Fe-Doped CoP Nanoarray: A Monolithic Multifunctional Catalyst for Highly Efficient Hydrogen Generation.

Tang, Chun; Zhang, Rong; Lu, Wenbo; He, Liangbo; Jiang, Xiue; Asiri, Abdullah M; Sun, Xuping · Adv Mater · 2017

basic_science · Level V

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Abstract

An Fe-doped CoP nanoarray behaves as a robust 3D monolithic multifunctional catalyst for electrolytic and hydrolytic hydrogen evolution with high activity. Its two-electrode electrolyzer needs a cell voltage of only 1.60 V for 10 mA cm<sup>-2</sup> water-splitting current. It also catalyzes effectively NaBH<sub>4</sub> hydrolysis with a low activation energy of ≈39.6 kJ mol<sup>-1</sup> and a hydrogen generation rate of 6.06 L min<sup>-1</sup> g<sup>-1</sup> .