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Electrospraying of colloidal nanoparticles for seeding of nanostructure growth

机译:电喷雾胶体纳米颗粒用于播种纳米结构

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摘要

Nanometre-sized particles (1-100 nm) have unique properties receiving growing attention in wide areas of research. Here, a convenient method to deposit size-selected nanoparticles on surfaces by means of electrospraying colloidal suspensions in the aerosol phase is presented. We demonstrate the deposition of individual nanoparticles and the feasibility of this method in seeding gold particles for nanostructure growth. An advantage of the present method is the easy set-up and operation, using only commercially available machinery and substances. Problems regarding low deposition rates and colloidal remnants are approached, e.g. the aerosol flow is examined in a differential mobility analyser. This method is not material dependent and could be extended to deposit any colloidal particle.
机译:纳米级颗粒(1-100 nm)具有独特的性能,在广泛的研究领域中受到越来越多的关注。在此,提出了一种通过在气溶胶相中电喷雾胶体悬浮液在表面上沉积尺寸选择的纳米颗粒的便捷方法。我们证明了单个纳米颗粒的沉积以及该方法在为纳米结构生长注入金颗粒中的可行性。本方法的优点是仅使用市售的机器和物质即可容易地设置和操作。解决了关于低沉积速率和胶体残余物的问题,例如。在差动迁移率分析仪中检查气溶胶流量。该方法与材料无关,可以扩展为沉积任何胶体颗粒。

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