Structure and Dynamics of Interfacial Water Studied by Heterodyne-Detected Vibrational Sum-Frequency Generation

DOI Web Site 被引用文献91件 参考文献110件
  • Satoshi Nihonyanagi
    Molecular Spectroscopy Laboratory, RIKEN, Wako, Saitama 351-0198, Japan;
  • Jahur A. Mondal
    Molecular Spectroscopy Laboratory, RIKEN, Wako, Saitama 351-0198, Japan;
  • Shoichi Yamaguchi
    Molecular Spectroscopy Laboratory, RIKEN, Wako, Saitama 351-0198, Japan;
  • Tahei Tahara
    Molecular Spectroscopy Laboratory, RIKEN, Wako, Saitama 351-0198, Japan;

書誌事項

公開日
2013-04-01
資源種別
journal article
DOI
  • 10.1146/annurev-physchem-040412-110138
公開者
Annual Reviews

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説明

<jats:p> Vibrational sum-frequency generation (VSFG) spectroscopy is a powerful tool to study interfaces. Recently, multiplex heterodyne-detected VSFG (HD-VSFG) has been developed, which enables the direct measurement of complex second-order nonlinear susceptibility [χ<jats:sup>(2)</jats:sup>]. HD-VSFG has remarkable advantages over conventional VSFG. For example, the imaginary part of χ<jats:sup>(2)</jats:sup> [Imχ<jats:sup>(2)</jats:sup>] obtained with this interferometric technique is the direct counterpart to the infrared [Imχ<jats:sup>(1)</jats:sup>] and Raman [Imχ<jats:sup>(3)</jats:sup>] spectra in the bulk, and it is free from the spectral deformation inevitable in conventional VSFG [|χ<jats:sup>(2)</jats:sup>|<jats:sup>2</jats:sup>] spectra. The Imχ<jats:sup>(2)</jats:sup> signal is obtained with a sign that contains unambiguous information about the up/down orientation of interfacial molecules. Furthermore, HD-VSFG can be straightforwardly extended to time-resolved measurements when combined with photoexcitation. In this review, we describe the present status of experiments and applications of multiplex HD-VSFG spectroscopy, in particular with regard to the orientation and structure of interfacial water at charged, neutral, and biorelevant water interfaces. </jats:p>

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