Controlled spectral translucence of nanoporous SiO 2 /Al 2 O 3  xerogel filled with ammonia and acetone

T. M. Petrova; Yu. N. Ponomarev; A. A. Solodov; A. M. Solodov; E. A. Glazkova

doi:10.1134/S0021364017090132

Controlled spectral translucence of nanoporous SiO₂/Al₂O₃ xerogel filled with ammonia and acetone

Authors: Petrova T.M.¹, Ponomarev Y.N.¹^,2, Solodov A.A.¹^,2, Solodov A.M.¹, Glazkova E.A.³
Affiliations:
1. Zuev Institute of Atmospheric Optics
2. National Research Tomsk State University
3. Institute of Strength Physics and Materials Science
Issue: Vol 105, No 9 (2017)
Pages: 582-585
Section: Optics and Laser Physics
URL: https://journals.rcsi.science/0021-3640/article/view/160286
DOI: https://doi.org/10.1134/S0021364017090132
ID: 160286

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Abstract

The near infrared transmission spectra of nanoporous SiO₂/Al₂O₃ xerogel have been recorded for the first time in the process of filling of nanopores with ammonia and acetone molecules. It has been found that the physical adsorption of these gases results in a reversible increase in the translucence of xerogel samples at the frequencies of vibrational bands of surface OH groups.