Abstract
This study aims to develop a novel, efficient, and stable red-emitting material using benzoguanamine in which europium (Eu) is doped. We have demonstrated a simple, low-cost, gram-scale manufacturing process via an anneal synthesis method. By changing the Eu-doping concentration from 1 to 20 wt%, we found that the sample containing a Eu-doping concentration of 10 wt% shows the maximum photoluminescence quantum yield peak of 13.7%. Additionally, we confirmed the characteristic luminescence peaks of Eu ions. We also achieved a sharp red emission with a high color purity and a half-peak width of 13 nm. Furthermore, it exhibits high solubility in organic solvents, facilitating its application through wet processes. This new red-emitting material may present a promising solution for cost-effectively fulfilling the demand in flat panel displays and illumination light sources.
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