Polyynes have been synthesized by laser ablation in liquids in different solvents, carbon atomic wires up to 22 carbon atoms in length are observed. The terminations are driven by the preesence of the solvent.
The work has been published on Phys Chem Chem Phys.
S. Peggiani, P. Marabotti, R.A. Lotti, A. Facibeni, P. Serafini, A. Milani, V. Russo, A. Li Bassi and C.S. Casari, Solvent-dependent termination, size and stability in polyynes synthesized via laser ablation in liquids, Phys.Chem.Chem.Phys. 22, 26312 (2020); DOI: 10.1039/d0cp04132g 
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