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TiO2 nanorods with exposed {100} facet and their photocatalytic properties
Wang Changhua 1,Zhang Xintong 2 * #,Zhang Yanli 2,Yuan Bo 3,Yang Jikai 2,Sun Panpan 2,Liu Yichun 2
1.Centre for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, People’s Republic of China;College of Chemistry and Biology, Beihua University, Jilin 132013, People’s Republic of China.
2.Centre for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, People’s Republic of China
3.College of Chemistry and Biology, Beihua University, Jilin 132013, People’s Republic of China.
*Correspondence author
#Submitted by
Subject:
Funding: National Natural Science Foundation of China (No.Grant No. 50802014, 51072032 and 51102001), Program for New Century Excellent Talents in University)
Opened online: 6 March 2012
Accepted by: none
Citation: Wang Changhua,Zhang Xintong,Zhang Yanli.TiO2 nanorods with exposed {100} facet and their photocatalytic properties[OL]. [ 6 March 2012] http://en.paper.edu.cn/en_releasepaper/content/4468861
 
 
Anatase TiO2 nanorods with exposed {100} facets were prepared by employing simple NaCl assisted hydrothermal technique from hydrogen titanate nanosheet precursor. The structural characteristics and formation mechanism of the anatase TiO2 nanorods was deduced from XRD, SEM and TEM characterizations, which revealed that formation of TiO2 nanorods were derived from a combined effect of phase transition retard from hydrogen tiantate to anatase TiO2 induced by Na ion and selective adsorption of Cl ion on the{100} facets of anatase TiO2 crystals. Photocatalytic performance indicated that the TiO2 nanorods with high-energy {100} facet exposure exhibit much higher activities than that of rhombic nanoparticles with low-energy {101} facet exposure for the degradation of organic contaminants.
Keywords:physical chemistry;TiO2; high energy facet; titanate; photocatalytic
 
 
 

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