The photoluminescence of porous silicon (PS)was reported and explained as nano meter quantum wire array. Soon after this, Ritcher et al. reported the first porous silicon electroluminescent device. At present, there a...The photoluminescence of porous silicon (PS)was reported and explained as nano meter quantum wire array. Soon after this, Ritcher et al. reported the first porous silicon electroluminescent device. At present, there are several models for the origin of PL phenomenon from porous silicon (cf. Refs. [3—6] ), while most researchers prefer the, quantum wire army (QWA) model. In the QWA model, it is considered that the quantum size effect ex-展开更多
文摘The photoluminescence of porous silicon (PS)was reported and explained as nano meter quantum wire array. Soon after this, Ritcher et al. reported the first porous silicon electroluminescent device. At present, there are several models for the origin of PL phenomenon from porous silicon (cf. Refs. [3—6] ), while most researchers prefer the, quantum wire army (QWA) model. In the QWA model, it is considered that the quantum size effect ex-
