Twisted bilayer blue phosphorene: A direct band gap semiconductor

D. A. Ospina, C. A. Duque, J. D. Correa, Eric Suárez Morell

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


© 2016 Elsevier Ltd We report that two rotated layers of blue phosphorene behave as a direct band gap semiconductor. The optical spectrum shows absorption peaks in the visible region of the spectrum and in addition the energy of these peaks can be tuned with the rotational angle. These findings makes twisted bilayer blue phosphorene a strong candidate as a solar cell or photodetection device. Our results are based on ab initio calculations of several rotated blue phosphorene layers.
Original languageAmerican English
Pages (from-to)562-568
Number of pages7
JournalSuperlattices and Microstructures
StatePublished - 1 Sep 2016


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