摘要
In this paper, we present a theoretical discussion about colloidal particles transporting to a meniscus deposition region for the vertical evaporation-driven colloidal deposition by the coffee-ring theory. The vertically immersed substrate is gradually exposed with a low speed, and colloidal particles are deposited on the substrate as suspension surface descends. Due to a singular evaporation rate at the contact line, to keep a constant contact angle, a solvent flow toward the meniscus region is formed to replenish lost liquid. This solvent flow results in a particle flow to form a film on the substrate.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 167-170 |
| 页数 | 4 |
| 期刊 | Colloids and Surfaces A: Physicochemical and Engineering Aspects |
| 卷 | 338 |
| 期 | 1-3 |
| DOI | |
| 出版状态 | 已出版 - 15 4月 2009 |
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