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Issue 20, 2014
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B38: an all-boron fullerene analogue

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Fullerene-like structures formed by elements other than carbon have long been sought. Finding all-boron (B) fullerene-like structures is challenging due to the geometrical frustration arising from competitions among various structural motifs. We report here the prediction of a B38 fullerene analogue found through first-principles swarm structure searching calculations. The structure is highly symmetric and consists of 56 triangles and four hexagons, which provide an optimal void in the center of the cage. Energetically, it is more favorable than the planar and tubular structures, and possesses an unusually high chemical stability: a large energy gap (∼2.25 eV) and a high double aromaticity, superior to those of most aromatic quasi-planar B12 and double-ring B20 clusters. Our findings represent a key step forward towards to the understanding of structures of medium-sized B clusters and map out the experimental direction of the synthesis of an all-B fullerene analogue.

Graphical abstract: B38: an all-boron fullerene analogue

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Publication details

The article was received on 05 Apr 2014, accepted on 29 May 2014 and first published on 03 Jun 2014

Article type: Communication
DOI: 10.1039/C4NR01846J
Nanoscale, 2014,6, 11692-11696

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    B38: an all-boron fullerene analogue

    J. Lv, Y. Wang, L. Zhu and Y. Ma, Nanoscale, 2014, 6, 11692
    DOI: 10.1039/C4NR01846J

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