Doped Nanocrystals: A New Class of Phosphors and Scintillators

本小型企业创新研究一期项目拟制备一类新型超快、高效的荧光粉和闪烁体材料。为了重新获得显示器的竞争优势，荧光粉必须在低电压和高电流下快速高效。利用纳米晶体技术（NCT）开发的高效、超快荧光粉将显著改善上述性能。NCT将开发高效、超快的稀土掺杂纳米晶体（DNC）荧光体，发射蓝、绿、红线。DNC荧光粉的独特特性可能导致具有高对比度和高分辨率的高成本效益，扁平轻薄，明亮的显示器。除了显示应用外，高效DNC荧光粉的超快速度可以导致极快的闪烁体材料。在提议的第一阶段工作中，NCT将使用室温化学制备技术开发和表征可见光线发射荧光粉。将这项工作扩展到第二阶段将包括这些荧光粉在显示和闪烁体系统中的性能评估。

This Small Business Innovation Research Phase I project proposes to prepare a new class of ultrafast, efficient phosphor and scintillator materials. To regain the competitive edge in displays, the phosphors must be fast and efficient at low voltages and high currents. The efficient and ultrafast phosphors developed by Nanocrystals Technology (NCT), will improve the above properties significantly. The NCT will develop efficient and ultrafast blue, green and red line-emitting rare-earth doped nanocrystalline (DNC) phosphors. The unique properties of the DNC phosphors could lead to a cost-effective, flat-slim, bright display with high-contrast and high-resolution. In addition to display applications, the ultrafast speed in efficient DNC phosphors can lead to extremely fast scintillator materials. During the proposed Phase I effort, NCT will develop and characterize the visible line-emitting phosphors using room temperature chemical preparative techniques. The extension of this work to Phase II will include the performance evaluation of these phosphors in display and scintillator systems.