2015
DOI: 10.1016/j.molcata.2015.07.025
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Role of active oxygen species in the liquid-phase photocatalytic degradation of RhB using BiVO 4 /TiO 2 heterostructure under visible light irradiation

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Cited by 59 publications
(15 citation statements)
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“…After 7 h photodegradation reaction, the degradation rates of ZnCoCr-LDHs and ZnNiCr-LDHs to RhB were only 42.10% and 45.74%. Meanwhile, in similar experimental conditions, ZnCr-0.75SalenCo-LDHs and ZnCr-0.75SalenNi-LDHs also exhibited better photocatalytic activities of RhB degradation than some other types of photocatalytic materials such as TiO2-diatomite composite [43], CdMoO4@CdS [44], and BiVO4/TiO2 [45]. The kinetic parameters of RhB photocatalytic degradation by ZnCr-0.75SBCo-LDHs, ZnCr-0.75SBNi-LDHs, and traditional LDHs were investigated based on the Langmuir-Hinshelwood model [46,47].…”
Section: Photocatalytic Activitymentioning
confidence: 82%
“…After 7 h photodegradation reaction, the degradation rates of ZnCoCr-LDHs and ZnNiCr-LDHs to RhB were only 42.10% and 45.74%. Meanwhile, in similar experimental conditions, ZnCr-0.75SalenCo-LDHs and ZnCr-0.75SalenNi-LDHs also exhibited better photocatalytic activities of RhB degradation than some other types of photocatalytic materials such as TiO2-diatomite composite [43], CdMoO4@CdS [44], and BiVO4/TiO2 [45]. The kinetic parameters of RhB photocatalytic degradation by ZnCr-0.75SBCo-LDHs, ZnCr-0.75SBNi-LDHs, and traditional LDHs were investigated based on the Langmuir-Hinshelwood model [46,47].…”
Section: Photocatalytic Activitymentioning
confidence: 82%
“…The band gap energy of n-type BiVO 4 was narrower than that of n-type P25 before any contact between them. When less P25 is doped on the surface of BiVO 4 , a n-N junction was formed on the surface of BiVO 4 /P25 heterostructure [ 49 ]. The energy band gap of BiVO 4 /P25 heterojunction catalyst after thermodynamic equilibrium is shown in figure 9 .…”
Section: Resultsmentioning
confidence: 99%
“…However, the photocatalytic performance declines with the further increase in the BiVO 4 content. The excessive amount of BiVO 4 may accelerate the charge recombination [19, 20]. Thus, the photocatalytic performance of composites is optimum when 5% BiVO 4 nanosheets are introduced, which is 1.7, 1.25 times higher than that of pure TiO 2 nanobelts and pure BiVO 4 nanosheets.…”
Section: Resultsmentioning
confidence: 99%
“…11, when the TiO 2 -BiVO 4 composites are exposed to vis light, the electrons of BiVO 4 are promoted to migrate from the valence band (VB) to the CB while simultaneously leaving the holes in the VB. The photogenerated electrons in the CB of BiVO 4 are readily injected into the CB of TiO 2 because E CB of BiVO 4 is more negative compared with that of TiO 2 [19]. Meanwhile, the holes still remain in the VB of BiVO 4 , such that photogenerated electron-hole pairs are effectively separated in space.…”
Section: Photocatalytic Activity and Stabilitymentioning
confidence: 99%