Self-organization-induced three-dimensional honeycomb pattern in structure-controlled bulky mathacrylate polymers: Synthesis, morphology, and mechanism of pore formation

Article Abstract:

A novel molecular design and three-dimensional honeycomb structures are reported through a self-organization of hydrogen-bonded bulky anchoring group in a methacrylic polymer backbone. It is found that the methacrylate polymers having tricyclodecane and adamantane bulky anchoring groups self-organized to produce three-dimensional honeycomb patterns in tetrahydrofuran-water solvent mixture at ambient conditions, whereas its linear analogues failed to produce any micropattern.

Usage, Polymers, Fourier transform infrared spectroscopy, Methacrylates, Honeycomb structures, Honeycomb structures (Materials)

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Control of molecular structure in the generation of highly luminescent liquid crystalline perylenebisimide derivatives: Synthesis, liquid crystalline and photophysical properties

Article Abstract:

The role of the molecular design on the liquid crystalline and solid-state photoluminescent properties of soluble and thermally liquid crystalline perylenebisimide derivatives is reported. The results demonstrate the importance of molecular design for introducing liquid crystalline phases in perylenebisimides and also the development of novel highly luminescent n-type pi-conjugated material for application in optoelectronics.

Polymer liquid crystals, Liquid crystalline polymers, Nuclear magnetic resonance spectroscopy, Optical properties, Thermal properties, Photoluminescence, Time-of-flight mass spectrometry

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Structure control for fine tuning fluorescence emission from side-chain azobenzene polymers

Article Abstract:

The synthesis of fluorescence azobenzene dyes and side-chain polymers comprising fluorophores like phenol, phenylphenol and naphthol showed phenylphenol to exist in twisted at ground state and more planar geometry in excited state. While naphthol though a better fluorophore, was found to loose its emissive behavior upon coupling to the azobenzene unit.

Fluorescence, Chemical synthesis, Phenyl compounds

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