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New design strategy brightens up the future of perovskite-based light-emitting diodes

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Geekz Snow
New design strategy brightens up the future of perovskite-based light-emitting diodes

Scientists at Tokyo Institute of Technology discover a new strategy to design incredibly efficient perovskite-based LEDs with record-setting brightness by leveraging the quantum confinement effect.

Several techniques for generation of light from electricity have been developed over the years.

Devices that can emit light when an electric current is applied, are referred to as electroluminescent devices, which have become orders of magnitude more efficient than the traditional incandescent light bulb.

A myriad of different types of LED exist nowadays, which has been made possible by advances in our understanding of quantum mechanics, solid-state physics, and the use of alternative materials.

Electroluminescent devices consist of several layers, the most important being the emission layer (EML), which emits light in response to an electric current.

However, current perovskite-based LEDs (PeLEDs) perform poorly compared with organic LEDs, which are typically used to design displays of TVs and smartphones.

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