A comparative photocatalytic study of pure and acid-etched template free graphitic C3N4 on different dyes: An investigation on the influence of surface modifications

Dramatic Change of Morphological, Photophysical, and Photocatalytic H2 Evolution Properties of C3N4 Materials by the Removal of Carbon Impurities

“…On the other hand, the values of CN and NT-CN were similar in this work (Table S4) because the chemical structure was preserved. It was reported that chemical modification can generate atomic vacancies and introduce C-/N-containing functional groups. − However, all chemical characterizations support that the C 3 N 4 -based network was preserved after the HNO 3 treatment. Consequently, the change in the chemical structures of the C 3 N 4 network can be excluded as a reason for the improved catalytic activity.…”

Graphitic Carbon Nitride as an Amplification Platform on an Electrochemical Paper-Based Device for the Detection of Norovirus-Specific DNA

“…First, to prepare g-C 3 N 4 , melamine was heated thermally in a muffle furnace at a temperature of 550 • C for a duration of 3 h at 5 • C/min to obtain a yellowish powder [30]. Afterwards, the obtained powder (2 g) was added into a 40 mL mixture solution which consisted of concentrated H 2 SO 4 (98%) and HNO 3 (69%) in a ratio of 1:1.…”

The synergistic effect of acid-etched g-C3N4 nanosheets and polyaniline nanofibers for the adsorption and photocatalytic degradation of textile dyes: a study of charge transfer mechanism and intermediate products

“…[13][14][15] In our previous study, we reported the photocatalytic dye degradation of Methylene Blue (MB) and MO using GCN. 16 The previously published reports indicated that the photodegradation efficiency of GCN was higher than the conventional semiconductors used for photocatalysis such as TiO 2 , demonstrating the great potential of GCN in the field of photocatalysis. [16][17][18][19][20] The recent reported studies for MO and CR dye removal are discussed in Table S1 (ESI †) using GCN and Polyaniline (PANI) based nanocomposites.…”

“…16 The previously published reports indicated that the photodegradation efficiency of GCN was higher than the conventional semiconductors used for photocatalysis such as TiO 2 , demonstrating the great potential of GCN in the field of photocatalysis. [16][17][18][19][20] The recent reported studies for MO and CR dye removal are discussed in Table S1 (ESI †) using GCN and Polyaniline (PANI) based nanocomposites. However, there are a few limitations of GCN as a photocatalyst such as its small surface area, high rate of electron-hole pair recombination and limited absorption of visible light.…”

“…21,22 To eliminate these shortcomings, the acid-etched technique was used for the improvement in the surface area, charge transport and lower absorption of visible light of GCN. 16 Researchers have developed various methods to improve the ability of dye degradation of GCN by hybridising with other suitable materials (carbon nanotubes, graphene, Bi 2 WO 6 , TaON and conducting polymers), or doping with metals (Fe, Ag, Au and Zn) or non-metals (B, S, P, and F). [23][24][25][26] Among these methods, the synthesis of heterostructures with the conducting polymer shows great potential in the dye degradation as it promotes the separation of charge carriers.…”