Electron crystallography for determining the handedness of a chiral zeolite nanocrystal
2017-07
发表期刊NATURE MATERIALS (IF:37.2[JCR-2023],44.0[5-Year])
ISSN1476-1122
卷号16期号:7页码:755-+
发表状态已发表
DOI10.1038/NMAT4890
摘要Chiral crystals can be exploited for applications in enantioselective separation and catalysis. However, the study of chirality at the atomic level in a sub-micrometre-sized crystal is difficult due to the lack of adequate characterization methods. Herein, we present two efficient and practical methods of characterization that are based on electron crystallography. These methods are successfully applied to reveal the handedness of a chiral, zeolite nanocrystal. The handedness is identified through either a comparison of two high-resolution transmission electron microscope images, taken from the same nanocrystal but along different zone axes by tilting it around its screw axis, or the intensity asymmetry of a Bijvoet pair of reflections in a single precession electron-diffraction pattern. These two approaches provide new ways to determine the handedness of small, chiral crystals.
收录类别SCI ; EI
语种英语
资助项目Vetenskapsrådet[]
WOS研究方向Chemistry ; Materials Science ; Physics
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000404117800018
出版者NATURE PUBLISHING GROUP
EI入藏号20171803628209
EI主题词Crystallography ; Nanocrystals ; Zeolites
WOS关键词SPACE-GROUPS ; DIFFRACTION METHOD ; MOLECULAR-SIEVE ; MICROSCOPY ; RESOLUTION ; SILICA ; RECONSTRUCTION ; IDENTIFICATION ; TOMOGRAPHY ; HELICITY
原始文献类型Article
通讯作者Oleynikov, Peter ; Terasaki, Osamu
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文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/2809
专题物质科学与技术学院_公共科研平台_物质科学电镜平台
物质科学与技术学院_PI研究组_马延航组
物质科学与技术学院_PI研究组_Osamu Terasaki组
通讯作者Oleynikov, Peter; Terasaki, Osamu
作者单位
1.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
2.Stockholm Univ, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden
第一作者单位物质科学与技术学院
通讯作者单位物质科学与技术学院
第一作者的第一单位物质科学与技术学院
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GB/T 7714
Ma, Yanhang,Oleynikov, Peter,Terasaki, Osamu. Electron crystallography for determining the handedness of a chiral zeolite nanocrystal[J]. NATURE MATERIALS,2017,16(7):755-+.
APA Ma, Yanhang,Oleynikov, Peter,&Terasaki, Osamu.(2017).Electron crystallography for determining the handedness of a chiral zeolite nanocrystal.NATURE MATERIALS,16(7),755-+.
MLA Ma, Yanhang,et al."Electron crystallography for determining the handedness of a chiral zeolite nanocrystal".NATURE MATERIALS 16.7(2017):755-+.
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