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. 2020 Mar 24;20(5):2993–3002. doi: 10.1021/acs.nanolett.9b04816

Figure 1.

Figure 1

(a) Sketch of the GNR–AHM as well as the AHM side group. The GNR–AHM has a repeating unit of 8, thus resulting in an average length of 11 nm with a uniform width of 1.7 nm. The bulky AHM side group has a radius of 0.5 nm. (b) UV/Vis absorption spectrum of GNR–AHM in toluene with a concentration of 1 mg/mL. The measurement was corrected for the weak absorption of the solvent. The colored bars represent the pump laser wavelength employed for the optical pump–THz probe measurements to explore the electronic structures of GNR–AHM.