Fabrication of superhydrophobic Cu-BiOBr surface for oil/water separation and water soluble pollutants degradation

Ge, Bo; Han, Lu; Liang, Xin; Li, Fengyan; Pu, Xipeng; Zhu, Xiaotao; Zhang, Zhaozhu; Shao, Xin; Jin, Chao; Li, Wenzhi

doi:10.1016/j.apsusc.2018.08.174

Cited by 45 publications

(17 citation statements)

References 31 publications

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“…Today, the implementation of eco-friendly methods for energy production is vital because the exhaustion of fossil fuels and environmental pollution are becoming increasingly prominent problems [1][2][3][4][5][6]. Photocatalytic splitting of water into hydrogen gas (H2) over semiconductors is one of the most promising approaches to overcome the challenges of energy and environment [7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Coralline-like Ni2P decorated novel tetrapod-bundle Cd0.9Zn0.1S ZB/WZ homojunctions for highly efficient visible-light photocatalytic hydrogen evolution

Shao

Meng

Lai

et al. 2021

Chinese Journal of Catalysis

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142

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Section: Introductionmentioning

confidence: 99%

Coralline-like Ni2P decorated novel tetrapod-bundle Cd0.9Zn0.1S ZB/WZ homojunctions for highly efficient visible-light photocatalytic hydrogen evolution

Shao

Meng

Lai

et al. 2021

Chinese Journal of Catalysis

Self Cite

142

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“…The increased band gaps contribute to the improvement of redox capability and the enhancement of separation efficiency for photogenerated e − ‐ h + pairs, however, the band gap of Ni‐BiOBr system is only narrowed slightly. In addition, the VBMs of V‐, Fe‐, Co‐, Ni‐, Cu‐doped BiOBr shift to the more negative direction, locating at −0.406, −0.448, −0.351, −0.176, −0.270 eV, respectively, revealing that the oxidation abilities of these doped‐BiOBr systems exhibited a significant enhancement after the introduction of V, Fe, Co, Ni, Cu atoms, the reasons are why that such reported as‐prepared photocatalysts demonstrate excellent photocatalytic activity in terms of degrading organic pollutants [13, 14, 37, 38].…”

Section: Resultsmentioning

confidence: 99%

Regulating electronic properties of BiOBr to enhance visible light response via 3d transition metals doping: DFT + U calculations

Guan

Ren

Zhang

et al. 2020

Int J of Quantum Chemistry

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In our work, the formation energies, band structures, densities of states, effective masses and optical absorption properties of pure BiOBr and 3d transition metals‐doped BiOBr have been calculated using DFT + U method. Ti, V, Fe, Cr, Co, Ni and Cu doping can induce impurity energy levels, originating from spin‐up or ‐down orbits of 3d transition metals (TMs), within the forbidden band of BiOBr, but Sc, Mn and Zn atoms only change the electronic delocalization in the valence band or conduction band region of BiOBr. Furthermore, with introduction of 3d TMs atoms, there exist the redshift phenomena for optical absorption band edge of BiOBr to different extents. The photo response priority order, structural stability and recombination probability of photoinduced carriers for 3d TMs‐doped BiOBr are summarized. Our theoretical findings should well explain the experimental observations in the previous literatures, and provide promising prediction and significant guidance for the well‐construction of BiOBr‐based photocatalyst systems.

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“…The increased band gaps contribute to the improvement of redox capability and the enhancement of separation efficiency for photogenerated e --h + pairs, however, the band gap of Ni-BiOBr system is only narrowed slightly. In addition, the VBMs of V-, Fe-, Co-, Ni-, Cu-doped BiOBr shift to the more negative direction, locating at -0.406, -0.448, -0.351, -0.176, -0.270 eV, respectively, revealing that the oxidation abilities of these doped-BiOBr systems exhibited a significant enhancement after the introduction of V, Fe, Co, Ni, Cu atoms, the reasons are why that such reported as-prepared photocatalysts demonstrate excellent photocatalytic activity in terms of degrading organic pollutants [13,14,37,38] .…”

Section: Impurity Levels Of 3d Transition Metals In Biobr Forbidden Bandmentioning

confidence: 94%

Regulating electronic properties of BiOBr to enhance visible light response via 3d transition metals doping: DFT+U calculations

Guan

Ren

Zhang

et al. 2020

Preprint

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In our work, the formation energies, band structures, densities of states, effective masses and optical absorption properties of pure BiOBr and 3d transition metals-doped BiOBr have been calculated using DFT+U method. Ti, V, Fe, Cr, Co, Ni and Cu doping can induce impurity energy levels, originating from spin-up or-down orbits of 3d TMs, within the forbidden band of BiOBr, but Sc, Mn and Zn atoms only change the electronic delocalization in the valence bandor conduction band region of BiOBr. Furthermore, with introduction of 3d TMs atoms, there exist the redshift phenomena for optical absorption band edge of BiOBr to different extents. The photo response priority order, structural stability and recombination probability of photoinduced carriers for 3d TMs-doped BiOBr are summarized. Our theoretical findings should well explain the experimental observations in the previous literatures, and provide promising prediction and significant guidance for the well-construction of BiOBr-based photocatalyst systems.

show abstract

Fabrication of superhydrophobic Cu-BiOBr surface for oil/water separation and water soluble pollutants degradation

Cited by 45 publications

References 31 publications

Coralline-like Ni2P decorated novel tetrapod-bundle Cd0.9Zn0.1S ZB/WZ homojunctions for highly efficient visible-light photocatalytic hydrogen evolution

Coralline-like Ni2P decorated novel tetrapod-bundle Cd0.9Zn0.1S ZB/WZ homojunctions for highly efficient visible-light photocatalytic hydrogen evolution

Regulating electronic properties of BiOBr to enhance visible light response via 3d transition metals doping: DFT + U calculations

Regulating electronic properties of BiOBr to enhance visible light response via 3d transition metals doping: DFT+U calculations

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