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Effects of Solution Flow on the Growth of Colloidal Crystals by Nozawa, Jun; Uda, Satoshi; Guo, Suxia; Toyotama, Akiko; Yamanaka, Junpei; Niinomi, Hiromasa; Okada, Junpei is a Materials Science article available to read on EtoBox.

What is Effects of Solution Flow on the Growth of Colloidal Crystals about?

For the versatile potential applications of colloidal crystals, precisely controlling their growth is required to achieve properties such as high crystallinity and large-area crystals. Because colloidal crystallization is a self-assembly process of dispersed particles in a solution, solution flow directly and markedly changes the behavior of particles. Thus, the effects of solution flow on the growth of colloidal crystals were investigated in the present study. We found three different effects of solution flow on the growth of colloidal crystals: enlarging the first layer, facilitating the growth of superlattice structures, and forming a new circular packing structure. Specifically, in the single-component system, because the flow speed is lower closer to the bottom of the cell, the second and further layers dissolve owing to the large flow speed, whereas the first layer remains undissolved at the appropriate flow speed. The dissolved particles (particles that are detached from the crystals and returned back into the aqueous medium) are transported near the first layer, where they facilitate the growth of the first layer. In a binary system, when colloidal crystals with different p

Who reads Effects of Solution Flow on the Growth of Colloidal Crystals?

Author

Nozawa, Jun; Uda, Satoshi; Guo, Suxia; Toyotama, Akiko; Yamanaka, Junpei; Niinomi, Hiromasa; Okada, Junpei

Publisher

American Chemical Society; American Chemical Society (ACS) (ISSN 0743-7463)

Published

2020

Language

EN

Field

Materials Science (Physical Sciences)