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Vertically Oriented Propylene Carbonate Molecules and Tetraethyl Ammonium Ions in Carbon Slit Pores

Fukano, Masafumi and Fujimori, Toshihiko and Segalini, Julie and Iwama, Etsuro and Taberna, Pierre-Louis and Iiyama, Taku and Ohba, Tomonori and Kanoh, Hirofumi and Gogotsi, Yury and Simon, Patrice and Kaneko, Katsumi Vertically Oriented Propylene Carbonate Molecules and Tetraethyl Ammonium Ions in Carbon Slit Pores. (2013) Journal of Physical Chemistry C, 117 (11). 5752-5757. ISSN 1932-7447

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Official URL: http://dx.doi.org/10.1021/jp311896q


We report the vertical alignment of propylene carbonate (PC) molecules interacting with Et4N+ and BF4– which are confined in extremely narrow slit pores (w ∼ 0.7 nm) of carbide-derived carbon and pitch-based activated carbon fiber. On the basis of X-ray diffraction (XRD), electron radial distribution function analysis reveals that the nearest PC–PC distance is 0.05–0.06 nm shorter than that in the bulk solution, indicating dense packing of PC molecules in the pores. This confinement effect results from the vertically aligned PC molecules, which are indicated by the reverse Monte Carlo analysis. The ensemble structure of PC molecules in the subnanometer carbon pores will provide better understanding the supercapacitor function.

Item Type:Article
Additional Information:Thanks to the American Chemical Society. The definitive version is available at http://pubs.acs.org The original PDF of the article can be found at Journal of Physical Chemistry C website : http://pubs.acs.org/doi/abs/10.1021/jp311896q
HAL Id:hal-01160106
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Other partners > Drexel University (USA)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Chiba University (JAPAN)
Other partners > Réseau de stockage électrochimique de l’énergie - Energie RS2E (FRANCE)
Other partners > Shinshu University (JAPAN)
Laboratory name:
European Research Council
Deposited On:04 Jun 2015 12:55

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