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Chinese Journal of Vacuum Science and Technology. 2018, (03) Core

Control Synthesis and Electrocatalytic Properties of Nanocomposites Films Comprising FeP（Fe2P） Nanoparticles Embedded in N-Doped Porous Carbon SkeletonChinese Full TextEnglish Full Text (MT)

Zhang Yu;Zhang Yong;Wang Yan;Cui Jiewu;Liu Jiaqin;Shu Xia;Qin Yongqiang;Chen Chuansheng;Wu Yucheng;School of Materials Science and Engineering,Hefei University of Technology;Key Laboratory of Advanced Functional Materials and Devices of Anhui Province;Institute of Industry ＆ Equipment Technology,Hefei University of Technology;School of Mechanical Engineering,Anhui Vocational And Technical College;

Abstract: A novel type ofthecatalytic nanocompositesfilm,comprising FeP（ Fe2P） nanoparticles embedded in N-doped porous carbon skeleton,was developed via chemical route. First,the aniline monomers gel was synthesized;next,the Fe-doped polyaniline gel was prepared by one-step solution synthesis with aniline and phytic acid as the Cand P-sources,respectively,and with Fe Cl3 solution as the dopant; and finally,the Fe-doped polyaniline gel,after freeze-drying,was rapidly pyrolysized at temperature about 800 900℃ in H2+ Ar atmosphere. The microstructures and electro-catalytic behavior of the pyrolysized films were characterized with scanning electron microscopy,transmission electron microscopy and linear sweep voltammetry. The results show that the composites films consisted of the FeP（ Fe2P） nanoparticles embedded in N-doped,highly porous C-skeleton. The nano-composites films displayed the best catalytic activity for both hydrogen evolution and oxygen reduction at 850℃,possibly because of the increased active surfaces of FeP（ Fe2P） nano-particles.
Keywords：

Polyaniline; Ferrous phosphide; Electrolysis of water; Oxygen reduction;

  • DOI：

    10.13922/j.cnki.cjovst.2018.03.11

  • Series：

  • Subject：

  • Classification Code：

    O643.36;TB383.1

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