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Selective Formation of Excitons Could Lower OLED Energy Requirements

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TOKYO, June 10, 2019 — Scientists from RIKEN and the University of California, San Diego, in collaboration with international partners, have demonstrated a new way to manipulate the excitons that are essential to the transport of electrons within OLEDs. They showed that the electron transport process accompanying exciton formation in OLEDs can be controlled by manipulating an electron spin inside a molecule. The discovery could significantly reduce the amount of energy that OLEDs require. Schematic image of the measurement; (b) STM image of PTCDA adsorbed on NaCl grown on Ag(111); (c) luminescence spectrum....Read full article

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