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Functional Composite Materials
Fig. 1 | Functional Composite Materials

Fig. 1

From: Carbon composites from iron-chelating pyridine nitrogen-rich coordinated nanosheets for oxygen reduction

Fig. 1

a Schematic of the preparation of the iron-chelating pyridinic nitrogen-rich coordinated nanosheet (IPNCN) composites. b Optimized geometry of the tetrapyrido [3,2-a:2',3'-c:3'',2''-h:2''',3'''-j] phenazine (TP) and the IPNCN composites by Gaussian calculations. c MALDI-TOF mass spectrum of the TP. d FT-IR spectra of the TP and the IPNCN (TP/Fe2+  = 1/1) composites

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