Reduction of U(VI) to U(IV) on the surface of TiO2 anatase nanotubes
Reduction of U(VI) to U(IV) on the surface of TiO2 anatase nanotubes
- Author(s): M. Bonato ; G.C. Allen ; T.B. Scott
- DOI: 10.1049/mnl:20080007
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- Author(s): M. Bonato 1 ; G.C. Allen 1 ; T.B. Scott 1
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View affiliations
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Affiliations:
1: Interface Analysis Centre, University of Bristol, Bristol, UK
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Affiliations:
1: Interface Analysis Centre, University of Bristol, Bristol, UK
- Source:
Volume 3, Issue 2,
June 2008,
p.
57 – 61
DOI: 10.1049/mnl:20080007 , Online ISSN 1750-0443
Titanium dioxide nanotubes were investigated as an adsorbent for the uranyl ion from solution under UV irradiation. Results from X-ray photoelectron spectroscopy analysis clearly indicate the reduction of U(VI) to U(IV) on the oxide surface.
Inspec keywords: titanium compounds; ultraviolet radiation effects; semiconductor materials; photochemistry; X-ray photoelectron spectra; reduction (chemical); catalysts
Other keywords:
Subjects: Photoemission and photoelectron spectra (condensed matter); Radiation effects (semiconductor technology); Ultraviolet, visible and infrared radiation effects; Heterogeneous catalysis at surfaces and other surface reactions; Photolysis and photodissociation by IR, UV and visible radiation; Oxide and ferrite semiconductors; Specific chemical reactions; reaction mechanisms
References
-
-
1)
- R. Amadelli , A. Maldotti , S. Sostero , V. Carassiti . Photodeposition of uranium oxides onto TiO2 from aqueous uranyl soutions. J. Chem. Soc. Faraday Trans. , 19 , 3267 - 3273
-
2)
- L.X. Chen , T. Rajh , Z. Wang , M.C. Thurnauer . XAFS studies of surface structure of TiO2 nanoparticles and photocatalytic reduction of metal ions. J. Phys. Chem. B , 50 , 10688 - 10697
-
3)
- G.C. Allen , P.M. Tucker , J.W. Tyler . Oxidation of uranium dioxide at 298K studied by using X-ray photoelectron spectroscopy. J. Phys. Chem. , 2 , 224 - 228
-
4)
- C.J. Evans , G.P. Nicholson , D.A. Faith , M.J. Kan . Photochemical removal of uranium from a phosphate waste solution. Green Chem. , 4 , 196 - 197
-
5)
- G.C. Allen , J.A. Curtis , P.M. Tucker , D. Chadwick , P.J. Hampson . X-ray photoelectron spectroscopy of some uranium oxide phases. J. Chem. Soc. Dalton Trans. , 12 , 1296 - 1301
-
6)
- T.B. Scott , G.C. Allen , P.J. Heard , M. Randell . Reduction of U(VI) to U(IV) on the surface of magnetite. Geochim. Cosmochim. Acta , 24 , 5639 - 5646
-
7)
- M. Ferguson , M.R. Hoffmann , J.G. Hering . TiO2-photocatalyzed As(III) oxidation in aqueous suspensions: reaction kinetics and effect of adsorption. Environ. Sci. Technol. , 6 , 1880 - 1886
-
8)
- D.A. Gong , C. Grimes , O.K. Varghese . Titanium oxide nanotube arrays prepared by anodic oxidation. J. Mater. Res. , 12 , 3331 - 3334
-
9)
- C.D. Wagner , L.E. Davis , M.V. Zeller , J.A. Taylor , R.H. Raymond , L.H. Gale . Empirical atomic sensitivity factors for quantitative analysis by electron spectroscopy for chemical analysis. Surf. Interface Anal. , 5 , 211 - 225
-
10)
- J. Yu , H. Yu , B. Cheng , M. Zhou , X. Zhao . Enhance photocatalytic activity of TiO2 powder (P25) by hydrothermal treatment. J. Mol. Catal. A , 112 - 118
-
11)
- S.A. Blimes , P. Mandelbaum , F. Alvarez , N.M. Victoria . Surface and electronic structure of titanium dioxide photocatalyst. J. Phys. Chem. B , 42 , 9851 - 9858
-
12)
- V. Eliet , G. Bidoglio . Kinetic of the laser-induced photoreduction of U(VI) in aqueous suspension of TiO2 particles. Environ. Sci. Technol. , 20 , 3155 - 3161
-
13)
- G.C. Allen , N.R. Holmes . Surface characterisation of α-, β-, γ-, and δ-UO3 using X-ray photoelectron spectroscopy. J. Chem. Soc. Dalton Trans. , 12 , 3009 - 3015
-
14)
- J. Dalton , P.A. Janes , N.G. Jones , J.A. Nicholson , K.R. Hallam , G.C. Allen . Photocatalytic oxidation of NOx gases using TiO2: a surface spectroscopic approach. Environ. Pollut. , 2 , 415 - 422
-
15)
- G.C. Allen , N.R. Holmes . Mixed valency behaviour in some uranium oxides studies by X-ray photoelectron spectroscopy. Can. J. Appl. Spectrosc. , 5 , 124 - 130
-
16)
- R. Sanjines , H. Tang , H. Berger , F. Gozzo , G. Margaritondo , F. Levy . Electronic structure of anatase TiO2 oxide. J. Appl. Phys. , 6 , 2945 - 2951
-
17)
- B. Ohtani , Y. Ogawa , S. Nishimoto . Photocatalytic activity of amorphous-anatase mixture of titanium(IV) oxide particles suspended on aqueous solutions. J. Phys. Chem. B , 19 , 3746 - 3752
-
18)
- E. Selli , V. Eliet , M.R. Spini , G. Bidoglio . Effects of humic acid on the photoinduced reduction of U(VI) in the presence of semiconducting TiO2 particles. Environ. Sci. Technol. , 17 , 3742 - 3748
-
19)
- J. Chen , D.F. Ollis , W.H. Rulkens , H. Bruning . Photocatalyzed deposition and concentration of soluble uranium(VI) from TiO2 suspensions. Coll. Surf. , 339 - 349
-
1)