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. 2021 Aug 9;11(8):2029. doi: 10.3390/nano11082029

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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AFM micrographs of Cu50Co50 NPs with different sizes supported on SiO₂/Si (111). The average NP size: (a) 2.7 nm (S2), (b) 5.2 nm (S3), (c) 11.6 nm (S4), (d) 20.7 nm (S5). (e) Current density as a function of the particles size of CuxCo100-x NPs. Faradaic selectivity as a function of the NP size: (f) bimetallic Cu50Co50 complex, (g) Cu70Co30 complex, (h) Cu90Co10 complex. The data were obtained after 1 h of CO₂RR at E = −1.1 V vs. RHE. Reproduced from [130], with permission from Elsevier, 2018.