Synergistic Effect of Nitrogen/Phosphorus Co-Doping and Molybdenum Carbide Induced Electron Redistribution of Carbon Layer to Boost Hydrogen Evolution Reaction

Jiamin Xiao; Peng Li; Yanyan Sun; Heng Liu; Javid Khan; Handong Zhang; Han Zhou; Yaqiong Su; Shuangyin Wang; Lei Han

doi:10.1002/cjoc.202300400

Synergistic Effect of Nitrogen/Phosphorus Co-Doping and Molybdenum Carbide Induced Electron Redistribution of Carbon Layer to Boost Hydrogen Evolution Reaction

Jiamin Xiao, Peng Li, Yanyan Sun (Corresponding author), Heng Liu, Javid Khan, Handong Zhang, Han Zhou, Yaqiong Su (Corresponding author), Shuangyin Wang (Corresponding author), Lei Han (Corresponding author)

Inorganic Materials & Catalysis

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

The development of highly efficient non-precious-metal-based electrocatalysts for the hydrogen evolution reaction is imperative for promoting the large-scale application of electrochemical water splitting. Herein, nitrogen/phosphorus co-doped carbon nanorods encapsulated Mo₂C nanoparticles (Mo₂C@PNC) have been prepared by pre-phosphating treatment in combination of the coordination with polydopamine and the subsequent pyrolysis. The phosphating temperature has a significant effect on the content of phosphorus within the resultant Mo₂C@PNC, and the optimal catalyst delivers superior HER activity with the low overpotential of 104 mV at a current density of 10 mA·cm^–2 and good stability for 8 h, which has been theoretically demonstrated to originate from the synergistic effect between P doping and Mo₂C induced electron redistribution of nitrogen-doped carbon layer.

Original language	English
Pages (from-to)	55-60
Number of pages	6
Journal	Chinese Journal of Chemistry
Volume	42
Issue number	1
DOIs	https://doi.org/10.1002/cjoc.202300400
Publication status	Published - 1 Jan 2024

Bibliographical note

Publisher Copyright:
© 2023 SIOC, CAS, Shanghai, & WILEY-VCH GmbH.

Funding

This work is financially supported by Fundamental Research Funds for the Central Universities (No. 531118010232 and No. 202044011) and the Natural Science Foundation of Changsha (No. KQ2202146 and No. KQ2208259). Y. Su acknowledge the “Young Talent Support Plan” of Xi'an Jiaotong University. Supercomputing facilities were provided by Hefei Advanced Computing Center.

Funders	Funder number
National Natural Science Foundation of China	KQ2202146, KQ2208259
Xi’an Jiaotong University
Central South University	531118010232, 202044011

Keywords

Electron redistribution
Hydrogen evolution
Molybdenum carbide
N/P co-doped carbon
Synergistic effect

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1002/cjoc.202300400

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title = "Synergistic Effect of Nitrogen/Phosphorus Co-Doping and Molybdenum Carbide Induced Electron Redistribution of Carbon Layer to Boost Hydrogen Evolution Reaction",

abstract = "The development of highly efficient non-precious-metal-based electrocatalysts for the hydrogen evolution reaction is imperative for promoting the large-scale application of electrochemical water splitting. Herein, nitrogen/phosphorus co-doped carbon nanorods encapsulated Mo2C nanoparticles (Mo2C@PNC) have been prepared by pre-phosphating treatment in combination of the coordination with polydopamine and the subsequent pyrolysis. The phosphating temperature has a significant effect on the content of phosphorus within the resultant Mo2C@PNC, and the optimal catalyst delivers superior HER activity with the low overpotential of 104 mV at a current density of 10 mA·cm–2 and good stability for 8 h, which has been theoretically demonstrated to originate from the synergistic effect between P doping and Mo2C induced electron redistribution of nitrogen-doped carbon layer.",

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author = "Jiamin Xiao and Peng Li and Yanyan Sun and Heng Liu and Javid Khan and Handong Zhang and Han Zhou and Yaqiong Su and Shuangyin Wang and Lei Han",

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doi = "10.1002/cjoc.202300400",

language = "English",

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Synergistic Effect of Nitrogen/Phosphorus Co-Doping and Molybdenum Carbide Induced Electron Redistribution of Carbon Layer to Boost Hydrogen Evolution Reaction. / Xiao, Jiamin; Li, Peng; Sun, Yanyan (Corresponding author) et al.
In: Chinese Journal of Chemistry, Vol. 42, No. 1, 01.01.2024, p. 55-60.

Research output: Contribution to journal › Article › Academic › peer-review

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AU - Xiao, Jiamin

AU - Li, Peng

AU - Sun, Yanyan

AU - Liu, Heng

AU - Khan, Javid

AU - Zhang, Handong

AU - Zhou, Han

AU - Su, Yaqiong

AU - Wang, Shuangyin

AU - Han, Lei

PY - 2024/1/1

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AB - The development of highly efficient non-precious-metal-based electrocatalysts for the hydrogen evolution reaction is imperative for promoting the large-scale application of electrochemical water splitting. Herein, nitrogen/phosphorus co-doped carbon nanorods encapsulated Mo2C nanoparticles (Mo2C@PNC) have been prepared by pre-phosphating treatment in combination of the coordination with polydopamine and the subsequent pyrolysis. The phosphating temperature has a significant effect on the content of phosphorus within the resultant Mo2C@PNC, and the optimal catalyst delivers superior HER activity with the low overpotential of 104 mV at a current density of 10 mA·cm–2 and good stability for 8 h, which has been theoretically demonstrated to originate from the synergistic effect between P doping and Mo2C induced electron redistribution of nitrogen-doped carbon layer.

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KW - Synergistic effect

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Synergistic Effect of Nitrogen/Phosphorus Co-Doping and Molybdenum Carbide Induced Electron Redistribution of Carbon Layer to Boost Hydrogen Evolution Reaction

Abstract

Bibliographical note

Funding

Keywords

UN SDGs

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