caa a22 4500 463226011 CHVBK 20180405153227.0 cr unu---uuuuu 170326e20071101xx s 000 0 eng 10.1007/s10853-007-1902-5 doi (NATIONALLICENCE)springer-10.1007/s10853-007-1902-5 Visible-light responsive zinc ferrite doped titania photocatalyst for methyl orange degradation [Elektronische Daten] [Ping Cheng, Changsheng Deng, Mingyuan Gu, Wenfeng Shangguan] Visible-light responsive zinc ferrite doped titania (ZFDT) photocatalysts were prepared by sol-gel method. Diffuse Reflectance Spectroscopy (DRS) result shows that the absorption edge of ZFDT has moved to the visible spectrum range and a very large redshift occurs in comparison with the undoped titania. X-ray diffraction (XRD) results show that zinc ferrite can prevent the transformation of titania from anatase to rutile when the content of zinc ferrite is above 1.5%; while the phase transformation is promoted when its content is below 1.5%. In the latter case, zinc ferrite was assumed to exist as separate zinc and ferric cations in the lattice of titania in the form of oxides, both of which promote the phase transformation as previously reported in other literatures. Field emission scanning electron micrography (FE-SEM) shows that the average particle size of 1.5%ZnFe2O4/TiO2 calcined at 500°C is about 70nm. The photocatalytic experimental results exhibit that ZFDT powders can effectively photodegrade methyl orange under visible light irradiation and the maxium photoactivity is achieved when the amount of zinc ferrite is 1.5%. Springer Science+Business Media, LLC, 2007 Cheng Ping State Key Lab of New Ceramics and Fine Processing, Institute of Nuclure & New Energy Technology, Tsinghua University, 100084, Beijing, China aut Deng Changsheng State Key Lab of New Ceramics and Fine Processing, Institute of Nuclure & New Energy Technology, Tsinghua University, 100084, Beijing, China aut Gu Mingyuan State Key Laboratory of MMCs, Shanghai Jiaotong University, 200030, Shanghai, China aut Shangguan Wenfeng State Key Laboratory of MMCs, Shanghai Jiaotong University, 200030, Shanghai, China aut Journal of Materials Science Springer US; http://www.springer-ny.com 42/22(2007-11-01), 9239-9244 0022-2461 42:22<9239 2007 42 10853 https://doi.org/10.1007/s10853-007-1902-5 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10853-007-1902-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Cheng Ping State Key Lab of New Ceramics and Fine Processing, Institute of Nuclure & New Energy Technology, Tsinghua University, 100084, Beijing, China aut NATIONALLICENCE 700 1- Deng Changsheng State Key Lab of New Ceramics and Fine Processing, Institute of Nuclure & New Energy Technology, Tsinghua University, 100084, Beijing, China aut NATIONALLICENCE 700 1- Gu Mingyuan State Key Laboratory of MMCs, Shanghai Jiaotong University, 200030, Shanghai, China aut NATIONALLICENCE 700 1- Shangguan Wenfeng State Key Laboratory of MMCs, Shanghai Jiaotong University, 200030, Shanghai, China aut NATIONALLICENCE 773 0- Journal of Materials Science Springer US; http://www.springer-ny.com 42/22(2007-11-01), 9239-9244 0022-2461 42:22<9239 2007 42 10853 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer