Sage Journals: Discover world-class research

Abstract

A co-precipitation method has been used to prepare ternary mixed oxides based on ceria with the general formula V_xCu_xCe_{1 – 2x}O₂, where x was varied between 0.05 and 0.45. The structural and surface properties as well as the morphologies of the solids were examined by thermogravimetric analysis, differential scanning calorimetry, X-ray diffraction studies, nitrogen adsorption isotherms, Fourier-transform infrared spectroscopy and scanning electron microscopy.

For samples where the vanadium and copper content was low (x ≤ 0.3), the surface area increased and the pore distribution shifted towards the micropore range. The sample V_0.05Cu_0.05Ce_0.9O₂ exhibited the highest surface area and the sample V_0.45Cu_0.45Ce_0.1O₂ the smallest. The samples were calcined within the temperature range 473–1073 K. When the vanadium content was increased to x ≥ 0.3 and the calcination temperature set at 673 K, a phase with composition CeVO₄ was detected via X-ray diffractometry, in addition to a V₂O₅ and a CeO₂ phase. The FT-IR spectra confirmed the above results.

References

Abi-Aad

Matta

Coursot

and Aboukais

(2006) J. Mater. Sci. 41, 1827.

Attipa

and Theocharis

C.R.

(2006) Stud. Surf. Sci. Catal. 160, 615.

Attipa

and Theocharis

C.R.

(2009) Characterisation of Porous Solids VIII, Proc. 8th Int. Symp. Characterisation of Porous Solids, Edinburgh

U.K.

Seaton

Reinoso

F.R.

Llewellyn

Kaskel

, Eds, Royal Society of Chemistry, London, p. 334.

Attipa

Kokkinofta

and Theocharis

C.R.

(2009) Characterisation of Porous Solids VIII, Proc. 8th Int. Symp. Characterisation of Porous Solids, Edinburgh

U.K.

Seaton

Reinoso

F.R.

Llewellyn

Kaskel

, Eds, Royal Society of Chemistry, London, p. 64.

Chang

H.Y.

and Chen

H.I.

(2005) J. Cryst. Growth 283, 457.

Chen

H.I.

and Chang

H.Y.

(2005) Ceram. Int. 31, 795.

Chen

(2006) Mater. Lett. 60, 1859.

Cousin

Capelle

Abi-Aad

Coursot

and Aboukais

(2001) Chem. Mater. 13, 3862.

Cousin

Capelle

Abi-Aad

Coursot

and Aboukais

(2007) Appl. Catal. B 70, 247.

10.

Garcia

M.F.

Arias

Martinez A.

Ruiz

A.G.

Conesa

J.C.

and Soria

(2002) J. Catal. 211, 326.

11.

Zhang

Auroux

and Shen

(2006) Thermochim. Acta 451, 84.

12.

Hocevar

Batista

and Levec

(1999) J. Catal. 184, 39.

13.

Mahapatra

Madras

and Row

T.N.G.

(2007) Ind. Eng. Chem., Res. 46, 1013.

14.

Matta

Coursot

Abi-Aad

and Aboukais

(2002) Chem. Mater. 14, 4118.

15.

Narayana

K.V.

Raju

B.D.

Masthan

S.K.

Rao

V.V.

Rao

P.K.

and Martin

(2004) J. Mol. Catal. A 223, 321.

16.

Natile

M.M.

Boccaletti

and Glisenti

(2005) Chem. Mater. 17, 6272.

17.

Parler

C.M.

Ritter

J.A.

and Amiridis

M.D.

(2001) J. Non-Cryst. Solids 279, 119.

18.

Radhika

and Sugunan

(2006) J. Mol. Catal. A 250, 169.

19.

Reddy

B.M.

Lakshmanan

and Khan

(2003) J. Phys. Chem. B 108, 16–855.

20.

Shan

Shen

and Li

(2003) Chem. Mater. 15, 4761.

21.

Sharman

Nakayama

Grandjean

Benfield

R.E.

Olsson

Niihara

and Wallenberg

L.R.

(2002) Chem. Mater. 14, 3686.

22.

Shyue

J.-J.

and De Guire

M.R.

(2005) Chem. Mater. 17, 5550.

23.

Sunstrom

Moser

and Marshik-Guerts

W.R.B.

(1996) Chem. Mater. 8, 2061.

24.

Theocharis

C.R.

Attipa

Hapeshi

Tillirou

and Kokkinofta

(2008) Adsorpt. Sci. Technol. 26, 643.

25.

Tschöpe

Trudeau

M.L.

and Ying

J.Y.

(1999) J. Phys. Chem. B 103, 8858.

26.

Zhao

and Gorte

R.J.

(2003) Appl. Catal. A 248, 9.

27.

Zhu

Liu

Meng

and Cao

(2007) J. Nanopart. Res. 9, 261.

Investigation of the Synthesis and Properties of Ternary V–Cu–Ce Oxides of Composition V x Cu x Ce 1 – 2x O 2

Abstract

References