NDLI: V$_{2}$O$_{5}$-TiO$_{2}$ heterostructural semiconductors: Synthesis and photocatalytic elimination of organic contaminant

Content Provider	Springer Nature Link
Author	Isleyen, Meltem Ilkme, Eda Sinirtas Soylu, Gulin Selda Pozan
Copyright Year	2017
Abstract	V$_{2}$O$_{5}$-TiO$_{2}$ binary oxide catalysts were successfully prepared with different wt% V$_{2}$O$_{5}$ loading by solid state mechanical mixing (SSDMMix), and these nanocomposites were modified with hexadecyltrimethylammonium bromide (HTAB) and cetyl trimethylammonium bromide (CTAB) and polyvinyl alcohol (PVA) as surfactant. The resulting catalysts were characterized by X-ray diffraction (XRD), diffuse reflectance spectroscopy (DRS), scanning electron microscopy (SEM), Braun-Emmet-Teller (BET) analysis of surface area techniques. The photocatalytic activities of all samples were evaluated by degradation of 4-chlorophenol (4CP) in aqueous solution under UV irradiation. 50 wt% V$_{2}$O$_{5}$-TiO$_{2}$ photocatalyst exhibited much higher photocatalytic activity than pure V$_{2}$O$_{5}$, TiO$_{2}$ and P-25. The interaction between V$_{2}$O$_{5}$ and TiO$_{2}$ affected the photocatalytic efficiency of binary oxide catalysts. In addition, CTAB and HTABassisted samples significantly enhanced the efficiency of 50V$_{2}$O$_{5}$-TiO$_{2}$ binary oxide catalyst. The highest percentage of 4-chlorophenol degradation (100%) and highest reaction rate (1.69mg L$^{−1}$ min$^{−1}$) were obtained in 30 minutes with (50V$_{2}$O$_{5}$-TiO$_{2}$)-CTAB catalyst. It is concluded that the addition of surfactant to binary oxide remarkably enhanced the photocatalytic activity by modifying the optical and electronic properties of V$_{2}$O$_{5}$ and TiO$_{2}$.
Starting Page	1786
Ending Page	1792
Page Count	7
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	34
Issue Number	6
e-ISSN	19757220
Language	English
Publisher	Springer US
Publisher Date	2017-05-05
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Photocatalysis 4-Chlorophenol V$_{2}$O$_{5}$-TiO$_{2}$ UV Irradiation Characterization Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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