Building up libraries and production line for single atom catalysts with precursor-atomization strategy

Xiaohui He, Hao Zhang, Xingcong Zhang, Ying Zhang, Qian He, Hongyu Chen, Yujie Cheng, Mi Peng, Xuetao Qin, Hongbing Ji () and Ding Ma ()
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Xiaohui He: Sun Yat-sen University
Hao Zhang: Sun Yat-sen University
Xingcong Zhang: Sun Yat-sen University
Ying Zhang: Sun Yat-sen University
Qian He: Sun Yat-sen University
Hongyu Chen: Sun Yat-sen University
Yujie Cheng: Sun Yat-sen University
Mi Peng: Peking University
Xuetao Qin: Peking University
Hongbing Ji: Sun Yat-sen University
Ding Ma: Peking University

Nature Communications, 2022, vol. 13, issue 1, 1-10

Abstract: Abstract Having the excellent catalytic performance, single atom catalysts (SACs) arouse extensive research interest. However, the application of SACs is hindered by the lack of versatile and scalable preparation approaches. Here, we show a precursor-atomization strategy to produce SACs, involving the spray of droplets of solutions containing metal precursors onto support surface through ultrasonic atomization and the subsequent calcination. This approach is versatile to successful synthesis of a series of catalysts, including 19 SACs with different metal sites and supports and 3 derivatives of SACs (single atom alloys, double atom catalysts and bi-metallic SACs). Furthermore, it can be scaled up by a homemade production line with productivity over 1 kg day−1, and the well-controlled catalyst uniformity is evidenced by the identical characterization results and catalytic properties in Suzuki-Miyaura cross-coupling. This strategy lays a foundation for further investigation and may accelerate the trend from basic research to industrial applications of SACs.

Date: 2022
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DOI: 10.1038/s41467-022-33442-2

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