首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Total Internal Reflection Transient Absorption Microscopy: An Online Detection Method for Microfluidics
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Total Internal Reflection Transient Absorption Microscopy: An Online Detection Method for Microfluidics

机译:全内反射瞬态吸收显微镜:微流体的在线检测方法

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摘要

Microreactors have garnered widespread attention for their tunability and precise control of synthetic parameters to efficiently produce target species. Despite associated advances, a lack of online detection and optimization methods has stalled the progression of microfluidic reactors. Here we employ and characterize a total internal reflection transient absorption microscopy (TIRTAM) instrument to image excited state dynamics on a continuous flow device. The experiments presented demonstrate the capability to discriminate between different chromophores as well as in differentiating the effects of local chemical environments that a chromophore experiences. This work presents the first such online transient absorption measurements and provides a new direction for the advancement and optimization of chemical reactions in microfluidic devices.
机译:MicroreActors已经获得了广泛的关注它们的可调性和精确控制合成参数,以有效地产生目标物种。 尽管有相关的进展,但缺乏在线检测和优化方法已经停滞了微流体反应器的进展。 在这里,我们采用并表征全内反射瞬态吸收显微镜(Tirtam)仪器在连续流动装置上以图像激发状态动态。 提出的实验证明了区分不同发色团的能力,以及区分了发色团经历的局部化学环境的影响。 这项工作提出了第一个这样的在线瞬态吸收测量,并为微流体装置中的化学反应进行了进步和优化的新方向。

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