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Photolysis of 4,4‘-Dithiodipyridine Produces cyclo-Octasulfur Molecules: A Basis for Au/S8 Microcrystalline Systems

The cyclo-octasulfur (S8) molecule is presented as the basis for conductive Au/S8 microcrystalline systems. Photolysis of 4,4‘-dithiodipyridine in pyridine/water solution was used for the production…
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Photoinduced proton transfer in a pyridine based polymer gel.

The calculations and experimental data suggest a central role for the gel solvent molecule as a catalytic agent and proton transfer vehicle and the fact that long-lived paramagnetism may be included among the inducible properties of soft polymer gels is shown.
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Photoactive proton conductor: poly(4-vinyl pyridine) gel.

We describe a hydrogen-bonded poly(4-vinyl pyridine)-based dielectric material, in which conductivity can be induced due to the presence of side-chain protonated species that form spontaneously when…
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White Light and Heat Sensitivity in a Pyridine-Based Polymer Blend

Sensing from the ultraviolet to the infrared is important for a number of scientific and industrial applications. Poly(4-vinyl pyridine) swollen in liquid pyridine functions as a photoconductive gel…
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Acidity of the methyne group of poly(4-vinylpyridine) leads to side-chain protonation in pyridine

Poly(4-vinylpyridine) swollen in pyridine displays changes in electrical conductivity in response to white light and to low level thermal perturbation; protonation of the side-chain nitrogen is…
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Structural and optical properties of poly(4-vinyl pyridine)/pyridine gels

A study of photoinduced processes in pyridine-based gels is presented. Poly(4-vinyl pyridine) dissolved in pyridine with water addition forms a photosensitive material. Under irradiation at the main…
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Photoinduced Pyridine Cleavage-Closure in Viscous Polymer Solutions

We have found that photoinduced pyridine ring cleavage-closure occurs in polymeric viscous solution, because in certain polymer solutions, pyridine can serve as a photo-modulated crosslinker. We…
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Tunable emission in poly(4‐vinylpyridine)‐based gel

We have discovered a new class of smart-gels, poly(4-vinylpyridine) (PVPy) swollen with pyridine (Py), that following photoexcitation (395, 455, 557 nm) emits three independent colors: blue, green,…
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Electrostatically self-assembled poly(4-vinylpyridine-co-vinylpyridinium-chloride)-based LED

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Photo‐Induced Reversible Emission Switching in Pyridine/Europium(III) Chloride/Organic Fluorophore System

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