Issue 3, 2021

Plasmonic foam platforms for air quality monitoring

Abstract

Plasmonic reversible gas sensors are of paramount importance for the monitoring of indoor environments. Herein, we design and engineer a plasmonic foam, with a high surface area, confined inside a capillary glass tube for the live monitoring of carbon monoxide (CO) in closed environments using surface-enhanced resonance Raman scattering. The illumination of the sensor with light during the flow of air allows the live monitoring of the concentration of atmospheric CO through surface-enhanced resonance Raman scattering. The sensor was prepared with a detection range from 10 to 40 ppm, due to health needs. The results show a sensitive, selective, reversible and robust sensor applicable to the monitoring of CO levels but also to other gas species upon appropriate functionalization.

Graphical abstract: Plasmonic foam platforms for air quality monitoring

Article information

Article type
Paper
Submitted
27 Okt. 2020
Accepted
16 Dec. 2020
First published
17 Dec. 2020

Nanoscale, 2021,13, 1738-1744

Plasmonic foam platforms for air quality monitoring

I. B. Becerril-Castro, F. Munoz-Munoz, A. B. Castro-Ceseña, A. L. González, R. A. Alvarez-Puebla and J. M. Romo-Herrera, Nanoscale, 2021, 13, 1738 DOI: 10.1039/D0NR07686D

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