Ag/AgCl@MIL-88A(Fe) heterojunction ternary composites: towards the photocatalytic degradation of organic pollutants

Abstract

We have demonstrated the photocatalytic efficiency of the Ag/AgCl@MIL-88A(Fe) composite for the degradation of organic dyes and p-nitrophenol in water.

Polyoxometalate supported on a magnetic Fe3O4/MIL-88A rod-like nanocomposite as an adsorbent for the removal of ciprofloxacin, tetracycline and cationic organic dyes from aqueous solutions

“…2(a), the XRD pattern of MIL-88A showed two diffraction peaks at 2q = 10-12°, which was accordance with the reported information. 31 As exhibited in Fig. 2 g −1 and 4.16 m 2 g −1 , respectively, in agreement with literature.…”

Efficient Removal of Inorganic and Organic Pollutants over a NiCo2O4@MOF-801@MIL88A Photocatalyst: The Significance of Ternary Heterojunction Engineering

“…As shown in Figure d, the survey-scan XPS spectrum of Fe 2p could be split into Fe 2p 1/2 (766.1 eV) and Fe 2p 3/2 (744.3 eV), which proves the formation of the Fe–O bond of MIL-88A around the NiCo 2 O 4 @MOF-801 core–shell particles. In comparison with pure MIL-88A­(Fe), the positive shift of Fe 2p peaks in the composite confirms a strong interaction and electron transfer between MIL-88A­(Fe) and NiCo 2 O 4 @MOF-801 . Also, the characteristic peak of 285 eV derived from the XPS could be assigned to the carboxylate groups or CC of fumaric acid and the sharp peak at a binding energy of 532 eV is related to the oxygen bonds of MIL-88A …”

“…In comparison with pure MIL-88A(Fe), the positive shift of Fe 2p peaks in the composite confirms a strong interaction and electron transfer between MIL-88A(Fe) and NiCo 2 O 4 @MOF-801. 49 Also, the characteristic peak of 285 eV derived from the XPS could be assigned to the carboxylate groups or C=C of fumaric acid and the sharp peak at a binding energy of 532 eV is related to the oxygen bonds of MIL-88A. 22 …”

Green Synthesis of Fe/Graphene Nanocomposite Using Cleistocalyx operculatus Leaf Extract as a Reducing Agent: Removal of Pollutants (RhB Dye and Cr6+ Ions) in Aqueous Media

“…This result implies that the prepared nZVI/GNPs nanocomposite was protected from oxidation by a polysaccharide film from the CE extract. No bonding between Fe and C was observed demonstrating the heterojunction formation between nZVI nanoparticles and graphene nanoplatelets [13] …”