Surface-Plasmon-Driven Hot Electron Photochemistry,Chemical Reviews

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Surface-Plasmon-Driven Hot Electron Photochemistry
Chemical Reviews ( IF 51.4 ) Pub Date : 2017-11-30 00:00:00 , DOI: 10.1021/acs.chemrev.7b00430
Yuchao Zhang ₁ , Shuai He ₁ , Wenxiao Guo ₁ , Yue Hu ₁ , Jiawei Huang ₁ , Justin R. Mulcahy ₁ , Wei David Wei ₁

Affiliation

Visible-light-driven photochemistry has continued to attract heightened interest due to its capacity to efficiently harvest solar energy and its potential to solve the global energy crisis. Plasmonic nanostructures boast broadly tunable optical properties coupled with catalytically active surfaces that offer a unique opportunity for solar photochemistry. Resonant optical excitation of surface plasmons produces energetic hot electrons that can be collected to facilitate chemical reactions. This review sums up recent theoretical and experimental approaches for understanding the underlying photophysical processes in hot electron generation and discusses various electron-transfer models on both plasmonic metal nanostructures and plasmonic metal/semiconductor heterostructures. Following that are highlights of recent examples of plasmon-driven hot electron photochemical reactions within the context of both cases. The review concludes with a discussion about the remaining challenges in the field and future opportunities for addressing the low reaction efficiencies in hot-electron-induced photochemistry.

中文翻译：

表面等离子驱动热电子光化学

可见光驱动的光化学由于其有效收集太阳能的能力以及解决全球能源危机的潜力而继续引起人们的浓厚兴趣。等离子体纳米结构具有广泛可调谐的光学特性以及催化活性表面，这为太阳能光化学提供了独特的机会。表面等离子体激元的共振光激发产生高能的热电子，可以收集这些热电子以促进化学反应。这篇综述总结了最新的理论和实验方法，以了解热电子产生过程中的潜在光物理过程，并讨论了等离激元金属纳米结构和等离激元金属/半导体异质结构上的各种电子转移模型。在这两种情况下，这是最近由等离激元驱动的热电子光化学反应的例子的重点。回顾以讨论该领域的剩余挑战以及解决热电子诱导的光化学中低反应效率的未来机会作为结尾。

更新日期：2017-11-30

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