High scotopic/photopic ratio white-light-emitting diodes integrated with semiconductor nanophosphors of colloidal quantum dots |
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| Authors: | Nizamoglu Sedat Erdem Talha Demir Hilmi Volkan |
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| Affiliation: | Department of Electrical and Electronics Engineering, Department of Physics, and UNAM—Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, Turkey 06800. |
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| Abstract: | We propose and demonstrate single-chip white-light-emitting diodes (WLEDs) integrated with semiconductor nanophosphors of colloidal quantum dots for high scotopic/photopic (S/P) ratio. These color conversion WLEDs achieve S/P ratios over 3.00, which exceeds the current limit of 2.50 in common lighting technologies, while sustaining sufficient levels of color rendering index. |
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