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首页> 外文期刊>Advanced Functional Materials >Surface Plasmons and Visible Light Iniferter Initiated Polymerization for Nanolocal Functionalization of Mesoporous Separation Layers
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Surface Plasmons and Visible Light Iniferter Initiated Polymerization for Nanolocal Functionalization of Mesoporous Separation Layers

机译：表面等离子体和可见光不含导热介孔分离层的纳米拷贝官能化的聚合

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摘要

Although the technological relevance of mesoporous ceramic polymer hybrid materials is well accepted, missing functionalization concepts enabling 3D nanoscale local control of polymer placement into mesoporous materials, including thin films, and ideally using controlled polymerization techniques limit the application potential. Here, nanolocal functionalization of mesoporous separation layers using controlled, visible light iniferter initiated polymerization allowing responsive polymer functionalization locally limited to the irradiated spot is introduced. Thereby, two visible light sensitive iniferters, s-p-trimethoxysilylbenzyl-S '-dodecyltrithiocarbonate and 4-cyano-4-((dodecylsulfanylthiocarbonyl)sulfanyl)pentanoic acid, are developed for polymer functionalization of mesoporous films in a grafting from and a grafting through approach. 3D nanolocal polymer placement close to the proximity of the plasmonic field source is demonstrated by combining these visible light iniferter initiated polymerizations with optical near field modes, such as localized surface plasmon resonance (LSPR). As the location of the LSPR in mesoporous films can be controlled by placing metal alloy nanoparticles into these films and film thicknesses can be adjusted, this strategy is applied for precise positioning of polymers into mesoporous films with nanolocal control in three dimensions and thus reduces the gap in precision of functional group positioning between technological and biological nanopores.
机译：尽管介孔陶瓷聚合物杂交材料的技术相关性得到了很好的接受，但缺失的官能化概念使得将3D纳米级局部控制聚合物放置到中孔材料中，包括薄膜，理想地使用受控聚合技术限制了应用势。这里，引入了使用受控的可见光减少型聚合的中孔分离层的纳米常数官能化，允许局部限制在辐照点局部官能化的响应性聚合物官能化。由此，两个可见光敏感的inferters，S-P-三甲氧基甲硅烷基苄基-S'-二癸酰硫碳酸酯和4-氰基-4-（（十二烷基磺酰硫代羰基）磺酰基）戊酸，用于聚合物官能化的介孔膜的聚合物官能化在接枝和通过方法接枝。通过将这些可见光导火器引发的聚合与光学近场模式相结合来证明靠近等离子体场源接近的3D纳米拷贝聚合物放置，例如局部表面等离子体共振（LSPR）。由于可以通过将金属合金纳米颗粒放入这些薄膜中的LSPR在介孔膜中的位置，并且可以调节膜厚度，将聚合物的精确定位施加到具有三维纳米拷贝的中孔膜中的精确定位，从而降低了间隙技术和生物纳米孔之间的功能群定位精度。

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