Phase-Transformation Synthesis of SAPO-34 and a Novel SAPO Molecular Sieve with RHO Framework Type from a SAPO-5 Precursor
文献类型：期刊论文
| 作者 | Tian, Peng1; Su, Xiong1,2; Wang, Yingxia3; Xia, Qinghua4; Zhang, Ying1; Fan, Dong1,2; Meng, Shuanghe1; Liu, Zhongmin1 |
| 刊名 | chemistry of materials
 |
| 出版日期 | 2011-03-22 |
| 卷号 | 23期号:6页码:1406-1413 |
| 关键词 | DNL-6 phase selectivity phase transformation RHO SAPO-34 |
| ISSN号 | 待补充 |
| 产权排序 | 1,1 |
| 通讯作者 | 刘中民 |
| 中文摘要 | phase-transformation synthesis of sapo-34 and a novel sapo molecular sieve with rho framework type from a sapo-5 precursor |
| 英文摘要 | sapo-34 and a novel sapo molecular sieve with the rho framework (designated as dnl-6) were synthesized using sapo-5 (the denser phase) as the precursor and diethylamine (dea) as the template. the entire transition process had been investigated by xrd, sem, xrf, and nmr spectroscopy, which clearly revealed a solution-mediated transport mechanism attributed to the transformation from sapo-5 to sapo-34 via oscillating phases [sapo-5 (fd = 16.9 t/nm(3)) double right arrow sapo-34 (15.1) + dnl-6 (14.5) -> dnl-6 -> sapo-34]. the initially formed sapo-34 was different from the final one in this transformation due to very different percentages of organic inclusions, indicating that the host-guest interactions played important roles for the phase selectivity during the synthesis. dnl-6, obtained as an intermediate of the transformation process, possessed good thermal stability, large microporous surface area (724 m(2)/g), and high micropore volume (0.36 cm(3)/g). rietveld refinement showed that the framework of calcined dnl-6 had typical features of the rho structure with a high symmetry [i23, a = 15.08429(9) angstrom], composed of a body-centered cubic arrangement of alpha cages linked via double 8-rings. |
| WOS标题词 | science & technology ; physical sciences ; technology |
| 学科主题 | 物理化学 |
| 类目[WOS] | chemistry, physical ; materials science, multidisciplinary |
| 研究领域[WOS] | chemistry ; materials science |
| 关键词[WOS] | al-27 nmr investigations ; hydrothermal synthesis ; zeolite structures ; aqueous-solutions ; conversion ; gel ; hydroxysodalite ; selectivity ; phosphorus ; mechanism |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000288291400010 |
| 公开日期 | 2012-07-09 |
| 源URL | [http://159.226.238.44/handle/321008/115839]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China 3.Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China 4.Hubei Univ, Minist Educ, Key Lab Synth & Applicat Organ Funct Mol, Sch Chem & Chem Engn, Wuhan 430062, Peoples R China |
| 推荐引用方式 GB/T 7714 | Tian, Peng,Su, Xiong,Wang, Yingxia,et al. Phase-Transformation Synthesis of SAPO-34 and a Novel SAPO Molecular Sieve with RHO Framework Type from a SAPO-5 Precursor[J]. chemistry of materials,2011,23(6):1406-1413. |
| APA | Tian, Peng.,Su, Xiong.,Wang, Yingxia.,Xia, Qinghua.,Zhang, Ying.,...&Liu, Zhongmin.(2011).Phase-Transformation Synthesis of SAPO-34 and a Novel SAPO Molecular Sieve with RHO Framework Type from a SAPO-5 Precursor.chemistry of materials,23(6),1406-1413. |
| MLA | Tian, Peng,et al."Phase-Transformation Synthesis of SAPO-34 and a Novel SAPO Molecular Sieve with RHO Framework Type from a SAPO-5 Precursor".chemistry of materials 23.6(2011):1406-1413. |
入库方式： OAI收割
来源：大连化学物理研究所
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