首页|Effect of defective structure taking on the electronic and optical properties of InP nanowire
Effect of defective structure taking on the electronic and optical properties of InP nanowire
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NSTL
Elsevier
The effect of defective structure taking on the electronic and optical properties of InP nanowire has been investigated. The substitutional and the interstitial doping (X-In, X-P, X-in, X = Zn, Ga, Ge, As, Se) are considered as the defective structures. The results suggested that Zn-In and Ga-In doping induce acceptor levels. Ge-In, As-In and Se-In doping induce donor levels. The Ga-in, Ge-in, As-in and Sein doping induce both donor and acceptor levels, which formed a bridge effect of impurity bands and an orbital hybridization. The absorptive spectra implied that their optical absorption appears an enhanced trend after X-In and X-P doping in the subsurface layer meanwhile the absorption of X-In and XP doping in the core layer are lower than that of original InP nanowire. Therefore, the absorptive property can be improved by X-In and XP doping in the subsurface layer or by Xin interstitial doping.