MOF-derived ZnO/g-C3N4 nanophotocatalyst for efficient degradation of organic pollutant

Mutahir, Sadaf; Asim Khan, Muhammad; Qunhui, Yuan; Mehboob, Sheeraz; Bououdina, Mohamed; Mostafa Elkholi, Safaa; Khan, Abbas; Abumousa, Rasha A.; Humayun, Muhammad

doi:10.1016/j.jscs.2024.101821

Cited by 4 publications

(1 citation statement)

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“…The key factor in photocatalysis technology lies in the choice of photocatalyst. Currently, commonly used semiconductor photocatalysts for degrading organic pollutants include TiO 2 [6][7][8], CdS [9][10][11][12], ZnO [13][14][15][16], and Bi 2 O 3 [17][18][19][20], among others. However, the electrons and holes in this kind of photocatalyst are easy to recombine, resulting in low photocatalytic performance.…”

Section: Introductionmentioning

confidence: 99%

Polymer-Based Immobilized FePMo12O40@PVP Composite Materials for Photocatalytic RhB Degradation

Wang,

Tang,

et al. 2024

Inorganics

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FePMo12O40@PVP composite materials were synthesized with the regulation of polyvinylpyrrolidone (PVP) to control the structure. The samples were characterized by FT-IR, XRD, XPS, SEM, TEM and UV-Vis DRS. The composite retains the Keggin-type polyoxometalates structure, exhibiting a high specific surface area that enhances photon capture efficiency. Analysis of UV-Vis DRS absorption band edge and band gap indicated that the composite was responsive to visible light. Photocatalytic degradation of Rhodamine B (RhB) by FePMo12O40@PVP was investigated under commonly used LED light source, demonstrating excellent photocatalytic performance as 2.5 g-FePMo12O40@PVP (0.015 g) can remove 83% of RhB (10 mg/L) in 40 min. The FePMo12O40@PVP composite material demonstrated sustained moderate degradation efficiency even after undergoing three cycles of repeated use. The non-covalent interaction and strong interfacial coupling between PVP and FePMo12O40 promoted the transfer of h+, and e−, ∙O2−, ·OH, and h+ served as the primary active species in this photocatalytic system. This environmentally friendly material has the potential to significantly reduce energy consumption and offers valuable insights for the future treatment of dye wastewater.

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