Water Interactions with Crystalline Polymers with Large Dipoles
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P. A. Dowben
, Luis G. Rosa and C. C. Ilie
We compare the interactions of water with the ferroelectric copolymer poly(vinylidene fluoride (PVDF) – trifluoroethylene (TrFE)) and poly(methylvinylidenecyanide) (PMCV), a strongly dipole ordered polymer. At the microscopic scale, dipole interactions matter and affect the surface chemistry at these polymer surfaces, as does lattice strain caused by water absorption. Light polarization dependent photo-assisted thermal desorption helps demonstrate that water desorption from surface and bulk can be influenced by the formation of electronic metastable states. Changes in local dipole orientation and the formation of long lived metastable states affect the strength of the coupling between the dipoles of water molecules and the dipoles of the copolymer poly(vinylidene fluoride – trifluoroethylene) but these effects were not observed for poly(methylvinylidenecyanide).
© Oldenbourg Wissenschaftsverlag
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Articles in the same Issue
- Preface - Dedicated to Prof. Dr. Michael Grunze on the occasion of his 60th birthday
- Effect of Cysteine vs. Histidine on the Electronic Structure of Zn2+ Upon Complex Formation
- On the Interpretation of Multiple Waves in Cyclic Voltammograms of Self-Assembled Monolayers of n-Alkane Thiols on Gold
- Water Interactions with Crystalline Polymers with Large Dipoles
- Nanometer Resolution Holography with the Low Energy Electron Point Source Microscope
- A Brief Introduction to the Streptavidin-Biotin System and its Usage in Modern Surface Based Assays
- Pure and Molecularly Mixed Methyl- and Hydroxyl-Terminated Self-Assembled Dialkylammonium Monolayers on Mica: Wettability and Conformational Order
- A Quantitative Comparison of the Photophysical Properties of Selected Quantum Dots and Organic Fluorophores
- Power and Wavelength Dependence of Photoenhancement in (CdSe)ZnS-Dopamine in Aqueous Solution and Live Cells
- A “Surface” Model for the Treatment of Local Vibrations in Macromolecular Systems
- CO2 Adlayers on the Mixed Terminated ZnO(10-10) Surface Studied by He Atom Scattering, Photoelectron Spectroscopy and Ab Initio Electronic Structure Calculations
- Metallization of Organic Monolayers: Electroless Deposition of Cu onto Cross-Linked Aromatic Self-Assembled Monolayers
- High Resolution Electron Energy Loss Spectroscopy on Perfect and Defective Oxide Surfaces
- Fabrication of an Amino-Terminated Organic Surface by Chemical Conversion of a Nitro-Terminated Self-Assembled Monolayer