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Controllable light-induced droplet evaporative crystallization
Soft Matter ( IF 3.4 ) Pub Date : 2021-08-27 , DOI: 10.1039/d1sm00912e
Dongliang Li 1, 2 , Long Jiao 1, 2 , Rong Chen 1, 2 , Xun Zhu 1, 2 , Dingding Ye 1, 2 , Yang Yang 1, 2 , Wei Li 1, 2 , Haonan Li 1, 2 , Qiang Liao 1, 2
Affiliation  

Droplet evaporative crystallization is one of the practical tools for clinical diagnosis, environmental monitoring, and pharmaceutical synthesis. Herein, we proposed a controllable and flexible light strategy to manipulate the droplet evaporative crystallization, in which the photothermal effect of a focused infrared laser actuated intense evaporation to attain the droplet evaporative crystallization. Due to the localized heating effect, not only the droplet evaporative crystallization could be promoted, but also the resultant Marangoni-flow enabled the crystals to be concentrated, exhibiting excellent controllability. Besides, a relationship between the crystallization starting time and the solution concentration/laser power was achieved, which benefited the manipulation of the droplet evaporative crystallization. The light strategy proposed in the present study possesses promising potential for future applications.

中文翻译:

可控光致液滴蒸发结晶

液滴蒸发结晶是临床诊断、环境监测和药物合成的实用工具之一。在此,我们提出了一种可控且灵活的光策略来控制液滴蒸发结晶,其中聚焦红外激光的光热效应驱动强烈蒸发以实现液滴蒸发结晶。由于局部加热效应,不仅可以促进液滴蒸发结晶,而且由此产生的马兰戈尼流使晶体浓缩,表现出优异的可控性。此外,获得了结晶开始时间与溶液浓度/激光功率之间的关系,这有利于液滴蒸发结晶的控制。
更新日期:2021-09-16
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