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Fabrication of Porous TiO2 Hollow Spheres and Their Application in Gas Sensing
Yang, Gang1,2; Hu, Peng1; Cao, Yuebin1; Yuan, Fangli1; Xu, Ruifen2; Yuan, FL
2010-09-01
Source PublicationNANOSCALE RESEARCH LETTERS
ISSN1931-7573
Volume5Issue:9Pages:1437-1441
AbstractIn this work, porous TiO(2) hollow spheres with an average diameter of 100 nm and shell thickness of 20 nm were synthesized by a facile hydrothermal method with NH(4)HCO(3) as the structure-directing agent, and the formation mechanism for this porous hollow structure was proved to be the Ostwald ripening process by tracking the morphology of the products at different reaction stages. The product was characterized by SEM, TEM, XRD and BET analyses, and the results show that the as-synthesized products are anatase phase with a high surface area up to 132.5 m(2)/g. Gas-sensing investigation reveals that the product possesses sensitive response to methanal gas at 200 degrees C due to its high surface area.
KeywordPorous Tio(2) Hollow Sphere Hydrothermal Synthesis Gas Sensing
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1007/s11671-010-9658-2
Indexed BySCI
Language英语
WOS KeywordSENSITIZED SOLAR-CELLS ; MESOPOROUS TIO2 ; PHOTOCATALYTIC PROPERTIES ; FILMS ; NANOSPHERES ; MECHANISM ; SENSOR ; ZNO
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000280846000010
Citation statistics
Cited Times:34[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5721
Collection多相复杂系统国家重点实验室
Corresponding AuthorYuan, FL
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Beijing Univ Chem Technol, Coll Mat Sci & Engn, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Yang, Gang,Hu, Peng,Cao, Yuebin,et al. Fabrication of Porous TiO2 Hollow Spheres and Their Application in Gas Sensing[J]. NANOSCALE RESEARCH LETTERS,2010,5(9):1437-1441.
APA Yang, Gang,Hu, Peng,Cao, Yuebin,Yuan, Fangli,Xu, Ruifen,&Yuan, FL.(2010).Fabrication of Porous TiO2 Hollow Spheres and Their Application in Gas Sensing.NANOSCALE RESEARCH LETTERS,5(9),1437-1441.
MLA Yang, Gang,et al."Fabrication of Porous TiO2 Hollow Spheres and Their Application in Gas Sensing".NANOSCALE RESEARCH LETTERS 5.9(2010):1437-1441.
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