Atomic layer deposition of Pt nanoparticles onto Co/MoN nanoarrays for improved electrochemical detection of HO

The design and preparation of advanced nanocatalysts for the sensitive electrochemical detection of H 2 O 2 is of great significance. Herein, a facile Pt@Co/MoN sensing platform was fabricated by depositing Pt nanoparticles onto Co/MoN nanoarrays using atomic layer deposition (ALD) technology. Benef...

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Published in:Chemical communications (Cambridge, England) England), 2023-01, Vol.59 (4), p.474-477
Main Authors: Liu, Jinzheng, Li, Xue, Cheng, Lidi, Sun, Junwei, Xia, Xiaomin, Zhang, Xiaoyan, Song, Yanyan, Sun, Deshuai, Sun, Jian, Zhang, Lixue
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Summary:The design and preparation of advanced nanocatalysts for the sensitive electrochemical detection of H 2 O 2 is of great significance. Herein, a facile Pt@Co/MoN sensing platform was fabricated by depositing Pt nanoparticles onto Co/MoN nanoarrays using atomic layer deposition (ALD) technology. Benefitting from the unique nanostructure and the strong interaction between Pt and the nitride support, the prepared Pt@Co/MoN exhibited excellent performance in the electrochemical detection of H 2 O 2 . This work provides an interesting strategy to fabricate low-Pt electrocatalysts on a nanoarray support for future applications in electroanalysis. A Pt@Co/MoN sensing platform was realized by atomic layer deposition of trace Pt onto a Co/MoN support, and the unique nanostructure endows it with a promising electrochemical detection capability towards H 2 O 2 in real samples and in living cells.
ISSN:1359-7345
1364-548X
DOI:10.1039/d2cc05521j