Photoelectron spectroscopy of aqueous solutions: streaming potentials of NaX (X = Cl, Br, and I) solutions and electron binding energies of liquid water and X

The streaming potentials of liquid beams of aqueous NaCl, NaBr, and NaI solutions are measured using soft X-ray, He(I), and laser multiphoton ionization photoelectron spectroscopy. Gaseous molecules are ionized in the vicinity of liquid beams and the photoelectron energy shifts are measured as a fun...

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Bibliographic Details
Published in:The Journal of chemical physics 2014-05, Vol.140 (17), p.174506-174506
Main Authors: Kurahashi, Naoya, Karashima, Shutaro, Tang, Ying, Horio, Takuya, Abulimiti, Bumaliya, Suzuki, Yoshi-Ichi, Ogi, Yoshihiro, Oura, Masaki, Suzuki, Toshinori
Format: Article
Language:English
Subjects:
AQUEOUS SOLUTIONS
BINDING ENERGY
ELECTROLYTES
ELECTRONS
Energy measurement
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
Ionization
Ions
LIQUIDS
PHOTOELECTRON SPECTROSCOPY
PHOTOIONIZATION
Physics
Polarity
SODIUM BROMIDES
Sodium chloride
SODIUM CHLORIDES
SODIUM IODIDES
SOFT X RADIATION
Soft x rays
Spectrum analysis
WATER
X ray spectra
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Summary:The streaming potentials of liquid beams of aqueous NaCl, NaBr, and NaI solutions are measured using soft X-ray, He(I), and laser multiphoton ionization photoelectron spectroscopy. Gaseous molecules are ionized in the vicinity of liquid beams and the photoelectron energy shifts are measured as a function of the distance between the ionization point and the liquid beam. The streaming potentials change their polarity with concentration of electrolytes, from which the singular points of concentration eliminating the streaming potentials are determined. The streaming currents measured in air also vanish at these concentrations. The electron binding energies of liquid water and I(-), Br(-), and Cl(-) anions are revisited and determined more accurately than in previous studies.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.4871877