Letter reSeArCH
Extended Data Fig. 2 | Raman spectroscopy analyses of fjord-type GNR 2
and synthesis of model dimer. a, R aman spectra of fjord-type GNR 2 ,
obtained with a 532-nm excitation laser. b, Synthesis of model dimer 3b by
step-by-step APEX reaction of phenanthrene. c, Synthesis of model dimer
3a by APEX reaction.