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Revealing microscopic dynamics: in situ liquid-phase TEM for live observations of soft materials and quantitative analysis via deep learning

Authors
Sun, YangyangZhang, XingyuHuang, RuiYang, DahaiKim, JuyeongChen, JunhaoAng, Edison HuixiangLi, MufanLi, LinSong, Xiaohui
Issue Date
Jan-2024
Publisher
Royal Society of Chemistry
Citation
Nanoscale
Indexed
SCIE
SCOPUS
Journal Title
Nanoscale
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/69494
DOI
10.1039/d3nr04480g
ISSN
2040-3364
2040-3372
Abstract
In various domains spanning materials synthesis, chemical catalysis, life sciences, and energy materials, in situ transmission electron microscopy (TEM) methods exert a profound influence. These methodologies enable the real-time observation and manipulation of gas-phase and liquid-phase reactions at the nanoscale, facilitating the exploration of pivotal reaction mechanisms. Fundamental research areas like crystal nucleation, growth, etching, and self-assembly have greatly benefited from these techniques. Additionally, their applications extend across diverse fields such as catalysis, batteries, bioimaging, and drug delivery kinetics. However, the intricate nature of ‘soft matter’ presents a challenge due to the unique molecular properties and dynamic behavior of these substances that remain insufficiently understood. Investigating soft matter within in situ liquid-phase TEM settings demands further exploration and advancement compared to other research domains. This research harnesses the potential of in situ liquid-phase TEM technology while integrating deep learning methodologies to comprehensively analyze the quantitative aspects of soft matter dynamics. This study centers on diverse phenomena, encompassing surfactant molecule nucleation, block copolymer behavior, confinement-driven self-assembly, and drying processes. Furthermore, deep learning techniques are employed to precisely analyze Ostwald ripening and digestive ripening dynamics. The outcomes of this study not only deepen the understanding of soft matter at its fundamental level but also serve as a pivotal foundation for developing innovative functional materials and cutting-edge devices. © 2024 The Royal Society of Chemistry
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