Center for Nanophotonics, FOM Institute AMOLF, Amsterdam, The Netherlands.
ACS Nano. 2013 Jan 22;7(1):15-8. doi: 10.1021/nn305869y. Epub 2013 Jan 2.
Silica-gold core-shell nanoparticles that are immersed in water act as efficient nanoscale generators of steam when illuminated with sunlight. In their paper in this issue of ACS Nano, Halas, Nordlander, and co-workers demonstrate this intriguing phenomenon that results from the nucleation of steam at the surface of individual nanoparticles that are heated by the sun. The same effect is also used to demonstrate distillation of ethanol. The solar steam nanobubble generation phenomenon results from the complex interplay of many different phenomena that occur at the nanoscale, and can find a broad range of applications.
当浸入水中的硅-金核壳纳米粒子被阳光照射时，它们会成为高效的纳米级蒸汽发生器。在本期 ACS Nano 杂志上的论文中，哈拉斯、诺德兰德及其同事证明了这一有趣的现象，即单个纳米粒子在阳光的加热下，其表面的蒸汽会发生成核。同样的效果也被用来演示乙醇的蒸馏。太阳能蒸汽纳米气泡产生现象源于许多不同的纳米级现象的复杂相互作用，并且可以找到广泛的应用。
