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Updated: Jun 4, 2025

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
Tuning the selectivity of bimetallic Cu electrocatalysts for CO2 reduction using atomic layer deposition
Si Young Lee1, Julia D Lenef2, Daniel O Delgado Cornejo2
1Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA. ndasupt@umich.edu.
Abstract:
Cu-Zn bimetallic catalysts were synthesized on 3-D gas diffusion electrodes using atomic layer deposition (ALD) techniques. Electrochemical CO2 reduction was evaluated, and a significant variation in the product selectivity was observed compared to unmodified Cu catalysts. As low as a single ALD cycle of ZnO resulted in a reduction of C2H4 production and shift towards CO selectivity, which is attributed to changes in the chemical state of the surface. Our findings demonstrate the impact of atomically-precise surface modifications on electrocatalyst selectivity.
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