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Facile synthesis of one-dimensional MoWP hybrid nanowires and their enhanced electrochemical catalytic activities
Chemical Physics Letters ( IF 2.8 ) Pub Date : 2020-01-10 , DOI: 10.1016/j.cplett.2020.137107
Lei Yang , Peisi Xu , Wen Zhang , Mengyuan Chen , Chao Feng , Xueqin Yuan

In this paper, we report the one-dimensional MoWP hybrid nanostructure as an efficient HER electrocatalyst for water splitting. The MoWP hybrid nanowires (NWs) were synthesized via the electrospinning and subsequent phosphating process. Compared with pure MoP or WP NWs, the one dimensional MoWP hybrid electrocatalyst enabled a superior HER activity with an onset overpotential of 131 mV, an overpotential of 230 mV to drive the current density of 10 mA/cm-2, a low Tafel slope of 62 mV/dec and a high exchange current density of 6.622 μA/cm2 in 0.5 mol/L H2SO4. Also, the as-synthesized MoWP hybrid electrocatalyst exhibited an excellent stability.



中文翻译:

一维MoWP杂化纳米线的简便合成及其增强的电化学催化活性

在本文中,我们报告了一维MoWP杂化纳米结构作为一种高效的HER电分解水的电催化剂。通过电纺和随后的磷化过程合成了MoWP杂化纳米线(NWs)。与纯MoP或WP NW相比,一维MoWP杂化电催化剂具有出色的HER活性,起始过电势为131 mV,过电势为230 mV,以驱动10 mA / cm -2的电流密度,低Tafel斜率。 62 mV / dec和0.5 mol / LH 2 SO 4中的6.622μA/ cm 2的高交换电流密度。同样,合成后的MoWP杂化电催化剂显示出极好的稳定性。

更新日期:2020-01-11
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