Research Article

ZnCuInS/ZnSe/ZnS Quantum Dot-Based Downconversion Light-Emitting Diodes and Their Thermal Effect

Figure 1

The absorption and PL spectra of ZnCuInS/ZnSe/ZnS QDs in chloroform (a); the device structure (b) and the emitting color photograph (c) of QD-LEDs; the TEM images of red (d), yellow (e), and green (f) ZnCuInS/ZnSe/ZnS QDs.