Vibrational Spectroscopy of Aqueous Sodium Halide Solutions and Air-Liquid Interfaces: Observation of Increased Interfacial Depth

作者: Dingfang Liu , Gang Ma , Lori M. Levering , Heather C. Allen

DOI: 10.1021/JP036169R

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摘要: Air−aqueous sodium halide solution interfaces are examined using vibrational sum frequency generation spectroscopy. Raman and ATR-FTIR (attenuated total reflection Fourier transform infrared) spectroscopies also used to compare the effects of anions on water structure bulk that interface. The interfacial structures for fluoride chloride aqueous solutions found be similar air−water interface, whereas bromide iodide cause significant distortion hydrogen-bonding network. Analysis spectra indicates higher concentrations in region with an increase depth.

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