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ECNU-36: A Quasi-Pure Polymorph C(H)Beta Silicate Composed of Hierarchical Nanosheet Crystals for Effective VOCs Adsorption | |
2020-09-21 | |
发表期刊 | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (IF:16.1[JCR-2023],16.2[5-Year]) |
ISSN | 1433-7851 |
EISSN | 1521-3773 |
发表状态 | 已发表 |
DOI | 10.1002/anie.202008327 |
摘要 | A quasi-pure C(H)polymorph of microporous zeolite beta, named ECNU-36, was obtained as a highly crystalline silicate using 1,5-bis(tetramethylimidazolium) hydroxide as organic structure-directing agent (OSDA) in fluoride media. An appropriate concentration of free fluoride in the synthetic mother liquor was crucial to purify the C-H-phase. The framework structure of ECNU-36 consists of polymorph C-H(>95 %) and polymorph B, elucidated by a combination of PXRD data, DIFFaX simulation, EDT, and HRTEM techniques. For the first time, the framework structure of beta C(H)polymorph was directly confirmed and solved using electron diffraction data. The pure-silica ECNU-36 showed an unusual crystal morphology, composed of stacked nanosheets, with typical 17 nm thickness and exposed {100} facets, which exhibited attractive adsorption performance for hydrocarbons and aromatics. |
关键词 | adsorption all-silica high hydrophobicity polymorph C-H zeolite beta |
收录类别 | SCI ; SCIE ; EI |
资助项目 | NSFC of China[21872052][21533002][21972043][21972044] ; China Ministry of Science and Technology[2016YFA0202804] ; Young Elite Scientist Sponsorship Program by CAST[2017QNRC001] ; National Key Research and Development Program of China[21835002] ; ChEM, SPST of Shanghai Tech University[EM02161943] ; Shanghai Synchrotron Radiation Facility[j13sr0021] |
WOS研究方向 | Chemistry |
WOS类目 | Chemistry, Multidisciplinary |
WOS记录号 | WOS:000552789700001 |
出版者 | WILEY-V C H VERLAG GMBH |
WOS关键词 | VOLATILE ORGANIC-COMPOUNDS ; ZEOLITE-BETA ; CRYSTALLIZATION ; CATALYST ; METHANOL ; NMR ; EQUILIBRIA ; CONVERSION ; MEMBRANES ; LOCATION |
原始文献类型 | Article |
引用统计 | 正在获取...
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文献类型 | 期刊论文 |
条目标识符 | https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/122681 |
专题 | 物质科学与技术学院_硕士生 物质科学与技术学院_PI研究组_马延航组 |
通讯作者 | Jiang, Jingang; Ma, Yanhang; Wu, Peng |
作者单位 | 1.East China Normal Univ, Sch Chem & Mol Engn, Shanghai Key Lab Green Chem & Chem Proc, North Zhongshan Rd 3663, Shanghai 200062, Peoples R China 2.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China |
通讯作者单位 | 物质科学与技术学院 |
推荐引用方式 GB/T 7714 | Jiao, Meichen,Huang, Ju,Xu, Hao,et al. ECNU-36: A Quasi-Pure Polymorph C(H)Beta Silicate Composed of Hierarchical Nanosheet Crystals for Effective VOCs Adsorption[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2020. |
APA | Jiao, Meichen.,Huang, Ju.,Xu, Hao.,Jiang, Jingang.,Guan, Yejun.,...&Wu, Peng.(2020).ECNU-36: A Quasi-Pure Polymorph C(H)Beta Silicate Composed of Hierarchical Nanosheet Crystals for Effective VOCs Adsorption.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION. |
MLA | Jiao, Meichen,et al."ECNU-36: A Quasi-Pure Polymorph C(H)Beta Silicate Composed of Hierarchical Nanosheet Crystals for Effective VOCs Adsorption".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020). |
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