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首页> 外文期刊>International Journal of Electrochemical Science >Preparation of ZnS-CdS Nanocomposite for Photoelectrochemical Hydrogen Production
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Preparation of ZnS-CdS Nanocomposite for Photoelectrochemical Hydrogen Production

机译：用于光电化学制氢的ZnS-CdS纳米复合材料的制备

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Chalcogenide nanostructures and nanocomposites as semiconductors have attracted intense attentions in various potential applications such as hydrogen production owing to their remarkable photoelectrochemical activity. In this study, ZnS-CdS nanocomposite with cubic ZnS and hexagonal CdS was synthesized with a simple wet chemical method. As can be seen from SEM and TEM images, CdS was formed on the outer layer of ZnS NPs. The hydrogen production rate of ZnS-CdS nanocomposite was much higher than that of ZnS NPs, indicating the remarkable enhancement of hydrogen production activity of photocatalyst with the addition of CdS. The hydrogen production rate increased more than 4 times after the deposition of Ru on the surface of ZnS-CdS. In addition, the as- prepared ZnS-CdS nancomposite demonstrated an excellent stability over 50 h.
机译：硫族化物纳米结构和纳米复合材料作为半导体，由于其卓越的光电化学活性，已在各种潜在应用（例如制氢）中引起了广泛的关注。在这项研究中，采用简单的湿化学方法合成了具有立方ZnS和六方CdS的ZnS-CdS纳米复合材料。从SEM和TEM图像可以看出，CdS形成在ZnS NPs的外层上。 ZnS-CdS纳米复合材料的产氢速率远高于ZnS NPs，表明添加CdS可以显着提高光催化剂的产氢活性。在Ru沉积在ZnS-CdS表面后，氢的生成速率提高了4倍以上。此外，所制备的ZnS-CdS纳米复合材料在50小时内表现出出色的稳定性。

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