Especially, [5, 5]-[5, 5] dumbbell-like C50 fullerene dimer C101 had a larger third-order nonlinear optical polarizability than [2+2]-closed C50 fullerene dimer C100.

• 其中，[5,5]-[5,5]哑铃型二聚物C101有着比[2+2]闭环型二聚物C100更大的三阶非线性极化率。