Multimodal Zr-Silicalite-1 zeolite nanocrystal aggregates with interconnected hierarchically micro-meso-macroporous architecture and enhanced mass transport property

	Multimodal Zr-Silicalite-1 zeolite nanocrystal aggregates with interconnected hierarchically micro-meso-macroporous architecture and enhanced mass transport property
	Chen, Li-Hua 2,3; Xu, Shu-Tao 1; Li, Xiao-Yun 3; Tian, Ge 3; Li, Yu 2; Rooke, Joanna Claire 3; Zhu, Guang-Shan 4; Qiu, Shi-Lun 4; Wei, Ying-Xu 1; Yang, Xiao-Yu 2,3
刊名	journal of colloid and interface science
	2012-07-01
卷号	377 期号:1 页码:368-374
关键词	Hierarchically porous zeolites Micro-meso-macroporous Quasi-solid-state system Structure directed crystallization Strong acidity
通讯作者	刘中民 ; baoliansu
产权排序	4,2
英文摘要	hierarchical porous architecture with interconnected trimodal micro-meso-macroporous systems constructed from uniform zeolite zr-doped silicalite-1 nanocrystals has been prepared. the synthesis has been made by using glycerin as a reaction medium via a quasi-solid-state crystallization of hierarchically meso-macroporous zirconosilicate precursor under the effect of the structure directing agent tpaoh. the presence of glycerin is crucial in the synthesis systems to maintain the porous hierarchy. the pores inter-connectivity, zr location in the framework, the acidity and the catalytic activity have been studied by laser-hyperpolarized xe-129 nmr spectroscopy, uv-visible spectroscopy, temperature-programmed desorption of ammonia and the catalytic isopropylbenzene cracking probe reaction, respectively. the products possess well-defined macrochannels interconnected with mesopores located in the macropore walls, which in turn have been constructed from microporous mfi-type zeolite units. xe-129 nmr study indicated that the hierarchically micro-, meso-, macro-pore systems are homogeneously distributed throughout the final materials and well interconnected, which is important for molecular diffusion. the tpd-nh3 investigation revealed that the hierarchically micro-meso-macroporous materials constructed from zeolite zr-silicalite-1 nanocrystals present strong acidity. (c) 2012 elsevier inc. all rights reserved.
学科主题	物理化学
类目[WOS]	chemistry, physical
研究领域[WOS]	chemistry
关键词[WOS]	catalytic performance ; porous structures ; zsm-5 zeolite ; nmr ; selectivity ; mesopores ; crystals ; sba-15 ; xenon ; beta
收录类别	SCI
语种	英语
WOS记录号	WOS:000304432400050
公开日期	2013-10-11
内容类型	期刊论文
源URL	[http://159.226.238.44/handle/321008/117985]
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 Natl Lab Clean Energy, Dalian Inst Chem Phys, Beijing 100864, Peoples R China 2.Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China 3.Univ Namur FUNDP, Lab Inorgan Mat Chem CMI, B-5000 Namur, Belgium 4.Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China
推荐引用方式 GB/T 7714	Chen, Li-Hua,Xu, Shu-Tao,Li, Xiao-Yun,et al. Multimodal Zr-Silicalite-1 zeolite nanocrystal aggregates with interconnected hierarchically micro-meso-macroporous architecture and enhanced mass transport property[J]. journal of colloid and interface science,2012,377(1):368-374.
APA	Chen, Li-Hua.,Xu, Shu-Tao.,Li, Xiao-Yun.,Tian, Ge.,Li, Yu.,...&Su, Bao-Lian.(2012).Multimodal Zr-Silicalite-1 zeolite nanocrystal aggregates with interconnected hierarchically micro-meso-macroporous architecture and enhanced mass transport property.journal of colloid and interface science,377(1),368-374.
MLA	Chen, Li-Hua,et al."Multimodal Zr-Silicalite-1 zeolite nanocrystal aggregates with interconnected hierarchically micro-meso-macroporous architecture and enhanced mass transport property".journal of colloid and interface science 377.1(2012):368-374.