Synthesis of homogeneous sphere-like Bi2WO6 nanostructure by silica protected calcination with high visible-light-driven photocatalytic activity under direct sunlight
作者： Thillai Sivakumar Natarajan , Hari C. Bajaj , Rajesh J. Tayade
DOI: 10.1039/C4CE01839G
关键词:
摘要: The homogeneous sphere-like morphology of bismuth tungstate (Bi2WO6) was synthesized by silica protected calcination using a facile hydrothermal method followed etching. flower-like Bi2WO6 structure without protection. SEM and TEM analysis the samples at different reaction times reveals that growth in situ formed nanoplates controlled protection which leads to formation structures Bi2WO6. retained up 1 h etching period with complete removal layer. Subsequently, both flower were used as photocatalysts for degradation reactive black 5 (RB5) dye under direct sunlight irradiation. Sphere-like exhibited excellent visible-light-driven photocatalytic efficiencies RB5 within 3 compared (45%, h) structure. enhancement activity confirmed kinetic studies, chemical oxygen demand, total organic carbon inorganic analysis.
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sci-hub.se 参考文章(52)
Lisha Zhang, Huanli Wang, Zhigang Chen, Po Keung Wong, Jianshe Liu, Bi2WO6 micro/nano-structures: Synthesis, modifications and visible-light-driven photocatalytic applications Applied Catalysis B-environmental. ,vol. 106, pp. 1- 13 ,(2011) , 10.1016/J.APCATB.2011.05.008
Meng Shang, Wenzhong Wang, Songmei Sun, Lin Zhou, Ling Zhang, Bi2WO6 Nanocrystals with High Photocatalytic Activities under Visible Light Journal of Physical Chemistry C. ,vol. 112, pp. 10407- 10411 ,(2008) , 10.1021/JP802115W
Zheng Lou, Jianan Deng, Lili Wang, Lijie Wang, Tong Zhang, None, Curling-like Bi2WO6 microdiscs with lamellar structure for enhanced gas-sensing properties Sensors and Actuators B-chemical. ,vol. 182, pp. 217- 222 ,(2013) , 10.1016/J.SNB.2013.02.091
Junwang Tang, Zhigang Zou, Jinhua Ye, Photocatalytic Decomposition of Organic Contaminants by Bi2WO6Under Visible Light Irradiation Catalysis Letters. ,vol. 92, pp. 53- 56 ,(2004) , 10.1023/B:CATL.0000011086.20412.AA
Su-Hua Chen, Zhen Yin, Sheng-Lian Luo, Chak-Tong Au, Xue-Jun Li, Preparation of magnetic Fe3O4/SiO2/Bi2WO6 microspheres and their application in photocatalysis Materials Research Bulletin. ,vol. 48, pp. 725- 729 ,(2013) , 10.1016/J.MATERRESBULL.2012.11.017
Rajesh J. Tayade, Ramchandra G. Kulkarni, Raksh V. Jasra, Enhanced Photocatalytic Activity of TiO2-Coated NaY and HY Zeolites for the Degradation of Methylene Blue in Water Industrial & Engineering Chemistry Research. ,vol. 46, pp. 369- 376 ,(2007) , 10.1021/IE060641O
Chuan Zhang, Yongfa Zhu, Synthesis of Square Bi2WO6 Nanoplates as High-Activity Visible-Light-Driven Photocatalysts Chemistry of Materials. ,vol. 17, pp. 3537- 3545 ,(2005) , 10.1021/CM0501517
M.F. Daniel, B. Desbat, J.C. Lassegues, R. Garie, Infrared and Raman spectroscopies of rf sputtered tungsten oxide films Journal of Solid State Chemistry. ,vol. 73, pp. 127- 139 ,(1988) , 10.1016/0022-4596(88)90062-X
Yu Huang, Zhihui Ai, Wingkei Ho, Meijuan Chen, Shuncheng Lee, Ultrasonic Spray Pyrolysis Synthesis of Porous Bi2WO6 Microspheres and Their Visible-Light-Induced Photocatalytic Removal of NO Journal of Physical Chemistry C. ,vol. 114, pp. 6342- 6349 ,(2010) , 10.1021/JP912201H
Ji Bong Joo, Michael Dahl, Na Li, Francisco Zaera, Yadong Yin, Tailored synthesis of mesoporous TiO2 hollow nanostructures for catalytic applications Energy and Environmental Science. ,vol. 6, pp. 2082- 2092 ,(2013) , 10.1039/C3EE41155A