Fabrication of a direct Z-scheme heterojunction between MoS2 and B/Eu-g-C3N4 for an enhanced photocatalytic performance toward tetracycline degradation

Photocatalytic activity towards antibiotic degradation and H2 evolution by development of a Z-scheme heterojunction constructed from 1T/2H-MoS2 nanoflowers embellished on BCN nanosheets

“…6c, is also shown below. 45,17 r = −d c /d t = k ′ c ln( C / C 0 ) = k ′ t where r is rate of reaction, k ′ represents the first order rate constant, and C and C 0 relate to the TCH concentration at time t and 0, respectively. From Fig.…”

“…In particular, Z-scheme photocatalysts, influenced by natural photosynthesis, have a physically more suitable pathway for the generation of charge carriers than the classic type II heterojunction. 44,45 All solid state mediator based Z-scheme systems like 1T/2H-MoS 2 promote interfacial electron transfer along with enhanced stability by preventing the metastable 1T phase from being converted back to the stable 2H-phase. 34…”

NiFe-Layered Double Hydroxides as a Novel Hole Repository Layer for Reinforced Visible-Light Photocatalytic Activity for Degradation of Refractory Pollutants

“…In addition, the TC photocatalytic degradation process was in line with the pseudo-first-order dynamic equation (−ln­( C / C 0 ) = kt ) . As shown in Figure b, the constant values of k were computed as 0.01968, 0.01401, 0.02901, 0.01660, and 0.05457 min –1 over g-C 3 N 4 , NiFe-LDH, Ni­(OH) 2 /g-C 3 N 4 , Fe­(OH) 3 /g-C 3 N 4 , and NiFe-LDH/g-C 3 N 4 catalysts, respectively.…”

“…Furthermore, when single In addition, the TC photocatalytic degradation process was in line with the pseudo-first-order dynamic equation (−ln(C/ C 0 ) = kt). 73 As shown in Figure 5b, the constant values of k were computed as 0.01968, 0.01401, 0.02901, 0.01660, and 0.05457 min −1 over g-C 3 N 4 , NiFe-LDH, Ni(OH) 2 /g-C 3 N 4 , Fe(OH) 3 /g-C 3 N 4 , and NiFe-LDH/g-C 3 N 4 catalysts, respectively. The quantitative k values of NiFe-LDH/g-C 3 N 4 composites were approximately 2.77 and 3.90 times that of the original g-C 3 N 4 and NiFe-LDH, respectively.…”

MoS2 and MoS2 Nanocomposites for Adsorption and Photodegradation of Water Pollutants: A Review

“…The same catalyst achieved a good degradation of MO and RhB, with 98% and 97% degradation, respectively, after 5 min of irradiation ( Table 2 ) [ 119 ]. Regarding other contaminants from the antibiotic spectrum, tetracycline (20 mg/L) was successfully degraded up to 99% within 50 min under visible light, catalyzed with 0.4 g/L MoS 2 /Eu/B-g-C 3 N 4 (MoS 2 /BEuCN) as the catalyst [ 122 ]. Ahamad et al [ 123 ] studied the photocatalytic degradation of bisphenol-A (BA) using the composite g-C 3 N 4 /MoS 2 −PANI, achieving 93% of removal after 60 min under visible light.…”