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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
Source PublicationCRYSTENGCOMM
2017-08-28
DOI10.1039/c7ce00927e
Volume19Issue:32Pages:4713-4719
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary ; Crystallography
WOS Research AreaChemistry ; Crystallography
WOS KeywordHOLLOW ZEOLITE SPHERES ; CATALYTIC PERFORMANCE ; DIRECTED SYNTHESIS ; FABRICATION ; DESILICATION ; MONOLITHS ; MESOPORES ; MO/HZSM-5 ; TEMPLATE ; METHANOL
AbstractHierarchical 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.
Language英语
WOS IDWOS:000407764300007
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/149801
Collection中国科学院大连化学物理研究所
Affiliation1.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
Recommended Citation
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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