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Isotherms of indivi...
Isotherms of individual pores by gas adsorption crystallography
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Cho, Hae Sung (author)
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Yang, Jingjing (author)
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Gong, Xuan (author)
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Zhang, Yue-Biao (author)
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Momma, Koichi (author)
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Weckhuysen, Bert M. (author)
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Deng, Hexiang (author)
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Kang, Jeung Ku (author)
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Yaghi, Omar M. (author)
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- Terasaki, Osamu (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),KAIST, Republic of Korea; ShanghaiTech University, China
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(creator_code:org_t)
- 2019-05-13
- 2019
- English.
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In: Nature Chemistry. - : Springer Science and Business Media LLC. - 1755-4330 .- 1755-4349. ; 11:6, s. 562-570
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Accurate measurements and assessments of gas adsorption isotherms are important to characterize porous materials and develop their applications. Although these isotherms provide knowledge of the overall gas uptake within a material, they do not directly give critical information concerning the adsorption behaviour of adsorbates in each individual pore, especially in porous materials in which multiple types of pore are present. Here we show how gas adsorption isotherms can be accurately decomposed into multiple sub-isotherms that correspond to each type of pore within a material. Specifically, two metal-organic frameworks, PCN-224 and ZIF-412, which contain two and three different types of pore, respectively, were used to generate isotherms of individual pores by combining gas adsorption measurements with in situ X-ray diffraction. This isotherm decomposition approach gives access to information about the gas uptake capacity, surface area and accessible pore volume of each individual pore, as well as the impact of pore geometry on the uptake and distribution of different adsorbates within the pores.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Cho, Hae Sung
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Yang, Jingjing
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Gong, Xuan
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Zhang, Yue-Biao
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Momma, Koichi
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Weckhuysen, Bert ...
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show more...
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Deng, Hexiang
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Kang, Jeung Ku
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Yaghi, Omar M.
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Terasaki, Osamu
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
- Articles in the publication
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Nature Chemistry
- By the university
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Stockholm University