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    Homologous Co3O4 parallel to CoP nanowires grown on carbon cloth as a high-performance electrode pair for triclosan degradation and hydrogen evolution

    Year: 2018

    Journal: Mat. Chem. Front., Volume 2, FEB 1, page 323–330

    Authors: Lyu, Chaojie; Zheng, Jinlong; Zhang, Rui; Zou, Rudiang; Liu, Bin; Zhou, Wei

    Organizations: National Natural Science Foundation of China [51622204, 51472014, 51438011]; Beijing Nova Program [Z171100001117071]; Foundation for the Author of National Excellent Doctoral Dissertation of China [201331]; Fundamental Research Funds for the Central Universities; National Postdoctoral Program for Innovative Talents [BX201600007]; China Postdoctoral Science Foundation [2016M600894]

    As a widely used antimicrobial agent in toothpastes and body washes for decades, triclosan (TCS) is causing great harm to the environment through wastewater. Herein, we used a two-electrode system to remove TCS comprising Co3O4 nanowires/carbon cloth (Co3O4 NWs/CC) as anode and CoP nanowires/carbon cloth (CoP NWs/CC) as cathode. At a constant current density of 10 mA cm(-2), the degradation efficiency for TCS is 95% in 60 min and it is transformed into important chemical raw materials, including phenol, 1,2-dihydroxybenzene, and 2-phenoxyphenol. Subsequently, hydrogen is generated on the CoP NWs/CC cathode with Faradaic efficiency of nearly 100%. The synergetic effect of the superhydrophilic surfaces of the Co3O4 NWs/CC anode and the CoP NWs/CC cathode as well as the superaerophobicity of the cathode assures full contact of the electrolyte solution and the active materials and high-efficiency generation of H-2 bubbles.
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