Fig. 1From: Liquid Type Nontoxic Photoluminescent Nanomaterials for High Color Quality White-Light-Emitting DiodeTop panel: a (left) glass package assembly showing a liquid-type P-Si QD and a nitrogen-doped GQD and (right) a network of P-Si QDs and nitrogen-doped GQDs. Bottom panel: absorption (black solid line), PL excitation (dashed line), and PL emission (solid line) spectra of b GQD1, c GQD2, d GQD3, and e P-Si QDBack to article page