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Sodium carbonate-assisted synthesis of hierarchically porous single-crystalline nanosized zeolites
Zhou, Xiaoxia; Chen, Yu; Ge, Tongguang; Hua, Zile; Chen, Hangrong; Shi, Jianlin
2017
发表期刊Science Bulletin
ISSN20959273
卷号62期号:14页码:1018-1024
摘要Hierarchically porous single-crystalline nanosized zeolites as heterogeneous catalysts show great potential in fine chemistry because they offer more rich hierarchically porous channels for the mass transfer and molecular diffusion. However, the synthesis of hierarchically porous nanosized zeolites generally requires the assistance of templates acting as the mesoporogens, which limits its popularity. Herein, we report a one-pot and template-free synthesis of hierarchically porous single-crystalline nanosized zeolite beta only by introducing sodium carbonate in precursor solution. The resulted sample features the extraordinary properties, including the uniform nanocrystal (200–300 nm), high pore volume (0.65 cm3 g−1) and the hierarchical pore-size distribution (e.g., 2–8 and 90–150 nm). After slicing processing, it is interestingly found that a large number of interconnected mesopores penetrate throughout whole material, which enables the hierarchically porous nanosized zeolite beta remarkably superior catalytic activity than the conventional zeolite beta in condensation of benzaldehyde with ethanol at room temperature. More importantly, this one-pot sodium carbonate-assisted synthetic strategy is highly versatile, which has also been successfully developed to synthesize hierarchically porous nanosized single-crystalline zeolites ZSM-5 and TS. © 2017 Science China Press
DOI10.1016/j.scib.2017.06.009
EI入藏号20173003984324
EI主题词Sodium Carbonate
EI分类号641.3 Mass Transfer - 802.2 Chemical Reactions - 802.3 Chemical Operations - 804 Chemical Products Generally - 804.2 Inorganic Compounds - 933.1 Crystalline Solids - 951 Materials Science
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25441
专题中国科学院上海硅酸盐研究所
作者单位State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China
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Zhou, Xiaoxia,Chen, Yu,Ge, Tongguang,et al. Sodium carbonate-assisted synthesis of hierarchically porous single-crystalline nanosized zeolites[J]. Science Bulletin,2017,62(14):1018-1024.
APA Zhou, Xiaoxia,Chen, Yu,Ge, Tongguang,Hua, Zile,Chen, Hangrong,&Shi, Jianlin.(2017).Sodium carbonate-assisted synthesis of hierarchically porous single-crystalline nanosized zeolites.Science Bulletin,62(14),1018-1024.
MLA Zhou, Xiaoxia,et al."Sodium carbonate-assisted synthesis of hierarchically porous single-crystalline nanosized zeolites".Science Bulletin 62.14(2017):1018-1024.
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