2017
DOI: 10.1021/acs.accounts.7b00366
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Application of X-ray Diffraction and Electron Crystallography for Solving Complex Structure Problems

Abstract: All crystalline materials in nature, whether inorganic, organic, or biological, macroscopic or microscopic, have their own chemical and physical properties, which strongly depend on their atomic structures. Therefore, structure determination is extremely important in chemistry, physics, materials science, etc. In the past centuries, many techniques have been developed for structure determination. The most widely used one is X-ray crystallography (single-crystal X-ray diffraction (SCXRD) and powder X-ray diffra… Show more

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Cited by 87 publications
(40 citation statements)
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“…1 ). Our results clearly show that 3D-TPB-COF-HQ has high crystallinity and large surface area, and by using continuous rotation electron diffraction (cRED) technique 58 , 59 , 3D-TPB-COF-HQ is determined to adopt a five-fold interpenetrated pts topology with a high-resolution cRED database of ~1.0 Å. Interestingly, 3D-TPB-COF-HQ can be oxidized into 3D-TPB-COF-Q and then reduced back to the initial state through redox reaction, with retaining the crystallinity and porosity. More importantly, due to the modification of pore environment during the transformation process, 3D-TPB-COF-Q exhibits a much higher CO 2 /N 2 selectivity compared to 3D-TPB-COF-HQ, indicating a remarkable stimuli-responsive separation effect.…”
Section: Introductionmentioning
confidence: 77%
“…1 ). Our results clearly show that 3D-TPB-COF-HQ has high crystallinity and large surface area, and by using continuous rotation electron diffraction (cRED) technique 58 , 59 , 3D-TPB-COF-HQ is determined to adopt a five-fold interpenetrated pts topology with a high-resolution cRED database of ~1.0 Å. Interestingly, 3D-TPB-COF-HQ can be oxidized into 3D-TPB-COF-Q and then reduced back to the initial state through redox reaction, with retaining the crystallinity and porosity. More importantly, due to the modification of pore environment during the transformation process, 3D-TPB-COF-Q exhibits a much higher CO 2 /N 2 selectivity compared to 3D-TPB-COF-HQ, indicating a remarkable stimuli-responsive separation effect.…”
Section: Introductionmentioning
confidence: 77%
“…Fortunately, nanocrystals and microcrystals can be treated as single crystals in electron microscopy. The recently developed 3D ED technique, continuous rotation ED 24 27 , can use single nanocrystals to obtain single-crystal diffraction data that can be used for structure determination by utilizing the software developed for SCXRD (ShelxT 28 , Superflip 29 , 30 ).…”
Section: Introductionmentioning
confidence: 99%
“…Assim, todos os materiais cristalinos na natureza, se inorgânicos, orgânicos ou biológicos, macroscópicos ou microscópicos, tem suas próprias propriedades químicas e físicas, com forte dependência em sua estrutura atômica. 8 Então, a cristalografia é de suma importância para descrever as funcionalidades dos materiais e seus componentes químicos.…”
Section: Apresentaçãounclassified