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Covalent Organic Fr...
Covalent Organic Framework (COF-1) under High Pressure
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- Sun, Jinhua, 1987 (author)
- Umeå universitet,Institutionen för fysik,Department of Industrial and Materials Science, Chalmers Tekniska Högskola 41296 Göteborg (Sweden),Umeå University,Chalmers tekniska högskola,Chalmers University of Technology
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- Iakunkov, Artem (author)
- Umeå universitet,Institutionen för fysik,Umeå University
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- Baburin, Igor A. (author)
- Technische Universität Dresden
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Joseph, Boby (author)
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- Palermo, Vincenzo, 1972 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Talyzin, Aleksandr V., 1969- (author)
- Umeå universitet,Institutionen för fysik,Umeå University
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(creator_code:org_t)
- 2019-12-02
- 2020
- English.
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In: Angewandte Chemie - International Edition. - : Wiley. - 1433-7851 .- 1521-3773. ; 59:3, s. 1087-1092
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Abstract
Subject headings
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- COF-1 has a structure with rigid 2D layers composed of benzene and B3O3 rings and weak van der Waals bonding between the layers. The as-synthesized COF-1 structure contains pores occupied by solvent molecules. A high surface area empty-pore structure is obtained after vacuum annealing. High-pressure XRD and Raman experiments with mesitylene-filled (COF-1-M) and empty-pore COF-1 demonstrate partial amorphization and collapse of the framework structure above 12–15 GPa. The ambient pressure structure of COF-1-M can be reversibly recovered after compression up to 10–15 GPa. Remarkable stability of highly porous COF-1 structure at pressures at least up to 10 GPa is found even for the empty-pore structure. The bulk modulus of the COF-1 structure (11.2(5) GPa) and linear incompressibilities (k[100]=111(5) GPa, k[001]=15.0(5) GPa) were evaluated from the analysis of XRD data and cross-checked against first-principles calculations. © 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Biologi -- Strukturbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Structural Biology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- high pressure
- XRD
- DFT calculations
- Raman spectroscopy
- 2D materials
Publication and Content Type
- art (subject category)
- ref (subject category)
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