Experimental observation of effect of the wall curvature of capillary tube on colloidal crystallization inside the tube

Experimental observation of effect of the wall curvature of capillary tube on colloidal crystallization inside the tube
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毛细管壁曲率对管内胶体结晶影响的实验观察

DOI:
10.1016/j.colsurfa.2020.125294
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发表时间:
2020-07
期刊:
Colloids and Surfaces A: Physicochemical and Engineering Aspects
影响因子:
--
通讯作者:
Shenghua Xu
Shenghua Xu
中科院分区:
其他
文献类型:
--
作者:
Shenwei Wang;Hongwei Zhou;Xiaoan Zhao;Shenghua Xu

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研究了不同曲率半径毛细管中胶体悬浮液的结晶过程。结晶过程中的结构参数,如结晶度,平均晶粒尺寸和晶粒数的演变,由反射光谱结合一个专门开发的数据处理方法。我们发现壁面曲率对结晶过程中的涨落有显著影响,从而影响了结构参数的稳定性,并且随着壁面曲率的减小,这种影响迅速减弱。此外,我们的实验表明,浓度对晶体稳定性的影响很小。
We investigated the crystallization process of colloidal suspensions in capillary tubes with different curvature radius. The evolution of structural parameters during crystallization such as crystallinity, average crystallites size and number of crystallites were determined by the reflection spectrum combined with a specially developed data-handling method. We found that the wall curvature has a significant effect on fluctuation, thus the stability of the structural parameters during crystallization process, and with the decrease of the curvature, this effect quickly weakens. In addition, our experiments showed the concentration has little influence on crystal stability.
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影响因子: --
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