Fabrication and characterization of quantum dot-based LEDs with enhanced emission properties by micro cavities

Jörn Langenickel; Luis Paniagua Rodríguez; Jörg Martin; Martin Möbius; Dirk Michaelis; Peter Munzert; Alexander Weiß; Norbert Danz

doi:10.1117/12.3002669

13 March 2024 Fabrication and characterization of quantum dot-based LEDs with enhanced emission properties by micro cavities

Jörn Langenickel, Luis Paniagua Rodríguez, Jörg Martin, Martin Möbius, Dirk Michaelis, Peter Munzert, Alexander Weiß, Norbert Danz

Author Affiliations +

Proceedings Volume 12906, Light-Emitting Devices, Materials, and Applications XXVIII; 129060A (2024) https://doi.org/10.1117/12.3002669
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

This paper presents a novel approach to enhance the performance of Quantum dot (QD) based light-emitting diodes (LEDs) by incorporating Bragg resonator substrates. By depositing QD-LED layer stacks on tailored Bragg resonator substrates, the emission spectrum of red-emitting QD-LEDs is narrowed to less than 20 nm, and the emission pattern becomes more directional. Additionally, the modulation characteristics of QD-LEDs on Bragg-substrates are investigated. These findings demonstrate the potential to improve the usability of QD-LEDs in displays, lighting, and sensing applications.

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Jörn Langenickel, Luis Paniagua Rodríguez, Jörg Martin, Martin Möbius, Dirk Michaelis, Peter Munzert, Alexander Weiß, and Norbert Danz "Fabrication and characterization of quantum dot-based LEDs with enhanced emission properties by micro cavities", Proc. SPIE 12906, Light-Emitting Devices, Materials, and Applications XXVIII, 129060A (13 March 2024); https://doi.org/10.1117/12.3002669

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