置于石英基底上的纳米结构胶体溶液液滴蒸发过程中的颗粒自组织

IF 0.6 4区 物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY
I. V. Moryakov, Z. A. Zakletsky, N. G. Gusein-zade, A. M. Anpilov
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引用次数: 0

摘要

摘要 本文介绍了一项关于纳米碳在乙醇中的胶体溶液液滴从石英玻璃表面蒸发过程中产生的自组织过程的实验研究。讨论了胶体溶液中蒸馏水含量和基底上的温度梯度对纳米粒子及其团聚体在液滴与表面接触面积上的分布的影响。从传质的角度研究和描述了多组分液滴的蒸发,确定了液滴中流体运动的特征机制是纳米碳纳米粒子运动的主要原因。详细分析了通过液滴涂层沉积的纳米层和纳米粒子团聚体,并确定了基底温度和纯水含量的最佳条件,在这些条件下,液滴与基底的接触区域内纳米粒子的空间分布最为均匀,同时还确定了纳米粒子团聚体空间均匀分布(大于 10 μm)的其他条件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Self-Organization of Particles during the Evaporation of Droplets of a Colloidal Solution of a Nanostructure Placed on a Quartz Substrate

Self-Organization of Particles during the Evaporation of Droplets of a Colloidal Solution of a Nanostructure Placed on a Quartz Substrate

Self-Organization of Particles during the Evaporation of Droplets of a Colloidal Solution of a Nanostructure Placed on a Quartz Substrate

An experimental study of self-organization processes that arise during evaporation of droplets of a colloidal solution of nanocarbon in ethanol from the surface of quartz glass is presented. The influence of the distilled-water content in the colloidal solution and the temperature gradient on the substrate on the distribution of nanoparticles and their agglomerates over the contact area of the drop with the surface are discussed. The evaporation of a multicomponent droplet is examined and described from the viewpoint of mass transfer by identifying the characteristic mechanisms of fluid motion in the droplet as the main cause of motion of nanocarbon nanoparticles. A detailed analysis of nanolayers and nanoparticle agglomerates deposited by droplet coating is performed, and the optimal conditions in terms of the substrate temperature and the pure-water content are determined, under which the most uniform spatial distribution of nanoparticles over the contact area of the droplet with the substrate is observed, as well as additional regimes with spatially uniform distributions of nanoparticle agglomerates (more than 10 μm).

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来源期刊
Bulletin of the Lebedev Physics Institute
Bulletin of the Lebedev Physics Institute PHYSICS, MULTIDISCIPLINARY-
CiteScore
0.70
自引率
25.00%
发文量
41
审稿时长
6-12 weeks
期刊介绍: Bulletin of the Lebedev Physics Institute is an international peer reviewed journal that publishes results of new original experimental and theoretical studies on all topics of physics: theoretical physics; atomic and molecular physics; nuclear physics; optics; lasers; condensed matter; physics of solids; biophysics, and others.
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