Scientific Results

Spectral optical constants of ethanol and isopropanol from ultraviolet to far infrared

Year: 2016

Authors: Sani E., Dell’Oro A.

Autors Affiliation: INO-CNR, Istituto Nazionale di Ottica, largo E. Fermi, 6, 50125 Firenze (Italy); INAF Osservatorio Astrofisico di Arcetri, largo E. Fermi, 5, 50125 Firenze (Italy)

Abstract: Ethanol and isopropanol are fluids of common use in different branches of materials science. In particular, in the ever growing field of nanoscience, they are dispersing media for nanoparticle suspensions. The knowledge of optical constants of these fluids is required for the characterization of optical properties of nanoparticles, besides providing insights into fundamental properties of fluids themselves. In this work, we calculated the real refractive index n of ethanol and isopropanol applying the Kramers-Kronig theory to the experimentally obtained k spectrum over an extremely wide spectral range, from 181 to similar to 54000 cm(-1). (C) 2016 Elsevier B.V. All rights reserved.

Journal/Review: OPTICAL MATERIALS

Volume: 60      Pages from: 137  to: 141

More Information: Authors gratefully acknowledge Mr. Massimo D\’Uva of INO mechanical workshop and Mr. Mauro Pucci of INO optical workshop for technical assistance. A part of this activity has been carried out within the framework of the SOLE-2 project funded by the Italian bank foundation Ente Cassa di Risparmio di Firenze (pratica n. 2014.0711).
KeyWords: Characterization; Ethanol; Nanofluidics; Nanoparticles; Optical constants; Refractive index, Dispersing media; Fundamental properties; Iso-propanols; Kramers-Kronig; Liquid Phase; Nanofluids; Nanoparticle suspension; Wide spectral range, Optical properties
DOI: 10.1016/j.optmat.2016.06.041

Citations: 38
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