Abstract

The near-infrared (NIR) (12,000-4000 cm⁻¹) region of the electromagnetic spectrum, between the mid-infrared and visible, has often been viewed by spectroscopists to be of limited utility. This is unfortunate, and recently the use of the NIR has increased greatly, primarily for the quantitative analysis of food and agricultural products. However, many other areas of application of NIR spectroscopy remain unexamined. In this paper a novel use of NIR in the area of surface chemistry is demonstrated. Specifically, it is shown that NIR/Internal Reflection Spectroscopy (IRS) can be used to quantify surfactant adsorption reactions <i>in situ.</i>

Infrared characterization of surfaces and coatings by internal-reflection spectroscopy

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Characterizing dynamic cerebral vascular reactivity using a hybrid system combining time-resolved near-infrared and diffuse correlation spectroscopy

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Appl. Opt. 51(15) 2842-2846 (2012)

Total internal reflection ellipsometry: ultrahigh sensitivity for protein adsorption on metal surfaces

Michal Poksinski and Hans Arwin
Opt. Lett. 32(10) 1308-1310 (2007)