Deep Ultraviolet LEDs
Understanding the Low External Quantum Efficiency
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Beschreibung
This book highlights the origin of low external quantum efficiency for deep ultraviolet light-emitting diodes (DUV LEDs). In addition, it puts forward solutions for increasing the internal quantum efficiency and the light extraction efficiency of DUV LEDs. The book chiefly concentrates on approaches that can be used to improve the crystalline quality, increase carrier injection, reduce the polarization-induced electric field within multiple quantum wells, suppress the TM polarization emission, and enhance the light escape from the semiconductor layer. It also demonstrates insightful device physics for DUV LEDs, which will greatly benefit the optoelectronic community.
Autor*in
Zi-Hui Zhang
Themen in »Deep Ultraviolet LEDs«
LED Epitaxy Crystalline Quality Light Extraction Efficiency Internal Quantum Efficiency Carrier Injection Multiple Quantum Wells Colloidal Quantum Dots Polarization Induced Electric Field Photonic Crystals Solid-State Lighting Core-shell technology