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One pot synthesis of hierarchically macro/microporous ZSM-5 single crystals
Zhang, Yanfei1,2; Lu, Peng1,2; Yuan, Yangyang1; Xu, Li1; Guo, Hongchen3,4; Zhang, Xiaomin1; Xu, Lei1
刊名CRYSTENGCOMM
2017-08-28
DOI10.1039/c7ce00927e
19期:32页:4713-4719
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary ; Crystallography
研究领域[WOS]Chemistry ; Crystallography
关键词[WOS]HOLLOW ZEOLITE SPHERES ; CATALYTIC PERFORMANCE ; DIRECTED SYNTHESIS ; FABRICATION ; DESILICATION ; MONOLITHS ; MESOPORES ; MO/HZSM-5 ; TEMPLATE ; METHANOL
英文摘要Hierarchical aluminosilicate-based MFI zeolite single crystals with intracrystalline macropores were fabricated in one pot for the first time. The strategy involved the outward dissolution of the aluminosilicate precursor and simultaneous recrystallization of Si and Al species under the guidance of the organic template tetrapropylammonium bromide. The interesting outward dissolution of the aluminosilicate precursor from core to shell led to the formation of intracrystalline macropores. The Si/Al ratios of these macro/microporous ZSM-5 single crystals could be easily tuned in a wide range by varying the aluminum and alkali contents of the aluminosilicate precursors. The hierarchical ZSM-5 zeolite with highly interconnected macropores exhibited high performance in the 1,3,5-triisopropylbenzene cracking reaction due to the improved intracrystalline diffusion. This study provides a new strategy to fabricate highly efficient zeolites with hierarchical porosity in a simple and cost-effective way.
语种英语
WOS记录号WOS:000407764300007
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被引频次:3[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/321008/149801
专题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, Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Dalian Univ Technol, Dept Catalyt Chem & Engn, Dalian 116012, Peoples R China
4.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China
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GB/T 7714
Zhang, Yanfei,Lu, Peng,Yuan, Yangyang,et al. One pot synthesis of hierarchically macro/microporous ZSM-5 single crystals[J]. CRYSTENGCOMM,2017,19(32):4713-4719.
APA Zhang, Yanfei.,Lu, Peng.,Yuan, Yangyang.,Xu, Li.,Guo, Hongchen.,...&Xu, Lei.(2017).One pot synthesis of hierarchically macro/microporous ZSM-5 single crystals.CRYSTENGCOMM,19(32),4713-4719.
MLA Zhang, Yanfei,et al."One pot synthesis of hierarchically macro/microporous ZSM-5 single crystals".CRYSTENGCOMM 19.32(2017):4713-4719.
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