Figure 2 | Scientific Reports

Figure 2

From: Experimental and Theoretical Demonstrations for the Mechanism behind Enhanced Microbial Electron Transfer by CNT Network

Figure 2

Raman spectra (a) and XPS survey (b) of the electrodes with the carbon paper and the CNT-network-modified carbon paper; XPS C1s spectra of the carbon paper (c), the CNT-network modified-carbon paper (d), CVs of 0.5 mM [Fe(CN)6]3−/4− in 0.1 M KCl (pH 7.0) at a scan rate of 100 mV/s (e), Nyquist plots of 10 mM [Fe(CN)6]3−/4− in 0.1 M KCl from 100 KHz to 0.1 Hz at an ac amplitude of 5 mV under open-circuit potential conditions (f).

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