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Gas sorption proper...
Gas sorption properties and kinetics of porous bismuth-based metal-organic frameworks and the selective CO2 and SF6 sorption on a new bismuth trimesate-based structure UU-200
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- Åhlén, Michelle (author)
- Uppsala universitet,Nanoteknologi och funktionella material
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- Kapaca, Elina (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, SE, 106 91, Sweden
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- Hedbom, Daniel, 1983- (author)
- Uppsala universitet,Nanoteknologi och funktionella material
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- Willhammar, Tom (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, SE, 106 91, Sweden
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- Strömme, Maria, 1970- (author)
- Uppsala universitet,Nanoteknologi och funktionella material
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- Cheung, Ocean (author)
- Uppsala universitet,Nanoteknologi och funktionella material
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(creator_code:org_t)
- Elsevier, 2022
- 2022
- English.
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In: Microporous and Mesoporous Materials. - : Elsevier. - 1387-1811 .- 1873-3093. ; 329
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Abstract
Subject headings
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- Bismuth-based metal-organic frameworks (Bi-MOFs) such as bismuth subgallate are important for applications ranging from medicine to gas separation and catalysis. Due to the porous nature of such Bi-MOFs, it would be valuable to understand their gas sorption and separation properties. Here, we present the gas sorption properties of three microporous Bi-MOFs, namely, CAU-17, CAU-33, and SU-101, along with a new trimesate-based structure, UU-200. We perform a detailed analysis of the sorption properties and kinetics of these Bi-MOFs. UU-200 shows good uptake capacities for CO2 (45.81 cm3 g-1 STP) and SF6 (24.69 cm3 g-1 STP) with CO2/N2 and SF6/N2 selectivities over 35 and 44, respectively at 293 K, 100 kPa. The structure of UU-200 is investigated using continuous rotation electron diffraction, and is found to be constructed with a 3D porous framework containing pores with diameters of 3.4-3.5 Å. Bi-MOFs as a group of relatively under-investigated type of MOFs, have interesting sorption properties that render them promising for greenhouse gas adsorbents with good gas uptake capacities and high selectivities.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- bismuth
- metal-organic frameworks
- porosity
- greenhouse gas capture
- adsorption kinetics
- Teknisk fysik med inriktning mot nanoteknologi och funktionella material
- Engineering Science with specialization in Nanotechnology and Functional Materials
Publication and Content Type
- ref (subject category)
- art (subject category)
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