Extended Data Fig. 8: Analytical SEC, UV-vis absorption, emission, IR and Raman spectroscopy data for armchair-type GNR 8.
From: RETRACTED ARTICLE: Living annulative π-extension polymerization for graphene nanoribbon synthesis
a, SEC charts of armchair-type GNR 8 obtained by the Scholl reaction of fjord-type GNR 2 with different polymer lengths. b, UV-vis absorption spectra of 8. c, Emission spectra of 8. d, Observed IR spectra of GNR 8 with different polymer lengths (red, yellow, blue and purple lines) and IR spectrum of dimer 11 (black line) predicted by DFT calculations at the B3LYP/6-31G(d) level of theory. e, Raman spectra of GNR 8 with different polymer lengths (red, yellow, blue and purple lines), obtained by excitation by a 532-nm laser.
