excitonics

例句：

1. 1.Excitonics are a fascinating field of physics that study how light interacts with matter.
   激子是物理学中一个引人入胜的领域，研究光与物质如何相互作用。
2. 2. In excitonics, the energy levels of electrons and holes in a semiconductor can be tuned by adjusting the temperature or doping the material.
   在激子理论中，可以通过调整温度或掺杂材料来调节半导体中电子和空穴的能量水平。
3. 3. The discovery of excitonics has led to breakthroughs in solar cells and other optoelectronic devices.
   激子的发现推动了太阳能电池和其他光电器件的重大突破。