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首页> 外文期刊>Chemistry: A European journal >Full Solution-Processed Synthesis and Mechanisms of a Recyclable and Bifunctional Au/ZnO Plasmonic Platform for Enhanced UV/Vis Photocatalysis and Optical Properties
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Full Solution-Processed Synthesis and Mechanisms of a Recyclable and Bifunctional Au/ZnO Plasmonic Platform for Enhanced UV/Vis Photocatalysis and Optical Properties

机译：增强的UV / Vis光催化和光学性能的可循环利用的双功能Au / ZnO等离子体平台的全溶液处理合成及其机理

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The synthesis of noble metal/semiconductor hybrid nanostructures for enhanced catalytic or superior optical properties has attracted a lot of attention in recent years. In this study, a facile and all-solution-processed synthetic route was employed to demonstrate an Au/ZnO platform with plasmonic-enhanced UV/Vis catalytic properties while retaining strengthened luminescent properties. The visible-light response of photocatalysis is supported by localized surface plasmon resonance (LSPR) excitations while the enhanced performance under UV is aided by charge separation and strong absorption. The enhancement in optical properties is mainly due to local field enhancement effect and coupling between exciton and LSPR. Luminescent characteristics are investigated and discussed in detail. Recyclability tests showed that the Au/ZnO substrate is reusable by cleaning and has a long shelf life. Our result suggests that plasmonic enhancement of photocatalytic performance is not necessarily a trade-off for enhanced near-band-edge emission in Au/ZnO. This approach may give rise to a new class of versatile platforms for use in novel multifunctional and integrated devices.
机译：近年来，用于增强催化或优异光学性能的贵金属/半导体杂化纳米结构的合成引起了很多关注。在这项研究中，采用一种简便且经过全溶液处理的合成路线来证明Au / ZnO平台具有等离子体增强的UV / Vis催化性能，同时保留增强的发光性能。局部表面等离子体共振（LSPR）激发支持光催化的可见光响应，而电荷分离和强吸收则有助于提高UV下的性能。光学性质的增强主要归因于局部场增强效应以及激子与LSPR之间的耦合。对发光特性进行了详细研究和讨论。可回收性测试表明，Au / ZnO基材可通过清洗重复使用，并且具有较长的保存期限。我们的结果表明，等离子增强光催化性能不一定是增强Au / ZnO中近带边缘发射的折衷方案。这种方法可能会产生一类新的通用平台，用于新颖的多功能和集成设备。

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