Quantum confined acceptors and donors in InSe nanosheets
Quantum confined acceptors and donors in InSe nanosheets
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DOI：
10.1063/1.4903738
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发表时间：
2014-12-01
影响因子：
4
通讯作者：
Falko, V.
中科院分区：
文献类型：
--
作者：
Mudd, G. W.;Patane, A.;Falko, V.
我们报道了光激发载流子结合在天然供体和受体上的辐射重组在名义上未掺杂的菱形γ -多型铟硒的剥落纳米片中。这些态的结合能随着薄片厚度的减小而增加，我们使用杂质的二维氢模型来模拟它们对L的依赖，并表明它们对杂质在纳米层内的位置非常敏感。(c) 2014年作者。除另有说明外，所有文章内容均采用知识共享署名3.0未移植许可协议。
We report on the radiative recombination of photo-excited carriers bound at native donors and acceptors in exfoliated nanoflakes of nominally undoped rhombohedral gamma-polytype InSe. The binding energies of these states are found to increase with the decrease in flake thickness, L. We model their dependence on L using a two-dimensional hydrogenic model for impurities and show that they are strongly sensitive to the position of the impurities within the nanolayer. (c) 2014 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.