A universal ligand mediated method for large scale synthesis of transition metal single atom catalysts

Hongzhou Yang, Lu Shang, Qinghua Zhang, Run Shi, Geoffrey I. N. Waterhouse, Lin Gu and Tierui Zhang ()
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Hongzhou Yang: Chinese Academy of Sciences
Lu Shang: Chinese Academy of Sciences
Qinghua Zhang: Institute of Physics, Chinese Academy of Sciences
Run Shi: Chinese Academy of Sciences
Geoffrey I. N. Waterhouse: The University of Auckland
Lin Gu: Institute of Physics, Chinese Academy of Sciences
Tierui Zhang: Chinese Academy of Sciences

Nature Communications, 2019, vol. 10, issue 1, 1-9

Abstract: Abstract There is interest in metal single atom catalysts due to their remarkable activity and stability. However, the synthesis of metal single atom catalysts remains somewhat ad hoc, with no universal strategy yet reported that allows their generic synthesis. Herein, we report a universal synthetic strategy that allows the synthesis of transition metal single atom catalysts containing Cr, Mn, Fe, Co, Ni, Cu, Zn, Ru, Pt or combinations thereof. Aberration-corrected high-angle annular dark-field scanning transmission electron microscopy and extended X-ray absorption fine structure spectroscopy confirm that the transition metal atoms are uniformly dispersed over a carbon black support. The introduced synthetic method allows the production of carbon-supported metal single atom catalysts in large quantities (>1 kg scale) with high metal loadings. A Ni single atom catalyst exhibits outstanding activity for electrochemical reduction of carbon dioxide to carbon monoxide, achieving a 98.9% Faradaic efficiency at −1.2 V.

Date: 2019
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DOI: 10.1038/s41467-019-12510-0

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