Crystallization in thin films of polymer glasses: The role of free surfaces, solid interfaces and their competition
Y Yang, H Tian, S Napolitano, B Zuo - Progress in Polymer Science, 2023 - Elsevier
Polymer coatings of nanometric thickness are about to enter in everyday life as part of a
wide range of applications such as protective layers, stimuli-responsive membranes or as …
wide range of applications such as protective layers, stimuli-responsive membranes or as …
Surface dynamics of glasses
H Tian, Q Xu, H Zhang, RD Priestley, B Zuo - Applied Physics Reviews, 2022 - pubs.aip.org
Two challenging scientific disciplines, ie, the physics of glasses [Anderson, Science 267,
1615 (1995); Kennedy and Norman, Science 309, 75 (2005)] and interface chemistry …
1615 (1995); Kennedy and Norman, Science 309, 75 (2005)] and interface chemistry …
Collective motion in the interfacial and interior regions of supported polymer films and its relation to relaxation
To understand the role of collective motion in the often large changes in interfacial molecular
mobility observed in polymer films, we investigate the extent of collective motion in the …
mobility observed in polymer films, we investigate the extent of collective motion in the …
Enhanced free surface mobility facilitates the release of free-volume holes in thin-film polymer glasses
H Zha, Q Wang, X Wang, D Cangialosi, B Zuo - Macromolecules, 2021 - ACS Publications
The concept of free volume underpins the variations in polymer dynamics. Annihilation of
free-volume holes through diffusion to surfaces has been proposed to determine the …
free-volume holes through diffusion to surfaces has been proposed to determine the …
Thickness of the surface mobile layer with accelerated crystallization kinetics in poly (ethylene terephthalate) films: Direct measurement and analysis
J Xu, Y Li, X Wu, B Zuo, X Wang, W Zhang… - …, 2018 - ACS Publications
Ultrathin polymer films exhibit a liquidlike mobile surface layer near the free surface, which
plays an important role in the size-dependent physical properties of polymer nanomaterials …
plays an important role in the size-dependent physical properties of polymer nanomaterials …
A simulation study on the glass transition behavior and relevant segmental dynamics in free-standing polymer nanocomposite films
In polymer/nanoparticle composite (PNC) thin films, polymer chains experience strong
confinement effects not only at the free surface area but also from nanoparticles (NPs). In …
confinement effects not only at the free surface area but also from nanoparticles (NPs). In …
Cooperativity of dynamics in supercooled polymeric materials and its temperature dependence predicted from a surface controlled model
A Sato, T Sasaki - European Polymer Journal, 2018 - Elsevier
Relation between cooperativity and fragility of segmental dynamics is a crucial issue in
elucidating the viscous slowdown of supercooled polymer liquids. The experimental results …
elucidating the viscous slowdown of supercooled polymer liquids. The experimental results …
A dynamically correlated network model for the collective dynamics in glass-forming molecular liquids and polymers
T Sasaki, Y Tsuzuki, T Nakane - Polymers, 2021 - mdpi.com
The non-Arrhenius behavior of segmental dynamics in glass-forming liquids is one of the
most profound mysteries in soft matter physics. In this article, we propose a dynamically …
most profound mysteries in soft matter physics. In this article, we propose a dynamically …
Capillary deformation of ultrathin glassy polymer films by air nanobubbles
Confined glasses and their anomalous interfacial rheology raise important questions in
fundamental research and numerous practical applications. In this work, we study the …
fundamental research and numerous practical applications. In this work, we study the …
Cooperative strings and glassy dynamics in various confined geometries
Previously, we developed a minimal model based on random cooperative strings for the
relaxation of supercooled liquids in the bulk and near free interfaces, and we recovered …
relaxation of supercooled liquids in the bulk and near free interfaces, and we recovered …