Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 18, Issue 18, Pages 12414-12418Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cp01869f
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Funding
- PRODEP [DSA/103.5/15/6797]
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The study of black phosphorus nanotubes (PNTs) had been devoted to zigzag and armchair structures, with no consideration of chiral structures to date. In this communication, we studied the structural and electronic (band structure) properties of chiral nanotubes using a periodic plane wave-pseudopotential approach. We found that some chiral nanotubes display similar bandgaps and binding energies per atom (BEA) as armchair PNTs and Born-Oppenheimer molecular dynamics (BOMD) calculations attest their thermal stability. Interestingly, we determined that the bandgap is tuned by varying the PNTs chirality and it is not related to their diameters. This feature can be exploited in optical and electronic applications wherein a direct and sizable bandgap is required.
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