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Table 2 Elemental composition, surface area, and electroactivity of samples

From: Porous Carbon Networks Derived From Graphitic Carbon Nitride for Efficient Oxygen Reduction Reaction

SamplesN content at % (pyridinic N+ graphitic N)SBET (m2 g−1)E half-peak voltage (V)nJL (mA cm−2)
NC-1205.71 at % (2.04 at % + 3.67 at %)954− 0.2243.9–4.15.040
NC-1405.43 at % (2.68 at % + 2.65 at %)833− 0.2573.5–3.74.072
NC-1603.45at % (1.21 at % + 2.24 at %)517− 0.327`3.0–3.23.165
Pt/C− 0.1754