| 초록 |
InP quantum dots (QDs) are non-toxic emitters, which are considered an alternative to CdSe-based QDs. However, the limited choice and high cost of P precursors have a negative impact on their practical applicability. Here, we report the largescale synthesis of highly luminescent InP@ZnS QDs from an elemental P precursor (P4), which was simply synthesized via the sublimation of red P powder. In addition, all-inorganic perovskite quantum dots (PeQDs) based light-emitting devices (LEDs) was fabricated using CsPbX3 QDs by a solid-state ligand exchange with aromatic acid/amine.The improvement in the overall photoemission efficiency of the resulting LED was confirmed under red, green, and blue conditions, demonstrating the luminance of 1889 cd/m2 and a current efficiency of 6.28 cd/A was achieved. |
