Fig. 3: Morphological and structure characterizations of electrocatalysts.
From: Chlorine bridge bond-enabled binuclear copper complex for electrocatalyzing lithium–sulfur reactions
a UV–vis and b FTIR spectra of phen, 1-Cuphen and 2-Cuphen. c, e Molecular structure of 2-Cuphen and 1-Cuphen. d, f Atomic-resolution HAADF-STEM images of Cu-2 and Cu-1. g, h Experimental and simulated XRD patterns of 2-Cuphen and 1-Cuphen. i, j TEM elemental mapping images of Cu-2 and Cu-1. k Cu 2p XPS spectra of Cu-2 and Cu-1.
