ICCAS OpenIR
Synthesis and characterization of titania prepared by using a photoassisted sol-gel method
Liu, HM; Yang, WS; Ma, Y; Cao, Y; Yao, JN; Zhang, J; Hu, TD
2003-04-01
Source PublicationLANGMUIR
ISSN0743-7463
Volume19Issue:7Pages:3001-3005
AbstractTitanium dioxide nanoparticles were prepared via a photoassisted sol-gel method in which ultraviolet light irradiation was used in the preparation process of TiO2 colloid. After characterization by X-ray diffraction, X-ray absorption near-edge structure MANES) at the Ti K-edge, laser Raman spectroscopy, X-ray photoelectron spectroscopy, and transmission electron microscopy, it was found that the amorphous titania nanoparticles prepared by a photoassisted sol-gel method can be transformed into crystalline anatase phase at lower calcination temperature compared to those prepared by a conventional sol-gel method. In addition, the particle size distribution of anatase powder samples is also affected by UV illumination on the colloid. It is suggested that UV illumination can induce the formation of oxygen vacancies on the colloid and this results in the accelerated phase transition from amorphous to anatase titania.
DOI10.1021/la026600o
Indexed BySCI
Language英语
WOS IDWOS:000181980900065
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/80734
Collection中国科学院化学研究所
Corresponding AuthorYao, JN
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Inst High Energy Phys, State Key Lab Synchrotron Radiat, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Liu, HM,Yang, WS,Ma, Y,et al. Synthesis and characterization of titania prepared by using a photoassisted sol-gel method[J]. LANGMUIR,2003,19(7):3001-3005.
APA Liu, HM.,Yang, WS.,Ma, Y.,Cao, Y.,Yao, JN.,...&Hu, TD.(2003).Synthesis and characterization of titania prepared by using a photoassisted sol-gel method.LANGMUIR,19(7),3001-3005.
MLA Liu, HM,et al."Synthesis and characterization of titania prepared by using a photoassisted sol-gel method".LANGMUIR 19.7(2003):3001-3005.
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