Shikun CHEN, Chuchu WANG, Ye CHEN, Li LI, Lu PAN, Guilin WEN. Magnetic Ag2S/Ag/CoFe1.95Sm0.05O4 Z-scheme Heterojunction: Preparation and Its Photocatalytic Degradation Property[J]. Journal of Inorganic Materials, 2022, 37(12): 1329
- Journal of Inorganic Materials
- Vol. 37, Issue 12, 1329 (2022)
. XRD patterns of different samples (a) and EDS pattern of Ag2S/Ag/CoFe1.95Sm0.05O4 (b)
. TEM (a) and HRTEM (b,c) images of Ag2S/Ag/CoFe1.95Sm0.05O4
. XPS survey spectra of different materials (a); Ag3d(b); S2p(c); Co2p (d); Fe2p(e); Sm3d (f) and O2p (g) XPS spectra of Ag2S/Ag/CoFe1.95Sm0.05O4
. UV-Vis absorption spectra (a) and plots of (αhν)2versus hv (b) of samples
. Degradation curves of MO by different samples under visible light irradiation (a, c) and corresponding first-order kinetics (b, d)
. Magnetization curves of samples with inset showing the pictures of the solution after magnetic separation using an external magnetic (a), five cycling runs of the sample for MO degradation (b) and XRD patterns of Ag2S/Ag/CoFe1.95Sm0.05O4 before and after cyclic test (c)
. Photocatalytic degradation of Ag2S/Ag/CoFe1.95Sm0.05O4 by free radical capture (a), Mott-Schottky curves of samples (b), Valence-band XPS spectra of Ag2S, CoFe1.95Sm0.05O4 (c,d), EIS spectra of as-prepared samples (e), and the proposed photocatalytic degradation mechanism of MO over Ag2S/Ag/CoFe1.95Sm0.05O4(f)
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