INFLUENCE OF ACTIVE PHASE COMPOSITION ON PHYSICOCHEMICAL PROPERTIES AND PERFORMANCE OF VISIBLE-LIGHT-SENSITIZED CUS-CDS/TIO2 NANOPHOTOCATALYST USED IN REMOVAL OF ACID ORANGE 7

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MALEKI MAHIN; HAGHIGHI MOHAMMAD

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Applied Research in Chemistry Year:2017 | Volume:11 | Issue:2 Page(s): 5-14

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Title

INFLUENCE OF ACTIVE PHASE COMPOSITION ON PHYSICOCHEMICAL PROPERTIES AND PERFORMANCE OF VISIBLE-LIGHT-SENSITIZED CUS-CDS/TIO2 NANOPHOTOCATALYST USED IN REMOVAL OF ACID ORANGE 7

Author(s)

MALEKI MAHIN | HAGHIGHI MOHAMMAD | Issue Writer Certificate

Keywords

CUS-CDS/TIO2 NANOPHOTOCATALYSTQ1

VISIBLE-LIGHTQ1

ACID ORANGE 7Q1

WATER TREATMENTQ1

Abstract

During recent years, the semiconductor photocatalytic process to remove persistent organic compounds in water attracts much attention because of its potential as a low-cost and environmental friendly treatment technology. In this research with the aim of obtaining optimum value of CuS and CdS content in CuS-CdS/TiO2 nanophotocatlysts, four samples varying in CuS and CdS contents were synthesized by hydrothermal method. The as-synthesized samples were characterized by XRD, FESEM, EDX, BET, and FTIR analysis. XRD results confirmed formation of CuS and CdS phases on TiO2 surface. According to the other characterization results the sample with 5:5:90 weight ratio of CuS:CdS:TiO2 owing to its high surface area, high relative crystallinity, and more uniform morphology can be optimum ratio to active phase loading in this photocatalyst. The photocatalytic activities of as-prepared samples were investigated based on the decolorization of ACID ORANGE 7 as model compound in an aqueous medium under visible light irradiation. The degradation efficiency was found to be 85.2, 100, 100 and 97.5% for TiO2, CuS(3)CdS(7)/TiO2, CuS(5)CdS(5)/TiO2 and CuS(7)CdS(3)/TiO2 nanophotocatlysts, respectively at reaction time of 100 min. According to the efficiency test results the sample with 5:5:90 weight ratio of CuS:CdS:TiO2 in shorter times (40 min) in comparison to other samples reaches to complete decolorization which was expected from characterization results too. The effect of initial dye concentration and photocatalyst dosage on degradation efficiency of optimum sample was evaluated.

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APA: Copy

MALEKI, MAHIN, & HAGHIGHI, MOHAMMAD. (2017). INFLUENCE OF ACTIVE PHASE COMPOSITION ON PHYSICOCHEMICAL PROPERTIES AND PERFORMANCE OF VISIBLE-LIGHT-SENSITIZED CUS-CDS/TIO₂ NANOPHOTOCATALYST USED IN REMOVAL OF ACID ORANGE 7. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 11(2 ), 5-14. SID. https://sid.ir/paper/180088/en

Vancouver: Copy

MALEKI MAHIN, HAGHIGHI MOHAMMAD. INFLUENCE OF ACTIVE PHASE COMPOSITION ON PHYSICOCHEMICAL PROPERTIES AND PERFORMANCE OF VISIBLE-LIGHT-SENSITIZED CUS-CDS/TIO₂ NANOPHOTOCATALYST USED IN REMOVAL OF ACID ORANGE 7. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2017;11(2 ):5-14. Available from: https://sid.ir/paper/180088/en

IEEE: Copy

MAHIN MALEKI, and MOHAMMAD HAGHIGHI, “INFLUENCE OF ACTIVE PHASE COMPOSITION ON PHYSICOCHEMICAL PROPERTIES AND PERFORMANCE OF VISIBLE-LIGHT-SENSITIZED CUS-CDS/TIO₂ NANOPHOTOCATALYST USED IN REMOVAL OF ACID ORANGE 7,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 11, no. 2 , pp. 5–14, 2017, [Online]. Available: https://sid.ir/paper/180088/en

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