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A novel borophene featuring heptagonal holes: a common precursor of borospherenes

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Abstract

We propose a novel stable borophene (referred to as H-borophene) by tiling seven-membered rings side by side, which is a novel construction pattern never reported in boron sheets or other sheets. It is able to serve as the common precursor of borospherenes (e.g., B39, B40, B41+, and B422+). Interestingly, a Dirac point appeared at about 0.33 eV below the Fermi level. We found that nanotubes formed by rolling up H-borophene had a great advantage over other boron nanotubes in the case of high curvature, which accounted for the reason why heptagons were preferred in borospherenes. Our study not only proposes a common precursor of borospherenes, but also expands the construction patterns of monolayer sheets.

Graphical abstract: A novel borophene featuring heptagonal holes: a common precursor of borospherenes

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Publication details

The article was received on 08 May 2017, accepted on 02 Jun 2017 and first published on 02 Jun 2017


Article type: Paper
DOI: 10.1039/C7CP03021E
Citation: Phys. Chem. Chem. Phys., 2017, Advance Article
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    A novel borophene featuring heptagonal holes: a common precursor of borospherenes

    Y. Mu, Q. Chen, N. Chen, H. Lu and S. Li, Phys. Chem. Chem. Phys., 2017, Advance Article , DOI: 10.1039/C7CP03021E

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