Meilian Gao, Zhongping Ren, Chun Ouyang, Pingping Gao, Ting Lei, Tao Zhou
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引用次数: 0
Abstract
Low-crystallinity and ultrathin iron phosphide nanosheets loading on carbon paper (FeP sheets/CP) were synthesized by hydrothermal and solid–gas phosphating method, acting as an efficient self-supporting electrode for hydrogen evolution reaction (HER). Compared with FeP cubes/CP and FeP rods/CP composites, FeP sheets/CP composites exhibit higher specific surface area due to its lamellar structure favoring the exposure of active sites. Meanwhile, the FeP sheet exhibits low crystallinity due to the addition of surfactant and low-boiling-point ethanol solvent. Electrochemical measurements showed that FeP sheets/CP composites showed great electrocatalytic activity against HER, with overpotentials of only 73 and 156 mV at current density of 10 mA cm−2 in 0.5 M H2SO4 and 1.0 M KOH, respectively.
采用水热法和固气磷化法合成了负载在碳纸上的低结晶度超薄磷化铁纳米片（FeP片/CP），作为析氢反应（HER）的高效自支撑电极。与FeP立方体/CP和FeP棒/CP复合材料相比，FeP片/CP复合材料具有更高的比表面积，因为其层状结构有利于活性位点的暴露。同时，表面活性剂的加入和低沸点乙醇溶剂的加入使FeP片的结晶度降低。电化学测试表明，FeP片/CP复合材料对HER具有良好的电催化活性，在0.5 M H2SO4和1.0 M KOH中，电流密度为10 mA cm−2时，过电位分别为73和156 mV。
期刊介绍：
Transition Metal Chemistry is an international journal designed to deal with all aspects of the subject embodied in the title: the preparation of transition metal-based molecular compounds of all kinds (including complexes of the Group 12 elements), their structural, physical, kinetic, catalytic and biological properties, their use in chemical synthesis as well as their application in the widest context, their role in naturally occurring systems etc.
Manuscripts submitted to the journal should be of broad appeal to the readership and for this reason, papers which are confined to more specialised studies such as the measurement of solution phase equilibria or thermal decomposition studies, or papers which include extensive material on f-block elements, or papers dealing with non-molecular materials, will not normally be considered for publication. Work describing new ligands or coordination geometries must provide sufficient evidence for the confident assignment of structural formulae; this will usually take the form of one or more X-ray crystal structures.
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