Synthesis of large silicon substituted AlPO4-11 single crystals

被引：19
|
作者：
Fu, L. [1 ]
Zhai, J. P. [1 ]
Hu, J. M. [2 ]
Li, I. L. [1 ]
Ruan, S. C. [1 ]
Tang, Z. K. [2 ]
机构：
[1] Shenzhen Univ, Coll Elect Sci & Technol, Shenzhen 518060, Peoples R China
[2] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2011年 / 137卷 / 1-3期
关键词：
Synthesis; SAPO; 11; Molecular sieve; Single crystals; MOLECULAR-SIEVE; ALUMINOPHOSPHATE; SAPO-11;
D O I：
10.1016/j.micromeso.2010.08.014
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
We report the effects of gel composition and crystallization conditions on the hydrothermal synthesis of large sill( on substituted AlPO4-11 single crystals (SAPO-11) Perfect large SAPO 11 single crystals with a typical dimension of 40 x 80 x 180 mu m(3) were synthesized by optimizing the following synthesis conditions crystallization temperature and duration molar ratio SiO2/Al2O3 amount of the organic template dipropylamine (DPA) and HF Single crystal X-ray diffraction measurement showed that the as-synthesized SAPO 11 single crystals are of space group lcm2 symmetry with lattice constants a = 13 384 angstrom b = 18 60 angstrom and c = 8 414 angstrom and their unit cell volume is V = 2094 angstrom(3) (C) 2010 Elsevier Inc All rights reserved
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页码：1 / 7
页数：7
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