Zhou, X., Zhang, A., Chen, B., Zhu, S., Cui, Y., Bai, L., Yu, J., Ge, Y., Yun, Q., Li, L., Huang, B., Liao, L., Fu, J., Wa, Q., Wang, G., Huang, Z., Zheng, L., Ren, Y., Li, S., ... Zhang, H. (2023). Synthesis of 2H/fcc-Heterophase AuCu Nanostructures for Highly Efficient Electrochemical CO2 Reduction at Industrial Current Densities. Advanced Materials, 35(51), Article 2304414. https://doi.org/10.1002/adma.202304414
@article{18ac9f9ba2364850900898f66525ed33,
title = "Synthesis of 2H/fcc-Heterophase AuCu Nanostructures for Highly Efficient Electrochemical CO2 Reduction at Industrial Current Densities",
abstract = "Structural engineering of nanomaterials offers a promising way for developing high-performance catalysts toward catalysis. However, the delicate modulation of thermodynamically unfavorable nanostructures with unconventional phases still remains a challenge. Here, the synthesis of hierarchical AuCu nanostructures is reported with hexagonal close-packed (2H-type)/face-centered cubic (fcc) heterophase, high-index facets, planar defects (e.g., stacking faults, twin boundaries, and grain boundaries), and tunable Cu content. The obtained 2H/fcc Au99Cu1 hierarchical nanosheets exhibit excellent performance for the electrocatalytic CO2 reduction to produce CO, outperforming the 2H/fcc Au91Cu9 and fcc Au99Cu1. The experimental results, especially those obtained by in-situ differential electrochemical mass spectroscopy and attenuated total reflection Fourier-transform infrared spectroscopy, suggest that the enhanced catalytic performance of 2H/fcc Au99Cu1 arises from the unconventional 2H/fcc heterophase, high-index facets, planar defects, and appropriate alloying of Cu. Impressively, the 2H/fcc Au99Cu1 shows CO Faradaic efficiencies of 96.6% and 92.6% at industrial current densities of 300 and 500 mA cm−2, respectively, as well as good durability, placing it among the best CO2 reduction electrocatalysts for CO production. The atomically structural regulation based on phase engineering of nanomaterials (PEN) provides an avenue for the rational design and preparation of high-performance electrocatalysts for various catalytic applications.",
keywords = "CO reduction reaction, bimetallic nanostructures, heterophase, in-situ FTIR, phase engineering of nanomaterials",
author = "Xichen Zhou and An Zhang and Bo Chen and Shangqian Zhu and Yu Cui and Licheng Bai and Jinli Yu and Yiyao Ge and Qinbai Yun and Lujiang Li and Biao Huang and Lingwen Liao and Jiaju Fu and Qingbo Wa and Gang Wang and Zhiqi Huang and Long Zheng and Yi Ren and Siyuan Li and Guangyao Liu and Li Zhai and Zijian Li and Jiawei Liu and Ye Chen and Lu Ma and Chongyi Ling and Jinlan Wang and Zhanxi Fan and Yonghua Du and Minhua Shao and Hua Zhang",
note = "Publisher Copyright: {\textcopyright} 2023 Wiley-VCH GmbH.",
year = "2023",
month = dec,
day = "21",
doi = "10.1002/adma.202304414",
language = "English",
volume = "35",
journal = "Advanced Materials",
issn = "0935-9648",
publisher = "Wiley-Blackwell",
number = "51",
}
Zhou, X, Zhang, A, Chen, B, Zhu, S, Cui, Y, Bai, L, Yu, J, Ge, Y, Yun, Q, Li, L, Huang, B, Liao, L, Fu, J, Wa, Q, Wang, G, Huang, Z, Zheng, L, Ren, Y, Li, S, Liu, G, Zhai, L, Li, Z, Liu, J, Chen, Y, Ma, L, Ling, C, Wang, J, Fan, Z, Du, Y, Shao, M & Zhang, H 2023, 'Synthesis of 2H/fcc-Heterophase AuCu Nanostructures for Highly Efficient Electrochemical CO2 Reduction at Industrial Current Densities', Advanced Materials, vol. 35, no. 51, 2304414. https://doi.org/10.1002/adma.202304414
TY - JOUR
T1 - Synthesis of 2H/fcc-Heterophase AuCu Nanostructures for Highly Efficient Electrochemical CO2 Reduction at Industrial Current Densities
AU - Zhou, Xichen
AU - Zhang, An
AU - Chen, Bo
AU - Zhu, Shangqian
AU - Cui, Yu
AU - Bai, Licheng
AU - Yu, Jinli
AU - Ge, Yiyao
AU - Yun, Qinbai
AU - Li, Lujiang
AU - Huang, Biao
AU - Liao, Lingwen
AU - Fu, Jiaju
AU - Wa, Qingbo
AU - Wang, Gang
AU - Huang, Zhiqi
AU - Zheng, Long
AU - Ren, Yi
AU - Li, Siyuan
AU - Liu, Guangyao
AU - Zhai, Li
AU - Li, Zijian
AU - Liu, Jiawei
AU - Chen, Ye
AU - Ma, Lu
AU - Ling, Chongyi
AU - Wang, Jinlan
AU - Fan, Zhanxi
AU - Du, Yonghua
AU - Shao, Minhua
AU - Zhang, Hua
N1 - Publisher Copyright:
© 2023 Wiley-VCH GmbH.
PY - 2023/12/21
Y1 - 2023/12/21
N2 - Structural engineering of nanomaterials offers a promising way for developing high-performance catalysts toward catalysis. However, the delicate modulation of thermodynamically unfavorable nanostructures with unconventional phases still remains a challenge. Here, the synthesis of hierarchical AuCu nanostructures is reported with hexagonal close-packed (2H-type)/face-centered cubic (fcc) heterophase, high-index facets, planar defects (e.g., stacking faults, twin boundaries, and grain boundaries), and tunable Cu content. The obtained 2H/fcc Au99Cu1 hierarchical nanosheets exhibit excellent performance for the electrocatalytic CO2 reduction to produce CO, outperforming the 2H/fcc Au91Cu9 and fcc Au99Cu1. The experimental results, especially those obtained by in-situ differential electrochemical mass spectroscopy and attenuated total reflection Fourier-transform infrared spectroscopy, suggest that the enhanced catalytic performance of 2H/fcc Au99Cu1 arises from the unconventional 2H/fcc heterophase, high-index facets, planar defects, and appropriate alloying of Cu. Impressively, the 2H/fcc Au99Cu1 shows CO Faradaic efficiencies of 96.6% and 92.6% at industrial current densities of 300 and 500 mA cm−2, respectively, as well as good durability, placing it among the best CO2 reduction electrocatalysts for CO production. The atomically structural regulation based on phase engineering of nanomaterials (PEN) provides an avenue for the rational design and preparation of high-performance electrocatalysts for various catalytic applications.
AB - Structural engineering of nanomaterials offers a promising way for developing high-performance catalysts toward catalysis. However, the delicate modulation of thermodynamically unfavorable nanostructures with unconventional phases still remains a challenge. Here, the synthesis of hierarchical AuCu nanostructures is reported with hexagonal close-packed (2H-type)/face-centered cubic (fcc) heterophase, high-index facets, planar defects (e.g., stacking faults, twin boundaries, and grain boundaries), and tunable Cu content. The obtained 2H/fcc Au99Cu1 hierarchical nanosheets exhibit excellent performance for the electrocatalytic CO2 reduction to produce CO, outperforming the 2H/fcc Au91Cu9 and fcc Au99Cu1. The experimental results, especially those obtained by in-situ differential electrochemical mass spectroscopy and attenuated total reflection Fourier-transform infrared spectroscopy, suggest that the enhanced catalytic performance of 2H/fcc Au99Cu1 arises from the unconventional 2H/fcc heterophase, high-index facets, planar defects, and appropriate alloying of Cu. Impressively, the 2H/fcc Au99Cu1 shows CO Faradaic efficiencies of 96.6% and 92.6% at industrial current densities of 300 and 500 mA cm−2, respectively, as well as good durability, placing it among the best CO2 reduction electrocatalysts for CO production. The atomically structural regulation based on phase engineering of nanomaterials (PEN) provides an avenue for the rational design and preparation of high-performance electrocatalysts for various catalytic applications.
KW - CO reduction reaction
KW - bimetallic nanostructures
KW - heterophase
KW - in-situ FTIR
KW - phase engineering of nanomaterials
UR - http://www.scopus.com/inward/record.url?scp=85175999011&partnerID=8YFLogxK
U2 - 10.1002/adma.202304414
DO - 10.1002/adma.202304414
M3 - Article
C2 - 37515580
AN - SCOPUS:85175999011
SN - 0935-9648
VL - 35
JO - Advanced Materials
JF - Advanced Materials
IS - 51
M1 - 2304414
ER -