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Expanding the Chemistry of Salt-Inclusion Materials: Utilizing the Titanyl Ion as a Structure Directing Agent for the Targeted Synthesis of Salt-Inclusion Titanium Silicates
Crystal Growth & Design ( IF 3.8 ) Pub Date : 2020-11-12 , DOI: 10.1021/acs.cgd.0c01317
Gregory Morrison 1, 2 , Hans-Conrad zur Loye 1, 2
Affiliation  

Salt-Inclusion Materials (SIMs) are a diverse and interesting class of materials. However, their synthesis has been largely serendipitous. The targeted synthesis of SIMs requires both synthetic and structural considerations and can be greatly assisted by the use of a structure directing agent, for example, the uranyl unit. In this work, we introduce a new structure directing agent, the titanyl unit. Single crystals of two new titanyl silicate SIMs, [Cs3Cs6Cl0.7F0.3][(TiO)4(Si12O32)] and [Cs8Cs8Cl1.4F0.6][(TiO)4(Ti6Si14O51)] were obtained via flux growth. We also report the synthesis of a titanate silicate SIM, [Rb2Rb6Cl][Ti4Si10O31F]. Aqueous and molten ion exchange studies were performed to replace the salt-inclusion within the materials.

中文翻译:

扩大含盐材料的化学性质:利用钛酰离子作为结构导向剂,有针对性地合成含盐钛硅酸盐

含盐材料(SIM)是一类有趣的材料。但是,它们的合成在很大程度上是偶然的。SIM的靶向合成既需要综合考虑,也需要结构考虑,可以通过使用结构导向剂(例如,铀酰单元)极大地协助。在这项工作中,我们介绍了一种新的结构导向剂,钛氧基单元。[Cs 3 Cs 6 Cl 0.7 F 0.3 ] [(TiO)4(Si 12 O 32)]和[Cs 8 Cs 8 Cl 1.4 F 0.6 ] [(TiO)4(Ti 6)的两个新的钛硅酸酯SIM的单晶通过助熔剂生长获得Si 14 O 51)]。我们还报告了钛酸酯硅酸盐SIM [Rb 2 Rb 6 Cl] [Ti 4 Si 10 O 31 F]的合成。进行了水和熔融离子交换研究,以替代材料中的盐夹杂物。
更新日期:2020-12-02
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