A seed-mediated and double shell strategy to realize large-size ZnSe/ZnS/ZnS quantum dots for high color purity blue light-emitting diodes
Zhiwen Yang, Qianqian Wu, Xiaochuan Zhou, Fan Cao, Xuyong Yang, Jianhua Zhang, Wanwan Li
Abstract
Blue ZnSe/ZnS/ZnS quantum dots were prepared using a seed-mediated and double shell strategy, and the quantum dot-based light-emitting diode with electroluminescence spectrum peaked at 446 nm and full widths at half-maximum of 16 nm was fabricated.
Topics & Concepts
Quantum dotElectroluminescenceOptoelectronicsMaterials scienceLight-emitting diodeBlue lightDiodeShell (structure)BlueshiftFull colorPhotoluminescenceNanotechnologyLayer (electronics)Composite materialQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin FilmsPerovskite Materials and Applications