Issue 66, 2024

Phosphorus-doped Ti3C2Tx MXene nanosheets enabling ambient NH3 synthesis with high current densities

Abstract

Herein, we show that P-doped Ti3C2Tx MXene nanosheets can effectively catalyze the NO3RR-to-NH3 conversion with a high faradaic efficiency of 95% and a yield rate of 5.39 mg h−1 mgcat.−1. Moreover, the catalyst achieves an impressive high current density of −1200 mA cm−2 at a low potential of −1.51 V, accompanied by an NH3 productivity of 123.5 mg h−1 mgcat.−1. Theoretical calculations further reveal that phosphorous dopants facilitate the adsorption and activation of reactants/intermediates and thus lower the energy barrier.

Graphical abstract: Phosphorus-doped Ti3C2Tx MXene nanosheets enabling ambient NH3 synthesis with high current densities

Supplementary files

Article information

Article type
Communication
Submitted
23 Jun 2024
Accepted
19 Jul 2024
First published
22 Jul 2024

Chem. Commun., 2024,60, 8728-8731

Phosphorus-doped Ti3C2Tx MXene nanosheets enabling ambient NH3 synthesis with high current densities

Y. Qi, X. Hou, Z. He, F. He, T. Wei, G. Meng, H. Hu, Q. Liu, G. Hu and X. Liu, Chem. Commun., 2024, 60, 8728 DOI: 10.1039/D4CC03051F

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