Journal
APL MATERIALS
Volume 9, Issue 7, Pages -Publisher
AIP Publishing
DOI: 10.1063/5.0049674
Keywords
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Funding
- National Key R&D Program of China [2018YFA0703504]
- National Natural Science Foundation of China [51932001, 21971244]
- Postdoctoral Innovative Talent Support Program [BX20190331]
- China Postdoctoral Science Foundation [2020M670457]
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This study presents a sequential approach for co-doping B and N atoms into graphdiyne, revealing the strong relationship between heteroatom configurations and doping process, and showing that the method plays a significant role in enhancing current density.
Hydrogen evolution reaction (HER) catalysts based on noble metals traditionally suffered from high cost, low activity, and poor stability. Metal-free catalysts originating from heteroatom-doped carbon materials have been proposed to address these problems, in which the doping configurations and electronic structures are critical for modulating the electrocatalytic activity. Herein, we reported a sequential approach for the co-doping of B and N atoms into graphdiyne (GDY). We noticed that the configurations of heteroatoms are strongly related to the doping process, and the subsequent HER test shows that a certain sp-N can decrease the overpotential, and further introduction of B atoms can continuously enhance the current density owing to the synergistic effect of chemical and electronic couplings on proton adsorption/reduction kinetics. This work provides a deeper understanding of developing dual heteroatom doped non-metallic catalysts.
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