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              Photocatalytic performance in hydrogen evolution of carbon nitride derived from different
                                                          [24]
                                                            [22]
                                               [18]
                                                 [18]
                                                   [18]
                                                      [18]
                                                        [18]
                                                                     [18]
                                             [21]
                                                                         [28]
                                                                       [25]
                                                                 [23]
                                                              [23]
                                                                   [18]
                                                          19,412 μmol h −1  g −1
                                                                         417 μmol h −1  g −1
                                                      109.1 μmol h −1
                                                                   151.1 μmol h −1
                                                                     157.2 μmol h −1
                                                              47.2 μmol h −1
                                                        89.8 μmol h −1
                                             3.79 μmol h −1
                                                                 15.1 μmol h −1
                                                 23.5 μmol h −1
                                                   79.0 μmol h −1
                                                            1.4 μmol h −1
                                               3.4 μmol h −1
                                                                       66 μmol h −1
                                             210.1 cm 2  g −1
                                                            135.6
                                                              69.6
                                                                         86.4
                                                                       15.6
                                                                 11.3
                                                          43.8
                precursors and different polymerization parameters
                                                        97
                                               43
                                                                     52
                                                                   27
                                                   58
                                                      77
                                                 49
                   Polymerization parameters (annealing  Photocatalytic performance in   Ref. hydrogen evolution (TEOA, Pt) Surface area/m 2  g −1 temp, duration, and atmosphere)  [15] 770 μmol H 2  after 72 h  10 550°C, 4 h, air  [20] 4.8 times higher  20.91 550°C, 4 h, H 2  atmosphere  [18] 12.1 μmol h −1  10 550°C, 2 h, air  [26] 4.8 μmol
                                                          600°C, 5°C min −1  ramp rate, 4 h
                                                                         550°C, 2 h, air
                                                                     650°C, 2 h, air
                                                        650°C, 2 h, air
                                                 500°C, 2 h, air
                                                      600°C, 2 h, air
                                                            450°C, 2 h, air
                                             540°C, 2 h, air
                                                              550°C, 3 h, air
                                                                 550°C, 3 h, air
                                               450°C, 2 h, air
                                                                   600°C, 2 h, air
                                                   550°C, 2 h, air
                                                                       600°C, 4 h, Ar
              Table 6.1   Precursor  Cyanamide  Dicyandiamide  Dicyandiamide  Dicyandiamide  Dicyandiamide  Dicyandiamide  Melamine  Melamine  Melamine  Melamine  Urea  Urea  Urea  Urea  Urea  Urea  Urea  Urea  Thiourea  Thiourea  Thiourea  H 2 SO 4 -melamine  HNO 3 -melamine
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