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首页> 外文期刊>RSC Advances >Facile synthesis of Au/Pd nano-dogbones and their plasmon-enhanced visible-to-NIR light photocatalytic performance
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Facile synthesis of Au/Pd nano-dogbones and their plasmon-enhanced visible-to-NIR light photocatalytic performance

机译：Au / Pd纳米狗骨的简便合成及其等离激元增强的可见光-NIR光催化性能

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Here, we report a facile synthesis of Pd/Au nano-dogbones (NDBs) by loading massive Pd nanoparticles on the two ends of Au nanorods (NRs) via a seed-mediated method. The as-prepared samples were investigated by using TEM, elemental analysis, UV-vis and FDTD simulation. The photocatalytic activity of Pd/Au NDBs was assessed by dehydrogenation of formic acid under visible-to-NIR light irradiation. The Pd/Au NDBs shows much higher enhanced reaction activity compared with samples with core–shell structure due to the increased electron and hole pair separation and total catalytic sites. More importantly, the introduction of Au NRs broadens the photoresponse range and improves the utilization of sunlight efficiently. This finding provides a rational approach to improve photocatalytic performance by forming dogbone structures via integrating plasmonic metals and conventional catalysts.
机译：在这里，我们报道了通过种子介导的方法将大量的Pd纳米颗粒负载在Au纳米棒（NRs）的两端，从而轻松合成了Pd / Au纳米狗骨头（NDB）。通过使用TEM，元素分析，UV-vis和FDTD模拟研究了制备的样品。 Pd / Au NDB的光催化活性是通过在可见光到近红外光照射下甲酸脱氢来评估的。与具有核-壳结构的样品相比，Pd / Au NDBs具有更高的增强的反应活性，这是由于电子和空穴对的分离以及总催化位的增加。更重要的是，Au NRs的引入拓宽了光响应范围并有效地提高了对阳光的利用。这一发现为通过将等离激元金属和常规催化剂结合形成 的狗骨头结构提供了一种改善光催化性能的合理方法。

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