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首页> 外文期刊>Advanced Functional Materials >Hierarchical Nanowire Arrays Based on ZnO Core-Layered Double Hydroxide Shell for Largely Enhanced Photoelectrochemical Water Splitting
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Hierarchical Nanowire Arrays Based on ZnO Core-Layered Double Hydroxide Shell for Largely Enhanced Photoelectrochemical Water Splitting

机译：基于ZnO核双层氢氧化物壳的多层纳米线阵列，用于大大增强的光电化学水分解

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摘要

Well-aligned hierarchical nanoarrays containing ZnO core and layered double hydroxide (LDH) nanoplatelets shell have been synthesized via a facile elec-trosynthesis method. The resulting ZnO@CoNi-LDH core-shell nanoarray exhibits promising behavior in photoelectrochemical water splitting, giving rise to a largely enhanced photocurrent density as well as stability; much superior to those of ZnO-based photoelectrodes. This is attributed to the successful integration of photogenerated electron-hole separation originating from the ZnO core and the excellent electrocatalytic activity of LDH shell. This work provides a facile and cost-effective strategy for the fabrication of multifunctional nanoarrays with a hierarchical structure, which can be potentially used in energy storage and conversion devices.
机译：通过简便的电合成方法合成了排列良好的包含ZnO核和层状双氢氧化物（LDH）纳米血小板壳的分层纳米阵列。所得的ZnO @ CoNi-LDH核壳纳米阵列在光电化学水分解中表现出良好的行为，从而大大提高了光电流密度和稳定性。远远优于基于ZnO的光电极。这归因于源自ZnO核的光生电子-空穴分离的成功整合以及LDH壳的出色电催化活性。这项工作为制造具有分层结构的多功能纳米阵列提供了一种简便且具有成本效益的策略，可以潜在地用于能量存储和转换设备中。

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  • 来源
    《Advanced Functional Materials》 |2014年第5期|580-586|共7页
  • 作者

    Mingfei Shao; Fanyu Ning; Min Wei; David G. Evans; Xue Duan;

  • 作者单位

    State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology Beijing, 100029, PR China;

    State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology Beijing, 100029, PR China;

    State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology Beijing, 100029, PR China;

    State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology Beijing, 100029, PR China;

    State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology Beijing, 100029, PR China;

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