Solid‐State, Hectogram‐Scale Preparation of Red Carbon Dots as Phosphor for Energy‐Transfer‐Induced High‐Quality White LEDs with CRI of 97 (Small 52/2023)

Fluorescent Carbon Dots In article number 2304123, Zhili Peng and co-workers develop a pre-crystallization-controlled, solid-state synthesis of red carbon dots from o-phenylenediamine on a hectogram scale with a 94% yield. By leveraging the delicate energy transfer between the commercial Y3Al5O12:Ce3+ phosphor and the carbon dots-derived red phosphor, they fabricate white light-emitting diode with an extremely high color rendering index of 97.