Effect of scandium on the structural and photocatalytic properties of titanium dioxide thin films
Source abstract
Abstract
Pure and scandium doped-TiO2 thin films were prepared by the sol-gel process and coated by dip coating. The effects of scandium on the phase formation, optical properties and photoactivity of the TiO2 thin films were investigated. The lattice parameters and the crystallinity of the anatase phase, characterized by the Rietveld method, demonstrated that scandium doping affected the structural parameters and crystallinity of the films, modifying the absorption edge. A direct correlation was found between band gap energy and photodegradation efficiency, with lower values of band gap energy augmenting this efficiency. Moreover, a significant improvement in the catalyst’s photodegradation efficiency was attained with a scandium concentration of 5.0 mol%.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · TiO2 Photocatalysis and Solar Cells · Ga2O3 and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (21)
Show source-provided references
1. Yates HM, Nolan MG, Sheel DW, Pemble ME (2006) J Photochem Photobiol A Chem 179:21310.1016/j.jphotochem.2005.08.018 ↗
2. Keller V, Bernhardt P, Garin F (2003) J Catal 215:12910.1016/S0021-9517(03)00002-2 ↗
3. Choi H, Stathatos E, Dionysiou DD (2006) Appl Catal B Environ 63:6010.1016/j.apcatb.2005.09.012 ↗
4. Ternes T (1998) Water Res 32(11):324510.1016/S0043-1354(98)00099-2 ↗
5. Quintero B, Miranda MA (2000) Ars Pharm 41(1):27
6. Suh HMS, Choi JR, Hah HJ, Koo SM, Bae YC (2004) J Photochem Photobiol A Chem 163:3710.1016/S1010-6030(03)00428-3 ↗
7. Yamaguchi F, Fujita T, Kanega Y, Ui K, Idemoto Y, Koura N (2004) Electrochemistry 72:15610.5796/electrochemistry.72.156 ↗
8. Shchukin D, Ustinovich E, Sviridov D, Pichat P (2004) Photochem Photobiol Sci 3:14210.1039/b306077b ↗
9. Zang L, Lange C, Maier WF, Abraham I, Storck S, Kisch H (1998) J Phys Chem B 102:1076510.1021/jp981755j ↗
10. Harada H, Hidaka H, Ueda T (1985) Res Bull Meisei Univ 21:45
11. Kisch H, Zang L, Lange C, Maier WF, Antonius C, Meissner D (1998) Angew Chem 110:320110.1002/(SICI)1521-3757(19981102)110:21<3201::AID-ANGE3201>3.0.CO;2-J ↗
12. Chao HE, Yun YU, Xingfang HU, Larbot A (2003) J Eur Ceram Soc 23:14457
13. Moonsiri M, Rangsunvigit P, Chavade S, Gulari E (2004) Chem Eng J 97:24110.1016/j.cej.2003.05.003 ↗
14. Cannon AS, Morelli A, Pressler W, Warner JC, Guarrera D (2005) J Sol-Gel Sci Technol 36:15710.1007/s10971-005-5287-0 ↗
15. Rietveld HM (1969) J Appl Cryst 10:6510.1107/S0021889869006558 ↗
16. Young RA, Wiles DB (1982) J Appl Cryst 15:43010.1107/S002188988201231X ↗
17. Young RA, Larson AC, Paiva-Santos CO (1998) In: User’s guide to program DBWS-9807 for Rietveld analysis of X-ray and neutron powder diffraction patterns. School of Physics, Georgia Institute of Technology, Atlanta, GA
18. Shannon RD (1976) Acta Cryst A32:75110.1107/S0567739476001551 ↗
19. Guang-Lei T, Hong-Bo H, Jian-Da S (2005) Chinese Phys Lett 22:178710.1088/0256-307X/22/7/062 ↗
20. Tanaka FS, Wien RG (1979) J Agric Food Chem 27(2):31110.1021/jf60222a017 ↗
21. Koutsouba P, Dasenakis M, Hiskia A, Tsipi D (2001) In: Proceedings of the 7th international conference on environmental science and technology, Ermoupolis, Syros Island, Greece