化学
纳米颗粒
降水
扩散
粒子(生态学)
化学物理
纳米技术
粒径
离子
化学工程
热力学
有机化学
物理化学
物理
地质学
工程类
气象学
海洋学
材料科学
作者
István Lagzi,Bartłomiej Kowalczyk,Bartosz A. Grzybowski
摘要
Functionalized nanoparticles (NPs) serve as building blocks of self-organizing chemical patterns comprising periodic zones of nanoparticle precipitation. In contrast to ions, which underlie most pattern-forming chemical systems and whose properties cannot be readily modified, NPs allow for flexible adjustment of particle charges and/or material properties. In particular, changes in the particle charges control the precipitation behavior and ultimately the morphologies of the emerging patterns. The phenomenon of NP-based periodic precipitation is explained by reaction−diffusion modeling and can be used for the fractionation of NPs of different sizes.
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