Abstract
The current work involves synthesis of hybrid nanomaterial of In2O3/MoS2/Fe3O4 and their applications as photocatalysts for disintegration of esomeprazole under visible light illumination. The data emerged from various analyses testified to the successful construction of the desired nano-scaled hybrid photocatalyst. Tauc plot gave the band gap of In2O3/MoS2/Fe3O4 to be ~ 2.15 eV. Synergistic effects of the integrant components enabled efficacious photocatalytic performances of the nanocomposite. The nanohybrid photocatalyst In2O3/MoS2/Fe3O4 showed photodecomposition up to ~ 92.92% within 50 min. The current work realizes its objective of constructing metal oxide based hybrid nano-photocatalyst supported on MoS2 sheets for activity in the visible spectrum, which displayed remarkable capacity of disintegrating emerging persistent organic contaminants and are magnetically recoverable.
Highlights
Results and discussionThe XRD diffraction pattern of In2O3/MoS2/Fe3O4 (Fig. 1) recorded prominent peaks corresponding to [222], [400] and [440] planes cubic In2O3 phase (JCPDS 06–0416) at 2θ angles of 30.63°, 35.52° and 51.06° respectively besides displaying peaks that could be indexed to [422], [431], [611], [620] and [541] planes at 2θ angles of 21.66°, 41.97°, 43.84°, 45.91°, 56.07°, 57.68° and 59.27° respectively
Water decontamination is currently among the most exhilarating and pioneering fields of science research
The semiconductor particles are excited by photons of energy equal to or greater than the band gap leading to the formation of electron–hole pairs4,5
Summary
The XRD diffraction pattern of In2O3/MoS2/Fe3O4 (Fig. 1) recorded prominent peaks corresponding to [222], [400] and [440] planes cubic In2O3 phase (JCPDS 06–0416) at 2θ angles of 30.63°, 35.52° and 51.06° respectively besides displaying peaks that could be indexed to [422], [431], [611], [620] and [541] planes at 2θ angles of 21.66°, 41.97°, 43.84°, 45.91°, 56.07°, 57.68° and 59.27° respectively. Were present peaks indexed to (020), [100], (023), and [151] planes at 18.96°, 32.08°, 34.21° and 60.09° respectively of F e3O4 phase (JCPDS 89–6466) in the XRD plot of In2O3/Fe3O4. The powder XRD pattern of F e3O4 (Fig. 1) displayed a distinct peak at 30.33° corresponding to [100] plane (JCPDS 89–6466) It was characterized by the occurrence of a superimposition of peaks associated with (023) and [111] planes with respective 2θ values of 34.15° and 34.72°.
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