Journal
CHEMISTRYSELECT
Volume 8, Issue 14, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.202300638
Keywords
4-nitrophenol; Catalysis; methylene blue; nanocomposite; porous
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Cobalt and copper co-doped ZnO composites were synthesized by the sol-gel solution combustion method and showed continuous electron-hole transfer and absorbance of visible light. These properties are crucial for pollutant catalytic reduction.
Continuous electron-hole transfer and the ability of nanoscale materials to absorb visible light are critical for pollutant catalytic reduction. Cobalt and copper co-doped ZnO composites were shaped by the sol-gel solution combustion (SG-SC) approach. The x-ray diffraction analysis confirmed the crystalline nature and interstitial doping of copper and cobalt in the zinc oxide lattice and the development of ZnO-CuO local contact. The PL and DRS-UV-vis investigations showed the NCs' superior charge transfer and considerable redshift (from 3.17 to 2.21 eV) properties over ZnO. TEM and SEM-EDS analyses confirmed the foam-type surface morphology, elemental composition, and dopant distribution. The NCs showed greater potency than ZnO NPs in the catalytic reduction reactions of 4-nitrophenol and methylene blue. Thus, the SG-SC approach has the potential for industrially scalable catalytic pollutant reduction applications.
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