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Shutang Chen

Catalysis 2023
Shutang Chen, Speaker at Catalysis Conference
Honda Research Institute USA Inc, United States
Title : fcc/2H and fcc/4H copper nanodisks for carbon dioxide reduction


The nanosized fcc/hcp (face centered cubic/hexagonal close-packed) noble metal heterostructures have demonstrated excellent catalytic performance towards hydrogen evolution reaction and CO2 reduction reaction. Among all the monometallic catalysts, copper has drawn great attention because of its unique ability to convert CO2 into hydrocarbon products with an appreciable selectivity. However, the wet-chemistry synthesis of fcc/hcp Cu nanostructure still remains a great challenge. Herein, we reported a high temperature solution reduction method to synthesize fcc/hcp Cu nanodisks with a thickness of 26.5 ± 2.3 nm and diameter of 85.6 ± 3.7 nm. The Cu nanodisks exhibited high selectivity towards CO2 reduction reaction and high faradaic efficiency for methane (60.4%) production at -1.25 V vs reversible hydrogen electrode (RHE). Transmission electron microscopy (TEM) revealed copious atomic interfaces of fcc/2H and fcc/4H heterostructures on the side surface of the nanodisks (2H/4H: hexagonal close-packed crystal structures with stacking sequence of “AB” and “ABCB”, respectively). Density functional theory calculations suggested that the fcc/2H and fcc/4H heterostructures possess lower ΔG*CHO compared to the pure fcc structure, indicating a lower kinetic barrier for CO2 reduction reaction.


Dr. Shutang Chen studied Chemistry at the Lanzhou University, China and graduated as BS in 2002 and MS in 2005. He received his PhD degree (hysical chemistry) in 2010 at the Beijing Institute of Technology, China. After seven years postdoctoral fellowship at Ajou University in the Republic of Korea (2010-2011), University of Arkansas (2011-2013) and University of Connecticut (2014-2017) in USA, he joined in Honda Research Institute USA Inc. in 2017. He has published more than 60 research articles in SCI journals and 15 patents