Chemically deposited palladium nanoparticles on graphene for hydrogen sensor applications

Xiaohui Tang, Pierre Antoine Haddad, Nathalie Mager, Xin Geng, Nicolas Reckinger, Sophie Hermans, Marc Debliquy, Jean Pierre Raskin

Research output: Contribution to journalArticle

Abstract

Graphene decorated by palladium (Pd) nanoparticles has been investigated for hydrogen sensor applications. The density of Pd nanoparticles is critical for the sensor performance. We develop a new chemical method to deposit high-density, small-size and uniformly-distributed Pd nanoparticles on graphene. With this method, Pd precursors are connected to the graphene by π-π bonds without introducing additional defects in the hexagonal carbon lattice. Our method is simple, cheap, and compatible with complementary metal-oxide semiconductor (CMOS) technology. This method is used to fabricate hydrogen sensors on 3-inch silicon wafers. The sensors show high performance at room temperature. Particularly, the sensors present a shorter recovery time under light illumination. The sensing mechanism is explained and discussed. The proposed deposition method facilitates mass fabrication of the graphene sensors and allows integration with CMOS circuits for practical applications.

Original languageEnglish
Article number3653
JournalScientific Reports
Volume9
Issue number1
DOIs
Publication statusPublished - 1 Dec 2019

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Palladium
Nanoparticles
Hydrogen
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Oxides
Metals
Silicon
Lighting
Carbon
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Temperature

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Tang, Xiaohui ; Haddad, Pierre Antoine ; Mager, Nathalie ; Geng, Xin ; Reckinger, Nicolas ; Hermans, Sophie ; Debliquy, Marc ; Raskin, Jean Pierre. / Chemically deposited palladium nanoparticles on graphene for hydrogen sensor applications. In: Scientific Reports. 2019 ; Vol. 9, No. 1.
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Tang, X, Haddad, PA, Mager, N, Geng, X, Reckinger, N, Hermans, S, Debliquy, M & Raskin, JP 2019, 'Chemically deposited palladium nanoparticles on graphene for hydrogen sensor applications', Scientific Reports, vol. 9, no. 1, 3653. https://doi.org/10.1038/s41598-019-40257-7

Chemically deposited palladium nanoparticles on graphene for hydrogen sensor applications. / Tang, Xiaohui; Haddad, Pierre Antoine; Mager, Nathalie; Geng, Xin; Reckinger, Nicolas; Hermans, Sophie; Debliquy, Marc; Raskin, Jean Pierre.

In: Scientific Reports, Vol. 9, No. 1, 3653, 01.12.2019.

Research output: Contribution to journalArticle

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