Polymer nanocomposite dielectrics: understanding the matrix/particle interface

S Wang, Z Luo, J Liang, J Hu, N Jiang, J He, Q Li - ACS nano, 2022 - ACS Publications
Polymer nanocomposite dielectrics possess exceptional electric properties that are absent
in the pristine dielectric polymers. The matrix/particle interface in polymer nanocomposite …

Relaxation behavior of polymer thin films: Effects of free surface, buried interface, and geometrical confinement

B Li, S Zhang, JS Andre, Z Chen - Progress in Polymer Science, 2021 - Elsevier
The glass transition temperature (T g) of polymer thin films, one of the most important
parameters to characterize the relaxation behavior of polymer chains in a thin film, has been …

Studying polymer surfaces and interfaces with sum frequency generation vibrational spectroscopy

X Lu, C Zhang, N Ulrich, M **ao, YH Ma… - Analytical …, 2017 - ACS Publications
Usually a surface or an interface is well-defined with little diffusion from one side of the
surface or interface to the other, with the length scale being on the order of one to several …

Metastable polymer adsorption dictates the dynamical gradients at interfaces

H Tian, C Bi, Z Li, C Wang, B Zuo - Macromolecules, 2023 - ACS Publications
Polymer adsorption proceeds through a wide variety of metastable states due to kinetic
constraints originating from the pinning of segments on solid interfaces, creating an …

Untangling the effects of chain rigidity on the structure and dynamics of strongly adsorbed polymer melts

JMY Carrillo, S Cheng, R Kumar, M Goswami… - …, 2015 - ACS Publications
We present a detailed analysis of coarse-grained molecular dynamics simulations of
semiflexible polymer melts in contact with a strongly adsorbing substrate. We have …

Structure of the Poly (methyl methacrylate) Adsorbed Layer Determined by the Surface Chemistry of the Substrate

W Ren, Y Hong, H Wei, J Xu, C Zhang, X Zhou… - …, 2023 - ACS Publications
The adsorbed polymer layer on the inorganic solid surface is crucial in improving the
physical properties of composite nanomaterials; therefore, the properties could be tuned by …

Dynamics gradient of polymer chains near a solid interface

HK Nguyen, S Sugimoto, A Konomi, M Inutsuka… - ACS Macro …, 2019 - ACS Publications
The relaxation dynamics of polyisoprene (PI) and nitrile butadiene rubber (NBR) chains at
the SiO2 interface were directly probed as a function of distance from the SiO2 surface using …

Flattening process of polymer chains irreversibly adsorbed on a solid

M Sen, N Jiang, J Cheung, MK Endoh, T Koga… - ACS Macro …, 2016 - ACS Publications
We report the structural relaxation process of irreversibly adsorbed polymer chains via
thermal annealing that lie flat on a solid (“flattened chains”). Amorphous polystyrene and …

Observing a chemical reaction at a buried solid/solid interface in situ

B Li, JS Andre, X Chen, B Walther, R Paradkar… - Analytical …, 2020 - ACS Publications
Chemical reactions are the most important phenomena in chemistry. However, chemical
reactions at buried solid/solid interfaces are very difficult to study in situ. In this research, the …

Enhanced thermal stability of polystyrene by interfacial noncovalent interactions

Y Hong, Y Li, F Wang, B Zuo, X Wang, L Zhang… - …, 2018 - ACS Publications
The local conformation of polystyrene (PS) and deuterated PS at the interface with quartz
substrates, which were covered with phenyl groups using phenyltrimethoxysilane (PTS) …