Liu Yu, Ma Caiqing, Yang Yanqiu, Zhao Yuanchun, Wu Shiwei, Wang Jing, Song Peng, Xia Lixin
College of Chemistry, Liaoning University Shenyang 110034 China
Experimental Center of Shenyang Normal University Shenyang 110034 China.
RSC Adv. 2018 Jun 5;8(37):20499-20504. doi: 10.1039/c8ra03326a.
There is much evidence that surface plasmon photocatalytic reactions can occur on organic molecules on metal surfaces. In this paper, we focus on the photocatalytic reaction of 4-ethynylaniline (PEAN) on silver nanoparticles (Ag NPs) in a liquid environment by surface-enhanced Raman spectroscopy (SERS). Our experiments used SERS to characterize ,'-diynylazobenzene produced from PEAN a selective catalytic coupling reaction on Ag NPs. This discovery not only achieved the expected results but also broadens the known plasmon-driven surface catalytic reaction system. In our work, we also regulated the photocatalytic coupling reaction conditions of PEAN on Ag NPs by laser power-dependent and time-dependent SERS spectra.
有许多证据表明，表面等离子体光催化反应可以在金属表面的有机分子上发生。在本文中，我们通过表面增强拉曼光谱（SERS），聚焦于4-乙炔基苯胺（PEAN）在液体环境中银纳米颗粒（Ag NPs）上的光催化反应。我们的实验使用SERS来表征由PEAN在Ag NPs上发生的选择性催化偶联反应生成的,-二炔基偶氮苯。这一发现不仅取得了预期的结果，还拓宽了已知的等离子体驱动的表面催化反应体系。在我们的工作中，我们还通过依赖激光功率和时间的SERS光谱，调节了PEAN在Ag NPs上的光催化偶联反应条件。
