A quantum dot light-emitting-diode (QD-LED) with luminescence efficiency enhanced by micron-sized TiO2 photonic crystals with inverse opal structure (μ-iPCs) has been developed for lighting and displays. By introducing μ-iPCs in QD-LEDs, the QD luminescence intensity and the external-quantum-efficiency (EQE) can be enhanced by ∼250% and ∼640%, respectively.
S. Ho and H. Chen, J. Mater. Chem. C, 2020, 8, 4309 DOI: 10.1039/C9TC05434K
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