Probing the Hofmeister Effect with Ultrafast Core-Hole Spectroscopy

被引：20

作者：

Yin, Zhong ^{[1
,2
]}

Rajkovic, Ivan ^{[1
,3
]}

Kubicek, Katharina ^{[1
,2
]}

Quevedo, Wilson ^{[4
]}

Pietzsch, Annette ^{[4
]}

Wernet, Philippe ^{[4
]}

Foehlisch, Alexander ^{[4
,5
]}

Techert, Simone ^{[1
,2
,6
]}

机构：

[1] Max Planck Inst Biophys Chem, D-37077 Gottingen, Germany

[2] DESY, D-22607 Hamburg, Germany

[3] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

[4] Helmholtz Zentrum Berlin GmbH, Inst Methods & Instrumentat Synchrotron Radiat Re, D-12489 Berlin, Germany

[5] Univ Potsdam, D-14476 Potsdam, Germany

[6] Univ Gottingen, Inst Xray Phys, D-37077 Gottingen, Germany

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2014年 / 118卷 / 31期

关键词：

X-RAY-ABSORPTION; HYDROGEN-BOND NETWORK; LIQUID WATER; MOLECULAR-DYNAMICS; AQUEOUS-SOLUTIONS; EMISSION-SPECTROSCOPY; SALT-SOLUTIONS; IONS; CATIONS; SERIES;

D O I：

10.1021/jp504577a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In the current work, X-ray emission spectra of aqueous solutions of different inorganic salts within the Hofmeister series are presented. The results reflect the direct interaction of the ions with the water molecules and therefore, reveal general properties of the salt-water interactions. Within the experimental precision a significant effect of the ions on the water structure has been observed but no ordering according to the structure maker/structure breaker concept could be mirrored in the results indicating that the Hofmeister effect if existent may be caused by more complex interactions.

引用

页码：9398 / 9403

页数：6

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