Issue 15, 2021

A facile evanescent-field imaging approach for monitoring colloidal gel evolution near a surface

Abstract

A facile evanescent-field imaging approach is developed to probe the aggregation behavior of near-wall colloids/clusters during colloidal gel evolution. Total internal reflection microscope (TIRM) images are directly utilized to access the structural relaxation time via density-fluctuation theory. The behaviors of cluster–cluster aggregation and physical aging of the colloidal gel networks are resolved in both time and space under fractal scaling criteria.

Graphical abstract: A facile evanescent-field imaging approach for monitoring colloidal gel evolution near a surface

Supplementary files

Article information

Article type
Communication
Submitted
03 Mar 2021
Accepted
27 Mar 2021
First published
01 Apr 2021

Soft Matter, 2021,17, 4006-4010

A facile evanescent-field imaging approach for monitoring colloidal gel evolution near a surface

W. Liu, J. Wu, H. Zhu, C. He and T. Ngai, Soft Matter, 2021, 17, 4006 DOI: 10.1039/D1SM00331C

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