Controlling hydrogen evolution reaction activity on Ni core–Pt island nanoparticles by tuning the size of the Pt islands
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Benedetti, Tania M
Lian, Jiaxin
Gonçales, Vinicius R
Gooding, J Justin
Tilley, Richard D
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Abstract
Pt islands with different sizes were grown on amorphous Ni nanoparticles, allowing the tuning of the Pt–Ni interface without changing the hydrogen binding energy of the Pt sites. As a result, the HER activity of the electrocatalysts increases by decreasing the size of the Pt islands due to the greater surface area of the Pt–Ni interfaces.
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Chemical Communications
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57
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22
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Chemical sciences
Electrochemistry
Nanomaterials
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Alinezhad, A; Benedetti, TM; Lian, J; Gonçales, VR; Gooding, JJ; Tilley, RD, Controlling hydrogen evolution reaction activity on Ni core–Pt island nanoparticles by tuning the size of the Pt islands, Chemical Communications, 57 (22), pp. 2788-2791