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This approach has been successful for decades in many applications, such as transistors, light-emitting diodes, lasers and quantum devices.

The team first experimentally measured the exciton binding energies for 42 organic semiconductors including 32 solar cell materials, seven organic light-emitting diode materials, and three crystalline compounds of pentacene.

These types of compounds could also be developed for use as light-emitting diodes for television and computer screens, Gilliard says.

Excitons are a key part of many technologies, including solar panels, photodetectors and sensors, as well as light-emitting diodes found in televisions and digital display screens.

Updating streetlights to use light-emitting diodes makes sense.