ZnFe2O4-TiO2 | Zendy

Aidong Tang | Zendy; Yuehua Deng | Zendy; Jiao Jin | Zendy; Huaming Yang | Zendy

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ZnFe2O4-TiO2

Author(s) -

Aidong Tang,

Yuehua Deng,

Jiao Jin,

Huaming Yang

Publication year - 2012

Publication title -

the scientific world journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.453

H-Index - 93

eISSN - 2356-6140

pISSN - 1537-744X

DOI - 10.1100/2012/480527

Subject(s) - high resolution transmission electron microscopy , materials science , anatase , photodegradation , rutile , nanocomposite , photocatalysis , nanoparticle , analytical chemistry (journal) , chemical engineering , nanotechnology , transmission electron microscopy , chemistry , organic chemistry , catalysis , engineering

A novel nanocomposite ZnFe 2 O 4 -TiO 2 /MCM-41 (ZTM) was synthesized by a sol-gel method and characterized through X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), N 2 adsorption-desorption, Raman spectroscopy, and ultraviolet visible (UV-vis) spectrophotometry. The results confirmed the incorporation of ZnFe 2 O 4 -TiO 2 nanoparticles inside the pores of the mesoporous MCM-41 host without destroying its integrity. ZnFe 2 O 4 nanoparticles can inhibit the transformation of anatase into rutile phase of TiO 2 . Incorporation of ZnFe 2 O 4 -TiO 2 within MCM-41 avoided the agglomeration of nanoparticles and reduced the band gap energy of TiO 2 to enhance its visible light photocatalytic activity. UV-vis absorption edges of ZTM nanocomposites redshifted with the increase of Zn/Ti molar ratio. The nanocomposite approach could be a potential choice for enhancing the photoactivity of TiO 2 , indicating an interesting application in the photodegradation and photoelectric fields.

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