Effect of Different Calcination Temperatures on the Structural and Photocatalytic Performance of Bi-TiO2/SBA-15

Release time:2024-08-09  Hits:

• Affiliation of Author(s):化学与化工学院
• Journal:International Journal of Photoenergy
• Key Words:中文关键字：Bi‐TiO2/SBA‐15;光催化;焙烧温度;转化;晶型，英文关键字：Bi‐TiO2/SBA‐15, Photoactivity, Calcination tempera
• Abstract:Bi‐doped TiO2/SBA‐15 (Bi‐TiO2/SBA‐15) was synthesized by wet impregnation method. A combination of XRD, XPS, Raman, N2 adsorption–desorption isotherm measurement, TEM as well as solid state UV–vis spectroscopy has been used to characterize the Bi‐TiO2/SBA‐15 materials. It was found that SBA‐15 retained the ordered hexagonal mesostructure after incorporation of TiO2 and Bi. TiO2 nanoparticles and Bi species dispersed well and anchored both in the channel and the wall of SBA‐15. The photocatalytic activity was evaluated on photodegradation of Rhodamine B (RhB) under visible light irradiation (λ≥420nm). The Experiment results indicated that Bi‐TiO2/SBA‐15 exhibited high photocatalytic activities than pure TiO2 owing to the synergetic effects of Bi species and TiO2. The calcination temperature strongly influenced the activity of the samples. The sample calcined at 550℃ shows highest photocatalytic activity in the decomposition of RhB under visible light.
• Note:SCI
• Co-author:Chu,Liang-shengQiang,JuanqinXue
• First Author:Ma Jing
• Indexed by:Journal paper
• Volume:卷：2013
• Issue:期：
• Page Number:页：10 pages (ID 875456).
• Translation or Not:no
• Date of Publication:2013-03-01