Quality Evaluation of Polarization-Modulation Infrared Reflection—Absorption Spectra of a Langmuir Monolayer on Water Dependent on Angle of Incidence and Molecular Orientation-Reference-Cited by-同舟云学术

Quality Evaluation of Polarization-Modulation Infrared Reflection—Absorption Spectra of a Langmuir Monolayer on Water Dependent on Angle of Incidence and Molecular Orientation

Published:2010-12 Issue:12 Volume:64 Page:1374-1378
ISSN:0003-7028
Container-title:Applied Spectroscopy
language:en
Short-container-title:Appl Spectrosc

Author:

Itoh Yuki¹,Muro Maiko¹,Hasegawa Takeshi¹

Affiliation:

1. Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan

Abstract

Quality analysis of polarization-modulation infrared reflection–absorption spectrometry (PM-IRRAS) for measurements of a Langmuir (L) monolayer film on water is presented. The spectral quality represented by the signal-to-noise ratio is evaluated by taking into account both the band intensity and the electrical signal throughput led out from the Fourier transform infrared (FT-IR) spectrometer. The product of the two parameters, which is named the quality evaluation function, theoretically reveals the optimal angle of incidence for the L film measurements. In addition, the PM-IRRAS-specific surface selection rule with respect to the spectral quality is also presented.

Publisher

SAGE Publications

Subject

Spectroscopy,Instrumentation

Link

http://journals.sagepub.com/doi/pdf/10.1366/000370210793561646

Reference27 articles.

1. Chapter 10 Infrared Reflection Absorption Spectroscopy of Monolayers at the Air–Water Interface

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