Confined Molybdenum Phosphide in P-Doped Porous Carbon as Efficient Electrocatalysts for Hydrogen Evolution,ACS Applied Materials & Interfaces

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Confined Molybdenum Phosphide in P-Doped Porous Carbon as Efficient Electrocatalysts for Hydrogen Evolution
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2018-05-02 00:00:00 , DOI: 10.1021/acsami.8b01541
Ji-Sen Li ₁ , Shuai Zhang ₁ , Jing-Quan Sha ₁ , Hao Wang ₁ , Ming-Zhu Liu ₁ , Ling-Xin Kong ₁ , Guo-Dong Liu ₁

Affiliation

Highly efficient electrocatalysts for hydrogen evolution reactions (HER) are crucial for electrochemical water splitting, where high-cost and low-abundance Pt-based materials are the benchmark catalysts for HER. Herein, we report the fabrication of MoP nanoparticles confined in P-doped porous carbon ([email protected]) via a metal–organic framework-assisted route for the first time. Remarkably, due to the synergistic effects of MoP nanocrystals, P dopant, and porous carbon, the resulting [email protected] composite exhibits superior HER catalytic activity with an onset overpotential of 97 mV, a Tafel slope of 59.3 mV dec^–1, and good long-term durability, which compares to those of most reported MoP-based HER catalysts. Most importantly, the work opens a new route in the development of high-performance nonprecious HER electrocatalysts derived from MOFs.

中文翻译：

P掺杂多孔碳中的受限磷化钼作为析氢的高效电催化剂

用于氢分解反应（HER）的高效电催化剂对于电化学水分解至关重要，其中高成本和低含量的Pt基材料是HER的基准催化剂。在这里，我们首次报道了通过金属-有机骨架辅助的方法制造的MoP纳米颗粒被限制在P掺杂的多孔碳中（[受电子邮件保护]）。值得注意的是，由于MoP纳米晶体，P掺杂剂和多孔碳的协同作用，所得[受电子邮件保护的]复合材料显示出优异的HER催化活性，起始过电势为97 mV，Tafel斜率为59.3 mV dec ^–1，并具有良好的长期耐久性，与大多数报道的基于MoP的HER催化剂相比。最重要的是，这项工作为开发源自MOF的高性能非贵金属HER电催化剂开辟了一条新途径。

更新日期：2018-05-02

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