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Well-Organized Zeolite Nanocrystal Aggregates with Interconnected Hierarchically Micro-Meso-Macropore Systems Showing Enhanced Catalytic Performance
Yang, Xiao-Yu1,2,5; Tian, Ge2; Chen, Li-Hua2; Li, Yu1,2; Rooke, Joanna C.2; Wei, Ying-Xu3; Liu, Zhong-Min3; Deng, Zhao1; Van Tendeloo, Gustaaf4; Su, Bao-Lian1,2
关键词Crystal Growth Heterogeneous Catalysis Mesoporous Materials Microporous Materials Zeolites
刊名CHEMISTRY-A EUROPEAN JOURNAL
2011-12-01
DOI10.1002/chem.201101594
17期:52页:14987-14995
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]MESOPOROUS SILICA MATERIALS ; SINGLE-CRYSTALS ; SI/AL RATIO ; ZSM-5 ; ALUMINOSILICATES ; TEMPLATE ; MONOLITHS ; SBA-15 ; WALLS ; ACID
英文摘要Preparation and characterization of well-organized zeolitic nanocrystal aggregates with an interconnected hierarchically micromesomacro porous system are described. Amorphous nanoparticles in bimodal aluminosilicates were directly transformed into highly crystalline nanosized zeolites, as well as acting as scaffold template. All pores on three length scales incorporated in one solid body are interconnected with each other. These zeolitic nanocrystal aggregates with hierarchically micromesomacroporous structure were thoroughly characterized. TEM images and 29Si NMR spectra showed that the amorphous phase of the initial material had been completely replaced by nanocrystals to give a micromesomacroporous crystalline zeolitic structure. Catalytic testing demonstrated their superiority due to the highly active sites and the presence of interconnected micromesomacroporosity in the cracking of bulky 1,3,5-triisopropylbenzene (TIPB) compared to traditional zeolite catalysts. This synthesis strategy was extended to prepare various zeolitic nanocrystal aggregates (ZSM-5, Beta, TS-1, etc.) with well-organized hierarchical micromesomacroporous structures.
语种英语
WOS记录号WOS:000298547300035
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142304
专题中国科学院大连化学物理研究所
作者单位1.Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
2.Univ Namur FUNDP, Lab Inorgan Mat Chem CMI, B-5000 Namur, Belgium
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Beijing 100864, Peoples R China
4.Univ Antwerp, EMAT, B-2020 Antwerp, Belgium
5.Fonds Natl Rech Sci, Brussels, Belgium
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Yang, Xiao-Yu,Tian, Ge,Chen, Li-Hua,et al. Well-Organized Zeolite Nanocrystal Aggregates with Interconnected Hierarchically Micro-Meso-Macropore Systems Showing Enhanced Catalytic Performance[J]. CHEMISTRY-A EUROPEAN JOURNAL,2011,17(52):14987-14995.
APA Yang, Xiao-Yu.,Tian, Ge.,Chen, Li-Hua.,Li, Yu.,Rooke, Joanna C..,...&Su, Bao-Lian.(2011).Well-Organized Zeolite Nanocrystal Aggregates with Interconnected Hierarchically Micro-Meso-Macropore Systems Showing Enhanced Catalytic Performance.CHEMISTRY-A EUROPEAN JOURNAL,17(52),14987-14995.
MLA Yang, Xiao-Yu,et al."Well-Organized Zeolite Nanocrystal Aggregates with Interconnected Hierarchically Micro-Meso-Macropore Systems Showing Enhanced Catalytic Performance".CHEMISTRY-A EUROPEAN JOURNAL 17.52(2011):14987-14995.
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