences, Beijing 100080, China

Received:2008-04-28 Revised:1900-01-01 Online:2009-03-10 Published:2009-03-10
Contact: XU Yue-Hua

Abstract

Abstract: A novel multisublattice compound, [Ni(OH)_1.115(H₂O)_0.885]_1.22(Ti_1.73O₄)·1.65H₂O, was hydrothermally synthesized with K_0.81Li_0.27Ti_1.73O₄ as the precursor. This compound was characterized by XRD, IR, TG-DTA and TEM. In this compound, the TiO₂ layers and Ni(OH)₂ layers alternately stack together along the c direction, and three sublattices were formed. One is TiO₂ sublattice, which is orthorhombic with possible space group Pmmm, the lattice parameters are a=0.3875 nm, b=0.2976 nm, c=2.288 nm and α=β=γ=90°. The other two are Ni(OH)₂ sublattices which have the same dimensions and symmetry, the lattice parameters are a=b=0.3140 nm, c=2.288 nm, α=β=90° and γ=120°. TiO₂ sublattice and Ni(OH)₂ sublattice are incommensurate in two dimensions in the ab plane. This result confirms that it is possible to design and synthesize more complicated misfit layered compounds based on the layered compounds by the soft chemical method.

Key words: Multisublattice compound, Incommensurate structure, Misfit-layered compound, Titanate, Ni(OH)₂

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XU Yue-Hua^1*, JIANG Hai-Ying¹, FU Shuang¹, LI Ji-Xue¹, NAKAYAMA Noriaki², WANG Dan³, XU Jia-Ning¹, SONG Tian-You¹, FENG Shou-Hua¹
. Novel Complicated Titanate Consisted of Three Sublattices[J]. Chem. J. Chinese Universities, doi: .

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Novel Complicated Titanate Consisted of Three Sublattices

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