2021
DOI: 10.1016/j.ceramint.2021.01.255
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Facile preparation of Fe2O3 Al2O3 composite with excellent adsorption properties towards Congo red

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Cited by 20 publications
(2 citation statements)
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“…For the CR molecules which can be physically adsorbed on the plasmonic metals, the adsorption can be described by the Freundlich model. When the concentration is high enough, the multilayer adsorption would occur via electrostatic interaction. , Obviously, the molecular adsorption in the second layer would hardly induce the CID due to noncontact with GNRs, and hence not decrease the enhancement factor. It means that the SERS intensity should, once again, monotonically increase with the rising concentration after monolayer adsorption is completed, which is consistent with our experiments, as shown in Figure D.…”
Section: Resultsmentioning
confidence: 99%
“…For the CR molecules which can be physically adsorbed on the plasmonic metals, the adsorption can be described by the Freundlich model. When the concentration is high enough, the multilayer adsorption would occur via electrostatic interaction. , Obviously, the molecular adsorption in the second layer would hardly induce the CID due to noncontact with GNRs, and hence not decrease the enhancement factor. It means that the SERS intensity should, once again, monotonically increase with the rising concentration after monolayer adsorption is completed, which is consistent with our experiments, as shown in Figure D.…”
Section: Resultsmentioning
confidence: 99%
“…Besides this, researchers devoted their work to fabricate metal oxide-based hybrid nanocomposites by integrating two or more metal oxide nanomaterials to enhance the heavy metal removal absorption capacity . Interestingly, the metal oxide nanocomposites avoided aggregation of materials and showed improved heavy metal adsorption performances. , In this line, various kinds of composites such as Fe 2 O 3 /Al 2 O 3 , polythiophene/Al 2 O 3 , polyaniline/Al 2 O 3 , poly­(vinylidene fluoride) (PVDF)/poly­(vinyl alcohol) (PVA)/Al 2 O 3 , Cu 2 O/ZnO, Fe 2 O 3 /Cu 2 O, and TANI/Cu 2 O/Ag have been reported for the removal of a variety of metal ions such as As­(V), Pb­(II), Zn­(II), Cd­(II), Cu­(II), Pb­(II), Ni­(II), and Hg­(II) ions. However, most of the composites’ preparation is limited by either a complicated and time-consuming synthesis process or the usage of expensive/toxic chemicals.…”
Section: Introductionmentioning
confidence: 99%