From the results of PLE experiment, a large Stokes shift (SS) was observed.The large Stokes shift can be attributed to the variation in indium composition or the quantum confined Stark effect (QCSE).

• 透过光激萤光激发实验，我们观察到很大的史托克位移，这主要是由于铟浓度变化与量子局限史塔克效应的影响。