使用硅光子微环谐振器对表面引发原子转移自由基聚合进行实时监测：对聚合物刷生长条件组合筛选的启示。
Real-time monitoring of surface-initiated atom transfer radical polymerization using silicon photonic microring resonators: implications for combinatorial screening of polymer brush growth conditions.
机构信息
Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.
出版信息
J Am Chem Soc. 2011 Sep 28;133(38):14864-7. doi: 10.1021/ja205358g. Epub 2011 Sep 7.
Abstract
We directly monitor in parallel and in real time the temporal profiles of polymer brushes simultaneously grown via multiple ATRP reaction conditions on a single substrate using arrays of silicon photonic microring resonators. In addition to probing relative polymerization rates, we show the ability to evaluate the dynamic properties of the in situ grown polymers. This presents a powerful new platform for studying modified interfaces that may allow for the combinatorial optimization of surface-initiated polymerization conditions.
摘要
我们使用硅光子微环谐振器阵列直接在单个衬底上对通过多种原子转移自由基聚合反应条件同时生长的聚合物刷的时间分布进行实时和并行监测。除了探测相对聚合速率外，我们还展示了评估原位生长聚合物动态特性的能力。这为研究修饰界面提供了一个强大的新平台，可能允许对表面引发聚合条件进行组合优化。
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