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Synthesis of SAPO-34 with only Si(4Al) species: Effect of Si contents on Si incorporation mechanism and Si coordination environment of SAPO-34
Xu, Lei1,2; Du, Aiping1; Wei, Yingxu1; Wang, Yingli1,2; Yu, Zhengxi1,2; He, Yanli1; Zhang, Xinzhi1; Liu, Zhongmin1; Liu ZM(刘中民)
关键词Sapo-34 Si Incorporation Mechanism Si Coordination Environment
刊名MICROPOROUS AND MESOPOROUS MATERIALS
2008-11-01
DOI10.1016/j.micromeso.2008.02.001
115期:3页:332-337
收录类别SCI
文章类型Article
部门归属8
项目归属803
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]ANGLE-SPINNING NMR ; MOLECULAR-SIEVES ; SILICON INCORPORATION ; CONVERSION ; CATALYSTS ; METHANOL ; ZEOLITES ; ALPO4-18 ; TEMPLATE ; SITES
英文摘要SAPO-34 molecular sieves with different Si coordination environment were synthesized by adjusting SiO2/Al2O3 molar ratio in starting gel. The crystal structure, element composition and Si coordination environment of the as-synthesized samples were characterized by XRD, SEM, XRF and NMR. SAPO-34 molecular sieve could be obtained when the SiO2/Al2O3 molar ratio of the starting gel was higher than 0.075. The content and modeling of Si incorporated into SAPO-34 framework varied with the SiO2/Al2O3 molar ratios in the starting gel and different Si chemical environments were formed correspondingly. SAPO-34 with only Si(4Al) coordination structure could be prepared when the SiO2/Al2O3 molar ratio of the starting gel was in range of 0.075-0.15. (c) 2008 Elsevier Inc. All rights reserved.
语种英语
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WOS记录号WOS:000259845000012
引用统计
被引频次:63[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/100629
专题中国科学院大连化学物理研究所
通讯作者Liu ZM(刘中民)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Xu, Lei,Du, Aiping,Wei, Yingxu,et al. Synthesis of SAPO-34 with only Si(4Al) species: Effect of Si contents on Si incorporation mechanism and Si coordination environment of SAPO-34[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2008,115(3):332-337.
APA Xu, Lei.,Du, Aiping.,Wei, Yingxu.,Wang, Yingli.,Yu, Zhengxi.,...&刘中民.(2008).Synthesis of SAPO-34 with only Si(4Al) species: Effect of Si contents on Si incorporation mechanism and Si coordination environment of SAPO-34.MICROPOROUS AND MESOPOROUS MATERIALS,115(3),332-337.
MLA Xu, Lei,et al."Synthesis of SAPO-34 with only Si(4Al) species: Effect of Si contents on Si incorporation mechanism and Si coordination environment of SAPO-34".MICROPOROUS AND MESOPOROUS MATERIALS 115.3(2008):332-337.
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