exciton

n.激子

Then, the bipolaron hit the triplet exciton and converts to two polarons. 然后，双极化子会碰上三重态激子转化成两个极化子。

Because of this large binding energy, the exciton is stable at room temperature even in bulk crystals. 正是由于它高的激子结合能，甚至在室温下在大体积的晶体中激子仍很稳定。