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Plasmon-driven surface catalytic reaction of 4-ethynylaniline in a liquid environment

机译:等离子驱动的4-乙炔基苯胺在液体环境中的表面催化反应

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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 p , p ′-diynylazobenzene produced from PEAN via 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.
机译:有很多证据表明,表面等离子体激元光催化反应可以发生在金属表面的有机分子上。在本文中,我们通过表面增强拉曼光谱(SERS)研究了4-乙炔基苯胺(PEAN)在液体环境中对银纳米颗粒(Ag NPs)的光催化反应。我们的实验使用SERS表征了通过在Ag NP上进行选择性催化偶联反应从PEAN产生的p,p'-二炔基偶氮苯。这一发现不仅达到了预期的结果,而且拓宽了已知的等离激元驱动的表面催化反应系统。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 NP上的光催化偶联反应条件。

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