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Preparation of Silver-Palladium Alloyed Nanoparticles for Plasmonic Catalysis under Visible-Light Illumination
Published on: August 18, 2020
Electronic metal-support interaction boosts electrochemiluminescence by improving the catalytic activity of palladium
Mingtong Cai1, Jiaqi Gao1, Jian-Bin Pan1
1State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry, Nanjing University, Nanjing 210023, People's Republic of China. lzheng@nju.edu.cn.
Abstract:
The electronic metal-support interaction (EMSI) modulates the electronic structure and activity of catalysts, yet its role in electrochemiluminescence (ECL) remains unclear. Using graphene-supported Pd nanoparticles, we show that EMSI downshifts the Pd d-band center and that charge transfer between Pd and graphene facilitates both luminol oxidation and H2O2 decomposition, significantly enhancing the ECL signal.

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