TABLE 2.
Catalyst | Synthetic method | Electrolyte | E onset (vs RHE) | E 1/2 (vs RHE) | Electron transfer (n) | Tafel slope (mV dec‐1) | J L (mA cm‐1) | Ref. |
---|---|---|---|---|---|---|---|---|
Graphitic‐C3N4@Carbon | Template method | 0.1 m KOH | −0.10 V versus Ag/AgCl | – | 3.8 | −113 | 11.3 | [150] |
C3N7 | Pyrolysis | 0.1 m KOH | 0.81 V | – | 3.9 | 53.8 | 8.2 | [157] |
g‐C3N4 dots@graphene | Hydrothermal | 0.1 m KOH | −0.02 V versus Ag/AgCl | 0.09 V versus Ag/AgCl | 3.72 | 59, 240 | – | [156] |
g‐C3N4@N‐G | Ball milling | 0.1 m KOH | −0.02 V versus SCE | −0.22 V versus SCE | 4 | – | – | [158] |
Graphene platelet decorated carbon nitride | Pyrolysis | 0.1 m KOH | 0.87 V | – | 3.8 | 63 | 5.1 | [159] |
g‐C3N4@rGO | Semi‐closed pyrolysis | 0.1 m KOH | −0.248 V versus Ag/AgCl | −0.281 V versus Ag/AgCl | 3.21 | – | 3.36 | [160] |
g‐C3N4 QD/g‐C3N4 sheet/rGO | Ultrasonication | 0.1 m KOH | −0.075 V versus Ag/AgCl | −0.210 V versus Ag/AgCl | 3.9–4.2 | – | −0.491 | [161] |
s‐g‐C3N4@GQDs | Hydrothermal | 0.1 m KOH | −0.07 V versus Ag/AgCl | – | 3.5 | – | – | [162] |
S‐doped C3N4‐mesoporous carbon | Polycondensation | 0.1 m KOH | −0.11 V versus Ag/AgCl | – | 4 | – | 30.9 | [163] |