TY - JOUR
T1 - Fabrication of ZnFe2O4 decorated CdS nanosphere composites with excellent visible light photocatalytic activity
AU - Shao, Min
AU - Wang, Anwei
AU - Cui, Haojie
AU - Liu, Zhiying
AU - Xu, Yanhua
AU - Li, Zhongyu
AU - Xu, Song
N1 - Publisher Copyright:
© 2019, Springer Science+Business Media, LLC, part of Springer Nature.
PY - 2020/1/1
Y1 - 2020/1/1
N2 - In this study, ZnFe2O4/CdS composites have been successfully synthesized from decorating CdS nanospheres with ZnFe2O4 nanoparticles by a facile method. With the application of detection techniques such as X-ray diffraction, Raman spectra, X-ray photoelectron spectroscopy, high-resolution transmission electron microscopy, the crystalline structures, surface morphologies, and physicochemical performances of the samples have been investigated in this study. Photocatalytic activities of ZnFe2O4/CdS with different loading ratios under simulated visible light irradiation were discussed with malachite green (MG) as a degradation target. The results showed that 20 wt% ZnFe2O4/CdS possessed with the best catalytic activity, and the removal efficiency of MG could reach 96% in 120 min. Mechanistic research indicated that CdS and ZnFe2O4 could form a Type II heterojunction with stable interface, which was effective for separating photogenerated carriers. The increasing active sites of CdS after the modification of ZnFe2O4 also played a key role in improving the efficiency of photocatalysis.
AB - In this study, ZnFe2O4/CdS composites have been successfully synthesized from decorating CdS nanospheres with ZnFe2O4 nanoparticles by a facile method. With the application of detection techniques such as X-ray diffraction, Raman spectra, X-ray photoelectron spectroscopy, high-resolution transmission electron microscopy, the crystalline structures, surface morphologies, and physicochemical performances of the samples have been investigated in this study. Photocatalytic activities of ZnFe2O4/CdS with different loading ratios under simulated visible light irradiation were discussed with malachite green (MG) as a degradation target. The results showed that 20 wt% ZnFe2O4/CdS possessed with the best catalytic activity, and the removal efficiency of MG could reach 96% in 120 min. Mechanistic research indicated that CdS and ZnFe2O4 could form a Type II heterojunction with stable interface, which was effective for separating photogenerated carriers. The increasing active sites of CdS after the modification of ZnFe2O4 also played a key role in improving the efficiency of photocatalysis.
UR - http://www.scopus.com/inward/record.url?scp=85076929971&partnerID=8YFLogxK
U2 - 10.1007/s10854-019-02662-6
DO - 10.1007/s10854-019-02662-6
M3 - 文章
AN - SCOPUS:85076929971
SN - 0957-4522
VL - 31
SP - 1472
EP - 1482
JO - Journal of Materials Science: Materials in Electronics
JF - Journal of Materials Science: Materials in Electronics
IS - 2
ER -