1. Bahnemann, W., M. Muneer and M. Haque, 2007. Titanium dioxide-mediated photocatalysed degradation of few selected organic pollutants in aqueous suspensions. Catalysis Today, 124(3): 133-148.
2. Benhebal, H., M. Chaib, T. Salmon, J. Geens, A. Léonard, S.D. Lambert, M. Crine and B. Heinrichs, 2013. Photocatalytic degradation of phenol and benzoic acid using zinc oxide powders prepared by the sol–gel process. Alexandria Engineering Journal, 52(3): 517-523.
3. Khan, M.M., S.F. Adil and A.A. Mayouf, 2015. Metal oxide as photocatalysts. Journal of Saudi chemical society, 19(5): 462-464.
4. Mills, A. and R. Davies, 1995. Activation energies in semiconductor photocatalysis for water purification: the 4-chlorophenol-TiO 2 O 2 photosystem. Journal of Photochemistry and Photobiology A: Chemistry, 85(1): 173-178.
5. Wang, M., J. Ioccozia, L. Sun, C. Lin and Z. Lin, 2014. Inorganic- modified semiconductor TiO 2 nanotube arrays for photocatalysis. Energy & Environmental Science, 7(7): 2182-2202.
6. Akpan, U. and B. Hameed, 2009. Parameters affecting the photocatalytic degradation of dyes using TiO 2-based photocatalysts: a review. Journal of hazardous materials, 170(2): 520-529.
7. Gharagozlou, M. and R. Bayati, 2014. Photocatalytic activity and formation of oxygen vacancies in cation doped anatase TiO 2 nanoparticles. Ceramics International, 40(7): 10247-10253.
8. Ma, D., Y.Xin, M. Gao and J. Wu, 2014. Fabrication and photocatalytic properties of cations and anions S-doped TiO2 nanofibers by electrospinning. Applied Catalysis B: Environmental, 147(1): 49-57.
9. Li, G., L. Chen, N.M. Dimitrijevic and K.A. Gray, 2008. Visible light photocatalytic properties of anion-doped TiO 2 materials prepared from a molecular titanium precursor. Chemical Physics Letters, 451(1): 75-79.
10. Likodimos, V., C. Han, M. Pelaez, A.G. Kontos, G. Liu, D. Zhu, S. Liao, A.A. de la Cruz, K. O’Shea and P.S. Dunlop, 2013. Anion-doped TiO2 nanocatalysts for water purification under visible light. Industrial & Engineering Chemistry Research, 52(39): 13957-13964.
11. Li, Y., S. Yao, W. Wen, L. Xue and Y. Yan, 2010. Sol–gel combustion synthesis and visible-light-driven photocatalytic property of perovskite LaNiO 3. Journal of Alloys and Compounds, 491(1): 560-564.
12. Mahata, P., T. Aarthi, G. Madras and S. Natarajan, 2007. Photocatalytic degradation of dyes and organics with nanosized GdCoO3. The Journal of Physical Chemistry C, 111(4): 1665-1674.
13. Saha, D., S. Mahapatra, T.G. Row and G. Madras, 2009.
Synthesis, Structure, and Photocatalytic Activity in Orthorhombic Perovskites LnVO3 and Ln1− x Ti x VO3 (Ln= Ce, Pr, and Nd). Industrial & Engineering Chemistry Research, 48(16): 7489-7497.
14. Sulaeman, U., S. Yin and T. Sato, 2011. Visible light photocatalytic activity induced by the carboxyl group chemically bonded on the surface of SrTiO 3. Applied Catalysis B: Environmental, 102(1): 286-290.
15. Anandan, S., Y. Ikuma and V. Murugesan, 2011. Highly active rare-earth-metal La-doped photocatalysts: fabrication, characterization, and their photocatalytic activity. International Journal of Photoenergy, 2012.
16. Tang, J., Z. Zou and J. Ye, 2007. Efficient photocatalysis on BaBiO3 driven by visible light. The Journal of Physical Chemistry C, 111(34): 12779-12785.
17. Bobić, J.D., M.M. Vijatović, T. Rojac and B.D. Stojanović, 2009. Characterization and properties of barium bismuth titanate. Processing and Application of Ceramics, 3(1-2): 9-12.
18. Bobić, J., M.V. Petrović, J. Banys and B. Stojanović, 2012. Electrical properties of niobium doped barium bismuth-titanate ceramics. Materials Research Bulletin, 47(8): 1874-1880.
19. Rosyidah, A., D. Onggo, K. Khairurrijal and I. Ismunandar, 2010. FERROELECTRIC PROPERTIES OF BaBi 4 T i4 O 15 DOPED WITH Pb 2+, Al 3+, Ga 3+, In 3+, Ta 5+ AURIVILLIUS PHASES. Indonesian Journal of Chemistry, 9(3): 398-403.
20. Nalini, G. and T. Guru Row, 2002. Structure determination at room temperature and phase transition studies above T c in ABi 4 Ti 4 O 15 (A= Ba, Sr or Pb). Bulletin of Materials Science, 25(4): 275-281.
21. Kumar, S. and K. Varma, 2014. Relaxor behaviour in BaBi4Ti4O15 ceramics fabricated using the powders obtained by mechanochemically assisted synthesis route. Bulletin of Materials Science, 37(6): 1233-1241.
22. Razavia, R.S., M.R.L. Estarkib and M.F. Khouzani, 2012. Synthesis and Charaterization of ZnO nanostructures by Polmeric Precursor Route. Acta Physica Polonica A, 121(1): 98-100.
23. Santos, J., I. Aparicio and E. Alonso, 2007. Occurrence and risk assessment of pharmaceutically active compounds in wastewater treatment plants. A case study: Seville city (Spain). Environment International, 33(4): 596-601.
24. Quero-Pastor, M., M. Garrido-Perez, A. Acevedo and J. Quiroga, 2014. Ozonation of ibuprofen: a degradation and toxicity study. Science of the Total Environment, 466: 957-964.
25. Kwon, M., S. Kim, Y. Yoon, Y. Jung, T.-M. Hwang, J. Lee and J.-W. Kang, 2015. Comparative evaluation of ibuprofen removal by UV/H 2 O 2 and UV/S 2 O 8 2− processes for wastewater treatment. Chemical Engineering Journal, 269: 379-390.
26. Sunarso, J., S. Liu, Y. Lin and J.D. da Costa, 2009. Oxygen permeation performance of BaBiO 3− δ ceramic membranes. Journal of membrane science, 344(1): 281-287.
27. LAZAREVIĆ, Z., N. ROMČEVIĆ and J. BOBIĆ, Study of ferroelectric BaBi4Ti4O15 obtained via mechanochemical synthesis.
28. Sreenu, K., T. Bhargavi and K.L. Kabeta, 2014. Characterization and Phase Transitions of Bi Doped BaTiO 3 Ceramics Prepared through Chemical Route. Science, Technology and Arts Research Journal, 3(1): 39-43.
29. Dharma, J., A. Pisal and C. Shelton, 2009. Simple method of measuring the band gap energy value of TiO2 in the powder form using a UV/Vis/NIR spectrometer. Application Note Shelton, CT: PerkinElmer.
30. Lee, C., K.Y. Song and R. Sperline, 1996. Molecular Dyamics Simulation and Far Infrared Measurements of $ Ba_ {0.6} K_ {0.4} BiO_3$. Korean Journal of Materials Research, 6(6): 555-560.
31. Vasconcelos, D.C.L., E.H.M. Nunes, M. Gasparon and W.L. Vasconcelos, 2011. Infrared spectroscopy of titania sol-gel coatings on 316L stainless steel. Materials Sciences and Applications, 2(10): 1375.
32. Zhao, X., J. Qu, H. Liu, Z. Qiang, R. Liu and C. Hu, 2009. Photoelectrochemical degradation of anti-inflammatory pharmaceuticals at Bi 2 MoO 6–boron-doped diamond hybrid electrode under visible light irradiation. Applied Catalysis B: Environmental, 91(1): 539-545.
33. Mendez-Arriaga, F., S. Esplugas and J. Gimenez, 2010.Degradation of the emerging contaminant ibuprofen in water by photo-Fenton. water research, 44(2): 589-595.
34. Li, X., Y. Wang, S. Yuan, Z. Li, B. Wang, J. Huang, S. Deng and G. Yu, 2014. Degradation of the anti-inflammatory drug ibuprofen by electro-peroxone process. Water research, 63: 81-93.