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The interaction of cations and liquid water studied by resonant soft-X-ray absorption and emission spectroscopy
KTH, School of Biotechnology (BIO), Theoretical Chemistry (closed 20110512).
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2005 (English)In: Journal of Electron Spectroscopy and Related Phenomena, ISSN 0368-2048, Vol. 144, 287-290 p.Article in journal (Refereed) Published
Abstract [en]

We report the soft-X-ray absorption and emission studies of NaCl, MgCl2, and AlCl3 in water solutions. The influences of cations on the water molecular structure can be seen as the absorption threshold edge shifted to high energy in the X-ray absorption spectra; the mixing of molecular orbital in 3a(1) symmetry is reinforced as the intensity of 3a(1) is further reduced; and the 1b(1)-emission peak shows the broadening and shift differently for Na+, Mg2+, and Al3+ water solutions, which indicates that the charge difference of the cations may not be the only playing role being responsible to the interactions between the cations and water molecules.

Place, publisher, year, edition, pages
2005. Vol. 144, 287-290 p.
Keyword [en]
X-ray absorption and emission spectroscopy, ion solvation, liquid water
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-14806DOI: 10.1016/j.elspec.2005.01.239ISI: 000229657100069ScopusID: 2-s2.0-17444417120OAI: diva2:332847
QC 20100525 QC 20111011Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-10-11Bibliographically approved

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Kashtanov, StepanHermansson, KerstiLuo, Yi
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