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Platinum Nanoparticle-Deposited Ti3C2Tx MXene for Hydrogen Evolution Reaction
Industrial & Engineering Chemistry Research ( IF 3.375 ) Pub Date : 2020-01-23 , DOI: 10.1021/acs.iecr.9b05046
Xiaobao Zhang; Baiyi Shao; Zemin Sun; Zhe Gao; Yong Qin; Ce Zhang; Fangming Cui; Xiaojing Yang

Nobel metal Pt composites show high catalytic activity for hydrogen evolution reaction (HER) but limited in application by high Pt contents and therefore the cost. Herein, a series of Pt nanoparticle (NP)-deposited 2D Ti3C2Tx MXenes were prepared by an atomic layer deposition (ALD) method with relatively low Pt contents (0.98–3.10 wt %) and showed excellent HER catalytic activity and stability. The electrochemical results indicated that the prepared catalysts showed the optimal HER activity as the ALD deposition cycle reached 40, with an overpotential of 67.8 mV approaching that of the commercial Pt/C catalyst (64.2 mV). The excellent behavior was attributed to the homogeneous dispersion of the Pt NPs and the good conductivity of the 2D Ti3C2Tx MXene supports.
更新日期:2020-01-24

 

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