近红外量子剪裁能够有效地提高硅太阳能电池的效率。稀土元素种类繁多,能级丰富,常被用于制作近红外量子剪裁发光材料。研究者们用适当的方法制成发光材料之后,测量材料的吸收光谱,激发光谱和发射光谱。根据这些数据计算得到材料的量子效率。其中Tb~(3+)-Yb~(3+)离子对备受关注。Tb~(3+)吸收紫外-可见光,通过协同能量传递把能量传递给Yb~(3+)离子。Yb~(3+)离子跃迁辐射出1000 nm左右的近红外光。该波段的光子能够被硅太阳能电池吸收利用。Tb~(3+)-Yb~(3+)离子对在不同掺杂浓度,不同基质中得到的量子效率不同。 Near infrared quantum cutting can effectively improve the efficiency of silicon solar cells. A wide range of rare earth elements, rich energy levels, often used in the production of near-infrared quantum cutting luminescent materials. After the researchers made the luminescent material by appropriate methods, the absorption, excitation and emission spectra of the material were measured. Based on these data, the quantum efficiency of the material was calculated. Among them, Tb ~ (3 +) - Yb ~ (3+) ion has attracted much attention. Tb 3+ absorbs UV-Vis light and transfers energy to Yb 3+ ions by synergistic energy transfer. The Yb ~ (3 +) ion transition emits near-infrared light at about 1000 nm. The band of photons can be absorbed by the silicon solar cells. The Tb ~ (3 +) - Yb ~ (3+) ion pairs have different quantum efficiency in different doping concentration and matrix.