| 摘要 |
A material is manufactured from a single piece of semiconductor material. The material manufactured includes a top layer of a semiconductor compound and a bottom layer of a semiconductor bulk. The material may also have an intrinsic semiconductor layer. The material is created from a transformative process on the single-piece semiconductor material caused by heating a semiconductor material having an impurity under particular conditions. The material manufactured exhibits photovoltaic properties because the layers formed during the transformative process create a p-i-n, a p-n, or an n-n junction having a band-gap difference between the n-type layers.
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