Novel Excitonic Solar Cells in Phosphorene-TiO2 Heterostructures with Extraordinary Charge Separation Efficiency.

@article{Zhou2016NovelES,
  title={Novel Excitonic Solar Cells in Phosphorene-TiO2 Heterostructures with Extraordinary Charge Separation Efficiency.},
  author={Liujiang Zhou and Jin Zhang and Zhiwen Zhuo and Liangzhi Kou and Wei Ma and Bin Shao and Aijun Du and Sheng Meng and Thomas Frauenheim},
  journal={The journal of physical chemistry letters},
  year={2016},
  volume={7 10},
  pages={1880-7}
}
Constructing van der Waals heterostructures is an efficient approach to modulate the electronic structure, to advance the charge separation efficiency, and thus to optimize the optoelectronic property. Here, we theoretically investigated the phosphorene interfaced with TiO2(110) surface (1L-BP/TiO2) with a type-II band alignment, showing enhanced photoactivity. The 1L-BP/TiO2 excitonic solar cell (XSC) based on the 1L-BP/TiO2 exhibits large built-in potential and high power conversion… CONTINUE READING

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