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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >CdS nanowire-modified 3D graphene foam for high-performance photo-electrochemical anode
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CdS nanowire-modified 3D graphene foam for high-performance photo-electrochemical anode

机译：CdS纳米线改性3D石墨烯泡沫用于高性能光电化学阳极

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摘要

A photo-electrochemical photo-anode of CdS-modified graphene foam (GF) was prepared by chemical vapor deposition method. The interconnected 3D scaffold network of the as-prepared CdS-modified GF composite not only facilitates the separation of photo-generated charge carrier, but also provides a direct pathway for charge transport in the conductive network, resulting in the enhanced photo-current response. Experimental results confirm that the deposition of the CdS nanowires (NWs) makes a major contribution to improving the photo-current density of as-prepared CdS NWs/GF photo-anode, which reaches a high value of 55 mA/cm(2) with clear light-on and - off. Meanwhile, the PEC reaction leads to the photo-corrosion of CdS NWs/GF photo-anode, resulting in the prominent decrease of photo-current density during the photo-electrochemical reactions. Such a CdS-modified 3D GF photo-anode with impressive photovoltaic properties provides a promising platform for photo-electrochemical applications. (C) 2016 Elsevier B.V. All rights reserved.
机译：采用化学气相沉积法制备了CdS改性石墨烯泡沫（GF）的光电化学阳极。所制备的CdS修饰的GF复合材料的互连3D支架网络不仅有助于光生电荷载体的分离，而且还为电荷在导电网络中的传输提供了直接途径，从而增强了光电流响应。实验结果证实，CdS纳米线（NWs）的沉积对改善所制备的CdS NWs / GF光阳极的光电流密度做出了重大贡献，其光电流密度高达55 mA / cm（2），清除开灯和关灯。同时，PEC反应导致CdS NWs / GF光阳极的光腐蚀，导致光电化学反应过程中光电流密度显着下降。这种具有令人印象深刻的光伏特性的CdS修饰的3D GF光阳极为光电化学应用提供了一个有前途的平台。 （C）2016 Elsevier B.V.保留所有权利。

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