Model Polymer Thin Films To Measure Structure and Dynamics of ...

Solvent quality influences surface structure of glassy polymer thin ...

V. II. MODEL. We studied thin films of a model glass-forming flexible polymer. Each polymer chain consisted of N identical repeat units ...

Polymer surface and thin film vibrational dynamics of poly„methyl ...

As a result, a description of what we can uniquely measure with HAS is presented. HAS has tradition- ally been used to investigate the structure and dynamics of.

Tuning star architecture to control mechanical properties and impact ...

Controlling the response of thin films under impact by manipulating their molecular structure is a key challenge for materials science ...

Property changes in thin polymer films - Emory Physics

Polymer systems have been studied to the greatest extent because of the ease with which ultrathin films of known thickness can be made, and for their ...

Flow in thin polymer films: molecular structure, initial conditions, and ...

The effect of molecular anisotropy is studied by examining the dynamics of partially wetting diblock copolymer droplets using optical microscopy. The shape of ...

How Does Monomer Structure Affect the Interfacial Dynamics of ...

on the dynamics of thin polymer films. One approach would be the systematic tuning of model parameters (such as the backbone and side group ...

Dynamics and Structure Formation of Confined Polymer Thin Films ...

The stability/instability behavior of polystyrene (PS) films with tunable thickness ranging from higher as-cast to lower residual made on Si substrates with ...

Polymer films of nanoscale thickness: linear chain and star-shaped ...

Applications of polymer thin films include functional coatings, flexible electronics, membranes and energy conversion. The physical properties of polymer ...

A Molecular Dynamics Study of Mechanical and Conformational ...

Equation 11 has been successfully implemented to quantify the Young's modulus of conjugated polymer complex thin film of PEDOT:PSS.56 It is ...

Universal dynamics of coarsening during polymer-polymer thin-film ...

... structure by measuring the two-time x-ray intensity fluctuation correlation functions. Using these two-time correlation functions we quantify ...

Intramolecular dynamic coupling slows surface relaxation of polymer ...

Here, the exponent δ is set to 1. Fitting each ΔTg – h curve with Eq. 2 produces an A value, which quantifies the effect of thin film ...

Why we need to look beyond the glass transition ... - PNAS

Our results emphasize the limitations of using T g to infer changes in the dynamics of polymer thin films. However, we show that the thermodynamic and dynamic ...

Publications | POLYMER NANODESIGN GROUP

Swelling of Star Polymer Thin Films Exposed to Supercritical Carbon Dioxide (Ayse Caglayan, Sushil K. Satija, David Uhrig, Kunlun Hong, Tadanori Koga, Bulent ...

Riggleman Lab / Research - University of Pennsylvania

We call this framework polymer nanocomposite field theory (PNC-FT); it is a generalization of the prior hybrid particle/field theory pioneered by Sides et al., ...

Elastic Moduli of Ultrathin Amorphous Polymer Films

3 While a number of experimental methods are available for measuring the mechanical properties of thin polymer films, including methods based on indentation,4,5.

Article - National Science Foundation

This Article demonstrates the use of magneto-Archimedes levitation. (MagLev) to estimate the density of thin films of hydrophobic polymers.

Mobility on Different Length Scales in Thin Polymer Films

Molecular layers in thin supported films exhibit the same scaling as the bulk between slow relaxation and vibrational dynamics. · Materials Science, Physics.

Progresses in the glass transition and molecular dynamics of thin ...

The studies of the molecular dynamic in polymer thin film are of significant importance both in term of optimizing the physical properties of polymer ...

Nanoscale Characterization of Polymer Thin Films with AFM

Some of the tools used to characterize polymer thin films are scanning probe microscopy (SPM) and scanning tunneling microscopy (STM). Both ...

Local dynamic mechanical properties in model free-standing ...

Recent experimental studies suggest that the overall stiffness of glassy polymer thin films remains comparable to that of the bulk for film thicknesses in the ...