对于相同波长激光激发叶绿素分子情况，在不同溶剂中的内转换时间有所不同，其内转换时间快慢是由溶剂的偶极矩和溶剂分子的给体数两个参量决定；
The IC time of Chl a in different solvents are different when we use the same wavelength of the exciting laser . The IC time of Chl a in different solvents result from DN and dipole moment of solvent ;
偶极溶剂