Shiping, Xu., Jiawei, Ng., Xiwang, Z., Hongwei, B., Darren, S. (2011). Adsorption and photocatalytic degradation of Acid Orange 7 over hydrothermally synthesized mesoporous TiO2
nanotube. Colloids and surfaces A: physicochemical and engineering aspects
, 379 (1–3
 Sergi, G., Sergi, D.b., Josep, M., Guilemany, b., Enric, B. (2013). Solar photoelectrocatalytic degradation of Acid Orange 7 azo dye using a highly stable TiO2
photoanode synthesized by atmospheric plasma spray. Applied catalysis B: environmental
 Nematollah, J
., Sahand, J.,
., Mehdi, A
., Gelavizh, B
. (2018). The performance study on ultrasonic/Fe3
for degradation of azo dye and real textile wastewater treatment. Journal of molecular liquids
 Gupta, V. K., Mittal, A., Gajbe, V., Mittal, J. (2006). Removal and recovery of the hazardous azo dye acid orange 7 through adsorption over waste materials: bottom ash and de-oiled soya. Industrial and engineering chemistry research, 45(4), 1446-1453.
 Aber, S., Daneshvar, N., Soroureddin, S. M., Chabok, A., Asadpour-Zeynali, K. (2007). Study of acid orange 7 removal from aqueous solutions by powdered activated carbon and modeling of experimental results by artificial neural network. Desalination, 211(1-3), 87-95.
 Özcan, A., Oturan, M. A., Oturan, N., Şahin, Y. (2009). Removal of Acid Orange 7 from water by electrochemically generated Fenton's reagent. Journal of hazardous materials, 163(2-3), 1213-1220.
 Greluk, M., Hubicki, Z. (2011). Efficient removal of Acid Orange 7 dye from water using the strongly basic anion exchange resin Amberlite IRA-958. Desalination, 278(1-3), 219-226.
 Ji, P., Zhang, J., Chen, F., Anpo, M. (2009). Study of adsorption and degradation of acid orange 7 on the surface of CeO2 under visible light irradiation. Applied catalysis B: environmental, 85(3-4), 148-154.
 Muhd Julkapli, N., Bagheri, S., Bee Abd Hamid, S. (2014). Recent advances in heterogeneous photocatalytic decolorization of synthetic dyes. The scientific world journal, 2014.
 Antonopoulou, M., Kosma, C., Albanis, T., & Konstantinou, I. (2020). An overview of homogeneous and heterogeneous photocatalysis applications for the removal of pharmaceutical compounds from real or synthetic hospital wastewaters under lab or pilot scale. Science of the total environment,765, 144163.
 Zhao, J., Gea, S., Pana, D., Shao, Q., Linb, J., Wangc, Z., Hud, Z., Wue, T., Guo, Z. (2018). Solvothermal synthesis, characterization and photocatalytic property of zirconium dioxide doped titanium dioxide spinous hollow microsphereswith sunflower pollen as bio-templates. Journal of colloid and interface science, 529,111-121.
 Pirzada, B. M., Mir, N. A., Qutub, N., Mehraj, O., Sabir, S., Muneer, M. (2015). Synthesis, characterization and optimization of photocatalytic activity of TiO2/ZrO2 nanocomposite heterostructures. Materials Science and engineering: B, 193, 137-145.
, E. (2020). A CeO2
Semiconductor as a Photocatalytic and photoelectrocatalytic material for the remediation of pollutants in industrial wastewater: A review. Catalysts
 Bakkiyaraj, R., Bharath, G., Ramsait, K. H., Abdel-Wahab, A., Alsharaeh, E. H., Chen, S. M., Balakrishnan, M. (2016). Solution combustion synthesis and physico-chemical properties of ultrafine CeO2 nanoparticles and their photocatalytic activity. RSC advances, 6(56), 51238-51245.
 Prabhu, S., Viswanathan, T., Jothivenkatachalam, K., Jeganathan, K. (2014). Visible light photocatalytic activity of CeO2-ZnO-TiO2 composites for the degradation of rhodamine B. Indian journal of materials science, 2014, 1-10.
 Ahmad, U.R., Kumar, M.S., Akhtar, G., Kumar, S.H., Kim. (2015). Growth and properties of well-crystalline cerium oxide (CeO2
) nanoflakes for environmental and sensor applications. Journal of colloid and interface science
 Hu, S., Zhou, F., Wang, L., Zhang, J., (2011). Preparation of Cu2O/CeO2 heterojunction photocatalyst for the degradation of Acid Orange 7 under visible light irradiation. Catalysis communications, 12(9),794–797.
 SILVA, W. J. D., SILVA, M. R., Takashima, K. (2015). Preparation and characterization of Zno/CuO semiconductor and photocatalytic activity on the decolorization of direct red 80 azodye. Journal of the chilean chemical society, 60(4), 2749-2751.
 Asl, I.M., Ghazi, M.M., Jahangiri M. (2016). Synthesis, characterization and degradation activity of Methyl orange Azo dye using synthesized CuO/α-Fe2O3 nanocomposite. Advances in environmental technology, 4, 169-177.
 Zoolfakar, A. S., Rani, R. A., Morfa, A. J., O'Mullane, A. P., Kalantar-Zadeh, K. (2014). Nanostructured copper oxide semiconductors: a perspective on materials, synthesis methods and applications. journal of materials chemistry c, 2(27), 5247-5270.
 Wen, W., and Wu, J. (2014). Nanomaterials via solution combustion synthesis: a step nearer to controllability. RSC advances, 4, 580–8100.
 Hu, S., Zhou, F., Wang, L., Zhang, J., (2011). Preparation of Cu2O/CeO2 heterojunction photocatalyst for the degradation of Acid Orange 7 under visible light irradiation. Catalysis communications,12(9),794–797.
 Chan, Y. N., Hsu, R. S., Lin, J. J. (2010). Mechanism of silicate platelet self-organization during clay-initiated epoxy polymerization. The journal of physical chemistry C, 114(23), 10373-10378.
 Mageshwari, K., Nataraj, D., Pal, T., Sathyamoorthy, R., Park, J. (2015). Improved photocatalytic activity of ZnO coupled CuO nanocomposites synthesized by reflux condensation method. Journal of alloys and compounds, 625, 362-370.
 Yang, L., Chu, D., Wang, L. (2016). CuO core–shell nanostructures: precursor-mediated fabrication and visible-light induced photocatalytic degradation of organic pollutants. Powder technology, 287, 346-354.
 Shifu, C., Sujuan, Z., Wei, L., Wei, Z. (2008). Preparation and activity evaluation of p–n junction photocatalyst NiO/TiO2. Journal of hazardous materials, 155(1-2), 320-326.
 Chen, S., Zhao, W., Liu, W., & Zhang, S. (2008). Preparation, characterization and activity evaluation of p–n junction photocatalyst p-ZnO/n-TiO2. Applied surface science, 255(5), 2478-2484.