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Elsevier, Procedia Engineering, (120), p. 1141-1144, 2015

DOI: 10.1016/j.proeng.2015.08.830

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Optical hydrogen sensing based on hybrid 2D MoO 3 /Au nanoparticles

Journal article published in 2015 by M. Angiola, M. Mya Y. A. Alsaif ORCID, K. Kalantar-Zadeh ORCID, A. Wisitsoraat, W. Wlodarski, A. Martucci ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In this work for the first time, we report the use of molybdenum oxide (MoO3) nanoflakes on gold as active material for plasmonic optical gas sensor. The M0O3 flakes were deposited over a monolayer of gold nanoparticles, chemically attached to a functionalized fused silica substrate. The coupling between MoO3and gold nanoparticles led to reversible optical changes of the localized surface plasmon resonance of gold nanoparticles upon exposure to H2.