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During stability testing of organic light-emitting diodes (LEDs), a large amount of current (charge) injected into the LED cells raises the cell temperature quite a bit. The morphology of the organic thin films may have changed and formed the excimer and exciplex between different molecules. To keep the excimer and exciplex from forming during the driving test, the organic molecules should give steric...
We have studied optical properties of Si-backbone ladder and network polymers. The backbones of the ladder and network Si polymers are constructed by the organosilicon units with three Si Si bonds, and these Si polymers exhibit broad photoluminescence spectra in the visible region. These luminescence properties are entirely different from those of the chain structure constructed by the organosilicon...
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