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Issue 23, 2019
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Hydrogen peroxide detection with a silver nanoparticle grating chip fabricated by plasmonic plating

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Abstract

An optical detection of hydrogen peroxide (H2O2) is proposed, using grating structures of silver nanoparticles (AgNPs). Periodic line structures of AgNPs are deposited on a gold nanoparticle (AuNP)-decorated glass plate using an interference exposure with a green laser beam, based on the plasmonic plating method. This AgNP grating chip diffracts incident light, and the diffraction efficiency is dependent on the amount of AgNPs. By applying a drop of H2O2 solution onto the chip, the diffraction intensity declines due to the autocatalytic decomposition of AgNPs. A portable measurement system of the diffraction intensity change is constructed, and the H2O2 detection in the concentration range 6.7–668 μmol L−1 is performed in 2 min simply by dropping the H2O2 solution onto the substrate.

Graphical abstract: Hydrogen peroxide detection with a silver nanoparticle grating chip fabricated by plasmonic plating

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Supplementary files

Article information


Submitted
20 Mar 2019
Accepted
17 May 2019
First published
21 May 2019

Anal. Methods, 2019,11, 2991-2995
Article type
Paper

Hydrogen peroxide detection with a silver nanoparticle grating chip fabricated by plasmonic plating

H. Yoshikawa, K. Hieda, K. Ikeda and E. Tamiya, Anal. Methods, 2019, 11, 2991
DOI: 10.1039/C9AY00576E

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