Jun 16, 2006
True blue electric blue
Wide 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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While this indeed covers an interesting new result in the field, I should mention that one of the earliest – and for a while most active – group dealing with blue LED polymer materials has been that of Prof. Karasz: . A number of novel molecules and them blends were discovered there, paving the way for developing LEDs capable of emitting light in the blue end of the spectrum!
Thanks Zoli. Do you have a link to Karasz’ pioneering work, so I can add it as a footnote here.