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Characterization of...
Characterization of compositional modifications in metal-organic frameworks using carbon and alpha particle microbeams
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- Paneta, Valentina (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Fluch, U. (author)
- Uppsala universitet,Molekylär biomimetik
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- Petersson, Per (author)
- KTH,Fusionsplasmafysik,KTH Royal Inst Technol, Sch Elect Engn, Dept Fus Plasma Phys, Stockholm, Sweden.
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- Ott, Sascha (author)
- Uppsala universitet,Molekylär biomimetik
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- Primetzhofer, Daniel (author)
- Uppsala universitet,Tillämpad kärnfysik,Phys Appl Nucl Phys, Uppsala, Sweden.
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(creator_code:org_t)
- Elsevier, 2017
- 2017
- English.
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In: Nuclear Instruments and Methods in Physics Research Section B. - : Elsevier. - 0168-583X .- 1872-9584. ; 404, s. 198-201
- 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
Subject headings
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- Zirconium-oxide based metal-organic frameworks (MOFs) were grown on p-type Si wafers. A modified linker molecule containing iodine was introduced by post synthetic exchange (PSE). Samples have been studied using Rutherford Backscattering Spectrometry (RBS) and Particle Induced X-ray Emission (PIXE) techniques, employing the 5 MV 15SDH-2 Pelletron Tandem accelerator at the Angstrom laboratory. The degree of post synthetic uptake of the iodine-containing linker has been investigated with both a broad beam and a focused beam of carbon and alpha particles targeting different kind of MOF crystals which were of similar to 1-10 mu m in size, depending on the linker used. Iodine concentrations in MOF crystallites were also measured by Nuclear Magnetic Resonance Spectroscopy (NMR) and are compared to the RBS results. In parallel to the ion beam studies, samples were investigated by Scanning Electron Microscopy (SEM) to quantify possible crystallite clustering, develop optimum sample preparation routines and to characterize the potential ion beam induced sample damage and its dependence on different parameters. Based on these results the reliability and accuracy of ion beam data is assessed.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Keyword
- Metal-organic frameworks
- Rutherford Backscattering Spectrometry
Publication and Content Type
- ref (subject category)
- art (subject category)
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