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首页> 外文期刊>Environmental Science & Technology >Actinide sequestration using self-assembled monolayers on mesoporous supports
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Actinide sequestration using self-assembled monolayers on mesoporous supports

机译：使用自组装单分子膜在介孔载体上隔离系元素

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Surfactant templated synthesis of mesoporous ceramics provides a versatile foundation upon which to create high efficiency environmental sorbents. These nanoporous ceramic oxides condense a huge amount of surface area into a very small volume. The ceramic oxide interface is receptive to surface functionalization through molecular selfassembly. The marriage of mesoporous ceramics with selfassembled monolayer chemistry creates a powerful new class of environmental sorbent materials called selfassembled monolayers on mesoporous supports (SAMMS). These SAMMS materials are highly efficient sorbents whose interfacial chemistry can be fine-tuned to selectively sequester a specific target species, such as heavy metals, tetrahedral oxometalate anions, and radionuclides. Details addressing the design, synthesis, and characterization of SAMMS materials specifically designed to sequester actinides, of central importance to the environmental cleanup necessary after 40 years of weapons-grade plutonium production, as well as evaluation of their binding affinities and kinetics are presented.
机译：表面活性剂模板化介孔陶瓷的合成为创建高效环境吸附剂提供了广泛的基础。这些纳米多孔陶瓷氧化物将大量的表面积冷凝成非常小的体积。陶瓷氧化物界面可通过分子自组装接受表面功能化。中孔陶瓷与自组装单分子层化学的结合创造了一种功能强大的新型环境吸附材料，称为中孔载体上的自组装单分子层（SAMMS）。这些SAMMS材料是高效吸附剂，可以对其界面化学进行微调，以选择性地螯合特定的目标物种，例如重金属，四面体金属氧酸盐阴离子和放射性核素。本文介绍了详细的设计，合成和表征专门用于螯合act系元素的SAMMS材料的详细信息，这些信息对于武器级p生产40年后必须进行的环境清洁以及评估其结合亲和力和动力学至关重要。

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