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True blue electric blue

polymer-led-mullenWide angle X-ray scattering, photoluminescence, polarizing optical microscopy, differential calorimetry, and dielectric spectroscopy have been used to study the optical properties of a range of blue-light emitting organic compounds. The mechanism of the self-assembly of these oligoindenofluorenes up to the polymer, their thermal properties, and associated molecular dynamics also reveal important clues about their behaviour and potential for applications in organic light-emitting diodes (OLEDS) and other devices.

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