The binary system Sb-Se was studied via laser ablation using antimony-selenium mixtures made from powdered elements in various ratios generating new SbmSen clusters. The results show that in addition to Sbm+ (m = 1-8) and Sen+ (n = 2-9) clusters, a series of SbmSen+ clusters such as SbSe1-8+, Sb2Se1-6+, Sb3Se1-5+, Sb4Se1-3+, and Sb5Se1,2+ is generated. In addition, some low intensity oxidized clusters like Se6O2+, Se7O2+, and SbSe2-6O5+ and partially hydroxylated clusters (SbSeO2H7+, SbSe5O4H+) are also formed. In total, 24 new antimony selenide clusters were generated. The knowledge gained can contribute to the elucidation of the structure of SbmSen glasses. Graphical Abstract.

CEPLANT R and D Centre for Low Cost Plasma and Nanotechnology Surface Modification Masaryk University Kotlářská 2 61137 Brno Czech Republic

Department of Chemistry Faculty of Science Masaryk University Kamenice 5 A14 62500 Brno Czech Republic

Department of Physical Electronics Faculty of Science Masaryk University Kotlářská 2 61137 Brno Czech Republic

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