Citation: ZHANG Qin-Ku, YAO Bing-Hua, YU Yan, LU Pan, PANG Bo, XIONG Min. Effects of Calcination Temperature on Crystal Structure and Photocatalytic Activity of In₂TiO₅ Nanobelts[J]. Chinese Journal of Inorganic Chemistry, ;2015, 31(10): 1953-1958. doi: 10.11862/CJIC.2015.175 shu

Effects of Calcination Temperature on Crystal Structure and Photocatalytic Activity of In₂TiO₅ Nanobelts

ZHANG Qin-Ku ^1,2 ,
YAO Bing-Hua ^1,3,, ,
YU Yan ³ ,
LU Pan ¹ ,
PANG Bo ¹ ,
XIONG Min ¹

1.
1 Department of Applied Chemistry, Xi'an University of Technology, Xi'an 710048, China;
2.
2 Department of Building Engineering, Yulin University, Yulin, Shaanxi 719000, China;
3.
3 Shaanxi Key Laboratory of Comprehensive Utilization of Tailings Resources(Shangluo University), Shangluo, Shaanxi 726000, China

Corresponding author: YAO Bing-Hua,
Received Date: 12 January 2015
Available Online: 13 May 2015
Fund Project: 国家自然科学基金(No.21276208) (No.21276208)陕西省矿产资源综合利用重点实验室开放基金(No.2014SKY-WK003) (No.2014SKY-WK003)陕西省教育厅专项基金(No.15JK1862) (No.15JK1862)

In₂TiO₅ nanobelts were fabricated by means of electrospinning using Ti(OC₄H₉)₄、In(NO₃)₃ and polyvinyl pyrrolidone(PVP-K30) as raw materials. The nanobelts calcined at different temperature were characterized by XRD, SEM, UV-Vis DRS and N₂ adsorption-desorption isotherms. The influences of the calcination temperatures on the crystallite size, morphology, BET specific surface area and pore size of In₂TiO₅ nanobelts was studied. The photocatalytic activity of the as-prepared In₂TiO₅ nanobelts was evaluated by the photocatalytic degradation of levofloxacin (LEV) of fluoroquinolone antibiotics under the irradiation of the high pressure mercury lamp (125 W). The results show the significant effect of calcination temperature on the morphology and photocatalytic activity of In₂TiO₅ nanobelts. When the calcination temperature is 800℃, the In₂TiO₅ nanobelts prepared exhibit the best photocatalytic activity with smooth surface, the width of (552±58) nm and thickness of 140 nm. The degradation rate of LEV can be up to 95% after 60 min of irradiation.
- In₂TiO₅ nanobelts;electrospinning;calcinations temperature;photocatalysis;degradation
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Effects of Calcination Temperature on Crystal Structure and Photocatalytic Activity of In₂TiO₅ Nanobelts