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A general strategy to incorporate a wide range of metallic salts into ring-like organized nanostructures via polymer self-assembly

机译:通过聚合物自组装将多种金属盐掺入环状有组织纳米结构的一般策略

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A new approach for surface nanostructuring was innovated by means of metallic nanoparticles organized in a thin homopolymer film (PMMA) on a silicon substrate. The originality of this simple self-assembly is that a film of polymer drilled by metallic nanoparticle (MNP) rings was fabricated in one step, in addition no reducing agent was used nor was preliminary functionalization of the surface carried out. Moreover, the deep understanding of the self-assembly mechanism and the influence of various physicochemical parameters involved tend to introduce into the fabrication process a wide range of metallic salts “M ~( n +) (NO _(3) ~(?) ) _( n ) ” where M ~( n +) is Ag ~(+) , Au ~(3+) , Mn ~(2+) , Mg ~(2+) , Cr ~(3+) , Cu ~(2+) , Ni ~(2+) , Eu ~(3+) , Pr ~(3+) , Nd ~(3+) , Sm ~(3+) , Tb ~(3+) , Dy ~(3+) , Tm ~(3+) , Ca ~(2+) , Fe ~(3+) , Co ~(2+) , Zn ~(2+) , Al ~(3+) . Finally, to illustrate the potential of our nanofabrication approach, an example of the SERS application of Silver NPs is given, where the detection limit of crystal violet was shown to reach 10 ~(?15) M.
机译:通过在硅衬底上的薄均聚物膜(PMMA)中组合的金属纳米颗粒,创新了表面纳米结构的新方法。这种简单的自组装的原创性是通过金属纳米颗粒(MNP)环钻的聚合物薄膜在一步中制造,此外,没有使用还原剂,也没有对表面进行的表面进行初步官能化。此外,对自组装机制的深刻理解和各种物理化学参数的影响倾向于引入制造过程中的宽范围的金属盐“m〜(n +)(no _(3)〜(?)) _(n)“其中M〜(n +)是Ag〜(+),Au〜(3+),Mn〜(2+),mg〜(2+),Cr〜(3+),Cu〜( 2+),Ni〜(2+),Eu〜(3+),pr〜(3+),nd〜(3+),sm〜(3+),tb〜(3+),dy〜(3 +),TM〜(3+),Ca〜(2+),Fe〜(3+),Co〜(2+),Zn〜(2+),Al〜(3+)。最后,为了说明我们的纳米制作方法的潜力,给出了银NPS的SERS施加的一个例子,其中晶体紫的检测极限显示为达到10〜(?15)米。

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