Study of the Effects of SbCl₃ Concentration on Structure, Properties of Mixed Oxide Thin Film Sb₂O₃-SnO₂/HKC and Its Application for the Treatment of Rhodamine B
Main Article Content
Abstract
This paper deals with the effects of SbCl₃ concentration on the structure and properties of mixed metal oxide thin film on high alloy steel Cr18Ni12Ti and application for the treatment of Rhodamine B by advanced electrochemical oxidation method. The obtained results of surface morphology (SEM), crystal structure (XRD), cyclic voltammetry (CV), conductivity (four point probers), and absorption spectroscopy (UV-Vis) show that the mixed oxide thin film SnO₂-Sb₂O₃/HKC formed by dipped in a solution containing 10 g/L of SbCl₃, calcined at 450 °C for 5 hours provides the film with the best properties. The formed film has no crack-mud phenomenon, the smallest resistivity and the largest SnO₂ crystal size. The color removal efficiency of Rhodamine B on SnO₂-Sb₂O₃/HKC anode reaches about 95% for 20 minutes of electrolysis time at the current density 12 mA/cm².
Keywords
SnO₂-Sb₂O₃, high alloy steel, thin film, antimony-doped tin
Article Details
References
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[5] Keun-Soo Kim, Seog-Young Yoon, Won-Jae Lee, Kwang Ho Kim (2001). Surface morphologies and electrical properties of antimony-doped tin oxide films deposited by plasma-enhanced chemical vapor deposition. Surface and Coatings Technology 138, 229-236.
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[12] Huynh Thu Suong, Dang Trung Dung, Bui Thi Thanh Huyen, La The Vinh (2017). Study on highly alloyed steel anode coated by mixed metal oxides SnO2-Sb2O3 thin film and application in wastewater treatment. Vietnam Journal of Science and Technology, Vol. 55, No. 5B, pp 132-139.