Fig. 2 | Nature Communications

Fig. 2

From: Gas phase synthesis of [4]-helicene

Fig. 2

Comparison of photoionization mass spectra recorded at a photoionization energy of 9.50 eV. a 4-phenanthrenyl ([C14H9]•) - vinylacetylene (C4H4) system; b 4-phenanthrenyl ([C14H9]•) - helium (He) system. The mass peaks of the newly formed C18H12 (m/z = 228) species along with the 13C-substituted counterparts (m/z = 229) are highlighted in blue

Back to article page