期刊论文

Chen, Mansheng;Liang, Fupei

英文

Ceramics International

0272-8842

2017

43

17

16027-16031

10.1016/j.ceramint.2017.08.148

The SEM images of ZnO/ZnFe2O4(0), ZnO/ZnFe2O4(3) and ZnO/ZnFe2O4(6) particles are shown in Fig. 1a, b and c, respectively. It can be seen that the NaOH etching process does not change the product size, but changes the morphology, and a higher concentration of TEOS results in a rougher particle surface. A Scanning Transmission Electron Microscopy (STEM) image from ZnO/ZnFe2O4(0) is displayed in Fig. 1d, and corresponding Zn and Fe elemental mappings are presented in Fig. 1e and f, which show

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This paper reported a novel method to synthesize porous ZnO/ZnFe2O4 particles by chemically etching ZnO/ZnO2O4/SO2 composite particles in an alkaline solution, and the porosity of the particles could be tailored by controlling the concentration of SO2 in the ZnO/ZnO2O4/SO2 composites. The photocatalytic performance of both solid and porous ZnO/ZnFe2O4 particles was investigated in methylene blue (MB) degradation reaction. The results showed that the particles with higher porosity displayed a higher catalytic performance, which was indicated by ...