We report the synthesis of carbon wires (polyynes) by submerged arc discharge in pure water. Polyynes with length from 6 to 16 carbon atoms have been detected by liquid chromatography through their UV-vis absorption spectra. By liquid chromatography we were able to separate and collect size-selected polyynes (6,8,10 carbon atoms) and to investigate their vibrational properties by surface enhanced Raman spectroscopy (SERS). This paper has been accepted for publication on Chemical Physics Letters (Elsevier).
Title: Size-selected polyynes synthesised by submerged arc discharge in water
Authors: Sonia Peggiani, Andrea Senis, Anna Facibeni, Alberto Milani, Patrick Serafini, Gianmarco Cerrato, Andrea Lucotti, Matteo Tommasini, Daniele Fazzi, Chiara Castiglioni, Valeria Russo, Andrea Li Bassi, Carlo S. Casari
Chemical Physics Letters, 2019 in press DOI:10.1016/j.cplett.2019.137054