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Alkylammonium Catio...
Alkylammonium Cation Intercalation into Ti3C2 (MXene): Effects on Properties and Ion-Exchange Capacity Estimation
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- Ghidiu, Michael (author)
- Drexel University, PA 19104 USA
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- Kota, Sankalp (author)
- Drexel University, PA 19104 USA
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- Halim, Joseph (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Sherwood, Alexander W. (author)
- Drexel University, PA 19104 USA
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- Nedfors, Nils (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Rosén, Johanna (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Mochalin, Vadym N. (author)
- Missouri University of Science and Technology, MO 65409 USA; Missouri University of Science and Technology, MO 65409 USA
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- Barsoum, Michel W. (author)
- Drexel University, PA 19104 USA
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(creator_code:org_t)
- 2017-01-27
- 2017
- English.
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In: Chemistry of Materials. - : AMER CHEMICAL SOC. - 0897-4756 .- 1520-5002. ; 29:3, s. 1099-1106
- 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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- Ti3C2Tx MXene intercalated with Li+ ions was produced and ion-exchanged with a series of trimethylalkylammonium (AA) cations of increasing alkyl chain length. A discontinuous expansion in the MXene layer spacing was observed, attributed to complete packing of the interlayer space at a critical chain length. The latter was used to estimate the number of cations per Ti3C2 formula unit, which was found to be in good agreement with a similar quantification obtained from X-ray photoelectron spectroscopy, energy-dispersive spectroscopy, and elemental analysis. The system was also modeled using density functional theory and molecular dynamics, arriving at cation concentrations in the same range. The intercalated AA cations led to tunable increases in resistivity of the normally highly electrically conductive MXene and were investigated as interlayer pillars in electrochemical capacitors.
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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