等离激元促进光电化学生物传感

Plasmon-boosted photoelectrochemical biosensing

光电化学传感技术具有优异的分析性能,在分析化学领域发展迅速。其中,光电活性材料的选择和合理设计对于实现高效的光电化学传感至关重要。贵金属纳米颗粒具有局域表面等离激元共振效应的优异光响应性质,已在光电化学传感领域得到了越来越多的应用。本文介绍了等离激元金属纳米材料在光电化学中的传感机制,分别总结了等离激元金属纳米材料直接和间接应用于光电化学传感的研究进展。最后,对等离激元金属纳米材料用于光电化学传感的发展前景进行了展望。

Photoelectrochemical sensing technology is developing rapidly in the field of analytical chemistry due to its excellent analytical performance, and the selection and reasonable design of photoelectroactive materials are of great importance for the realization of efficient photoelectrochemical sensing. Noble metal nanoparticles, with the remarkable optical property of localized surface plasmon resonance effect, have been increasingly used in the field of photoelectrochemical sensing. In this review, the sensing mechanism of plasmonic metal nanomaterials in photoelectrochemistry is firstly introduced, and the research progress of plasmonic metal nanomaterials for direct and indirect applications in photoelectrochemical sensing is summarized. Finally, the prospect of the development of plasmonic metal nanomaterials for photoelectrochemical sensing is presented.