Photo-Fenton degradation of tetracycline over Z-scheme Fe-g-C3N4/Bi2WO6 heterojunctions: Mechanism insight, degradation pathways and DFT calculation

Accelerated Fenton degradation of azo dye wastewater via a novel Z-scheme CoFeN-g-C3N4 heterojunction photocatalyst with excellent charge transfer under visible light irradiation

“…The two typical characteristic peaks of CN at 13.1° and 27.4° are attributed to its conjugated structure and the interfacial packing of the heptazine network, corresponding to the (100) and (002) interfaces of g-C 3 N 4 , respectively. 20 The characteristic diffraction peaks of CFN at 43.8°, 51.1° and 75.2° are consistent with the (330), (422) and (444) interfaces of Co 0.72 Fe 0.28 (JCPDS no. 51-0740), respectively.…”

“…Similar studies have been reported by predecessors. 20,22 Overall, the characteristic diffraction peaks of CFN-CN are slightly shifted to a higher degree compared with those of pure CFN, further confirming the formation of the CFN-CN heterojunction. 23 The N 2 adsorption-desorption curves and pore width distributions of the catalysts are presented in Fig.…”

“…Fig. 8 shows the possible reaction mechanism, and the specific reaction equations are as follows: 20,23,39 CFN þ hv ! e À ðCFNÞ þ h þ ðCFNÞ ð…”

Ag@ZIF-8/g-C3N4 Z-scheme photocatalyst for the enhanced removal of multiple classes of antibiotics by integrated adsorption and photocatalytic degradation under visible light irradiation

“…In addition, the lattice fingerprints of g-C 3 N 4 were the same as those reported in ref. 35 . According to the EDX patterns in Fig.…”

Enhanced photocatalytic degradation of tetracycline hydrochloride over Au-doped BiOBr nanosheets under visible light irradiation

“…According to the results of the analysis of intermediates, the TH degradation process could be divided into four stages, namely hydroxylation, demethylation, ring opening and mineralization. Some functional groups in the TH molecule, such as double bond, phenol group and amine group, have a high electron density and are susceptible to ROS during the degradation process, resulting in a series of intermediates [37,38]. Therefore, as illustrated in Fig 11, three pathways for TH degradation were identified.…”