A buckminsterfullerene, also known as a buckyball, is typically a fullerene consisting of sixty carbon atoms (C60) arranged in a way that resembles a football-like sphere. Extending this arrangement to other types of atoms has until now however proven as illusive as finding non-carbon-based lifeforms. In a paper by [Hyun Wook Choi] et al. and published in Chemical Science the discovery of boron buckyballs is detailed. There is also a soft-paywalled article in the Chemical & Engineering News magazine for a higher-level perspective.
The discovered boron-based buckyball ups the number of atoms to eighty, forming B80 (boron fullerite) with a slightly larger diameter than C60 at 0.85 nm versus 0.71 nm. Perhaps more interesting are the claims by the authors that boron fullerite may have more practical applications than its carbon-based cousin, mostly due to it being predicted to be a semiconductor with an 0.8 eV energy gap and better electron acceptance that provides interesting doping prospects.
Producing these boron structures used laser vaporization with a helium carrier gas that was seeded with argon to increase cooling efficiency. Inside this boron cluster the reported structures were then discovered and characterized as described in the paper.
Obviously, going from a fascinating laboratory discovery to bulk production won’t be easy, and the predicted properties of boron fullerite may turn out to be incomplete or have a dark side that we aren’t aware of. Regardless, they’re bound to be more useful at least than the carbon version that’s remained mostly a curiosity despite many years of research.
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This articles is written by : Nermeen Nabil Khear Abdelmalak
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