Synthesis and Characterization of a Layered Silicogermanate PKU-22 and Its Topotactic Condensation to a Three-Dimensional STI-type Zeolite

	Synthesis and Characterization of a Layered Silicogermanate PKU-22 and Its Topotactic Condensation to a Three-Dimensional STI-type Zeolite
	Chen, Yanping 1; Huang, Shiliang 2; Wang, Xiaoge 1; Zhang, Lei 1; Wu, Ningning 3; Liao, Fuhui 1; Wang, Yingxia 1
刊名	CRYSTAL GROWTH & DESIGN
	2017-10-01
卷号	17 期号:10 页码:5465-5473
英文摘要	A new layered silicogermanate, PKU-22, was hydrothermally synthesized under fluoride conditions using the tetraethylammonium (TEA(+)) cation as the structure directing agent (SDA). The crystal structure was determined by single crystal X-ray diffraction. Structure analysis reveals that PKU-22 is constructed by sti layers stacking along the [100] direction in an center dot center dot center dot AAAA center dot center dot center dot manner, with TEA(+) cations occurring in the interlayer spaces and F- anions residing within the layer and connecting to Ge atoms, which also act as the charge compensation species. In situ temperature-variable powder X-ray diffraction results indicated that PKU-22 could be into a three-dimensional STI-type zeolite PKU-22a on heating. It is interesting that the TEA+ cations remain transferred structure of the condensed product. Solid-state NMR, inductively coupled plasma atomic emission spectroscopy, intact in the thermogravimetric-differential scanning calorimetry, and carbon, hydrogen, and nitrogen elemental analyses were applied to aid the structure analysis of PKU-22 and illustrate its transformation. The scheme of the topotactic condensation of PKU-22 to PKU-22a is proposed.
语种	英语
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/41259]
专题	化学研究所_分析测试中心
作者单位	1.Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China 2.China Acad Engn Phys, Inst Chem Mat, Mianyang 621900, Peoples R China 3.Chinese Acad Sci, Inst Chem, Physicochem Anal & Measurements Ctr, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Chen, Yanping,Huang, Shiliang,Wang, Xiaoge,et al. Synthesis and Characterization of a Layered Silicogermanate PKU-22 and Its Topotactic Condensation to a Three-Dimensional STI-type Zeolite[J]. CRYSTAL GROWTH & DESIGN,2017,17(10):5465-5473.
APA	Chen, Yanping.,Huang, Shiliang.,Wang, Xiaoge.,Zhang, Lei.,Wu, Ningning.,...&Wang, Yingxia.(2017).Synthesis and Characterization of a Layered Silicogermanate PKU-22 and Its Topotactic Condensation to a Three-Dimensional STI-type Zeolite.CRYSTAL GROWTH & DESIGN,17(10),5465-5473.
MLA	Chen, Yanping,et al."Synthesis and Characterization of a Layered Silicogermanate PKU-22 and Its Topotactic Condensation to a Three-Dimensional STI-type Zeolite".CRYSTAL GROWTH & DESIGN 17.10(2017):5465-5473.