I will summarize our work on the growth of colloidal quantum dots (QDs) using libraries of chalcogenourea derivatives with a wide range of reactivity. A mixture of thio- and selenoureas with precisely defined reactivity can tune the microstructures of CdSe1-xSx alloys and heterostructures in a single synthetic step. When encapsulated in ultra-barrier coatings these materials provide bright, narrow-band luminescence in the red spectral region that can improve the efficiency and the color of warm white solid state lighting devices. The promise of QDs in solid-state lighting applications will be discussed.

Colloidal quantum dot downconverters for colorful and energy efficient solid state lighting

2019 Spring National Meeting

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