Ore than one particular to WOoverlapO (JCPDS No.: 84-1851). In well-defined goods. There corresponding lattice three .5H2 inside the polyhedron, addition, the apparent lattice spacing in to HRTEM image additional confirms that the with a lattice spacing of 0.297 nm correspondingthe WO3.5H2O (JCPDS No.: 84-1851). In sampleMolecules 2021, 26, 6857 Molecules 2021, 26,7 of 15 7 ofaddition, the apparent lattice spacing inside the HRTEM image additional confirms that the samcomprises two phases of -Fe -Fe2O3 and to kind a hybrid structure, and also the morphology ple comprises two phases of 2 O3 and WO3WO3 to kind a hybrid structure, along with the morhas no substantial adjust transform after composition. phology has no significantafter composition.Figure three. (a) SEM Figure 3. (a) SEM image of Fe3 O4;; (b) TEM image of -Fe22O3 /WO33 .5HO; (c) HRTEM image of a Fe3 four image of -Fe O3/WO.5H2 two O; (c) HRTEM image of a single particle of -Fe O3 three /WO3 .5H2 single particle of -Fe22 O/WO3.5H2O. O.three.2. Magnetism Measurement 3.2. Magnetism Measurement Figure four shows the hysteresis loops of -Fe2 O /WO .5H2 O at 300 K with the applied 3 .5H2O at 300 K with all the applied Figure four shows the hysteresis loops of -Fe2O3 /WO33 field T. The saturation magnetization with the heterostructure increases with all the field and field 2T. The saturation magnetization of your heterostructure increases using the field and tends to slow until 000 Oe. In the enlarged element on the illustration, we are able to see that the tends to slow until 2000 Oe. In the enlarged aspect with the illustration, we can see that solution is ferromagnetic with a residual magnetization (Mr) of 2.three emu/g in addition to a coercivity the Mirdametinib Autophagy product is ferromagnetic having a residual magnetization (Mr) of 2.three emu/g and a coer(Hc) of 61.2 Oe [59]. The saturation magnetization (Ms) of 20 emu/g is significantly less than that in the civity (Hc) of 61.two Oe [59]. The saturation magnetization (Ms) of 20 emu/g is much less than that bulk -Fe2 O3 of 73.five emu/g [60]. This can be mainly as a result of surface of your hybrid structure of the bulk -Fe2O3 of 73.five emu/g [60]. This is primarily as a result of surface of your hybrid getting covered with hydrated tungsten oxide, which affects the morphology as well as the spin structure becoming covered with hydrated tungsten oxide, which affects the morphology and density, which in turn affects the saturation magnetization. the spin density, which in turn impacts the saturation magnetization. three.3. Photocatalytic DMPO References Activity Both WO3 and -Fe2 O3 are typical n-type semiconductors, along with the n-n-type heterostructure has absorption inside the ultraviolet area and visible area [61]. UV-Visible spectrum evaluation was employed to discover the light response. As shown in Figure 5a, compared with Fe3 O4 , the complicated can absorb light in a bigger wavelength variety. The adsorption band is at 300 to 600 nm, which can absorb ultraviolet and visible light. The light density of your xenon lamp and solar light density is 120 mW/cm2 and 54 mW/cm2 , respectively; for that reason, the 500 W xenon lamp was applied because the light source within this experiment [62]. The band gap of -Fe2 O3 /WO3 .5H2 O may be obtained from the plot of (h)two versus h by extrapolating the strait portion of (h)two to zero, as shown in Figure 5b. Just after calculation,Molecules 2021, 26,eight ofMolecules 2021, 26,the worth was determined to become 1.8 eV, which can be narrower than two.64 eV of Fe3 O4 . A narrow 8 of 15 band gap is helpful for the efficient utilization of visible light for photocatalysis [63].4Magnetization (emg/g)-2 -4 -200 -100 0 100–20 -20,000 -10,000 0.
