Organic Transistor Could Outshine OLEDs

”The light-emitting transistor is a remarkably versatile device architecture,” says Alan Heeger, a physics professor at the University of California, Santa Barbara. Heeger’s lab developed an OLET inverter circuit earlier, but its quantum efficiency was much lower. He called the 5 percent external quantum efficiency ”remarkable,” because it suggests that nearly 100 percent of the carriers in the emissive layer are emitting photons. ”If that is indeed true,” Heeger says, ”they have made an important step forward.”

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