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Paper Information

Journal:   JOURNAL OF COLOR SCIENCE AND TECHNOLOGY   2017 , Volume 11 , Number 3 ; Page(s) 163 To 172.
 
Paper: 

PHOTOCATALYTIC DEGRADATION OF ARSENAZO (III) DYE UNDER VISIBLE LIGHT BY GRAPHENE QUANTUM DOTS

 
 
Author(s):  ROUSHANI M.*, SADEGHI M.
 
* DEPARTMENT OF CHEMISTRY, FACULTY OF SCIENCE, ILAM UNIVERSITY, ILAM, IRAN
 
Abstract: 

The first report of Graphene Quantum Dots (GQDs) as novel and highly efficient nano materials for degradation of Arsenazo (III) dye under visible light, is presented here. Preparation of GQDs was carried out by pyrolyzing method. The transition electron microscopy (TEM) and UV–Vis spectroscopy were used for characterizing the GQDs. Effect of the experimental parameters such as pH of dye solution, contact time, concentration of Arsenazo (III) dye and amount of GQDs on the degradation efficiency of dye were studied. The removal efficiency in optimum conditions including pH=4 contact time=120 minutes, the concentration of dye= 45 mg.L-1 and in presence 600 mL GQDs, was observed More than 90%. In general, GQDs had a good performance in dye removal. Finally, the kinetic model for degradation of Arsenazo (III) in the presence of GQDs was discussed. The possible mechanism of visible light photocatalytic degradation is also proposed.

 
Keyword(s): ARSENAZO (III) DYE, GRAPHENE QUANTUM DOTS, KINETIC MODEL, PHOTOCATALYTIC DEGRADATION
 
 
References: 
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Citations: 
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APA: Copy

ROUSHANI, M., & SADEGHI, M. (2017). PHOTOCATALYTIC DEGRADATION OF ARSENAZO (III) DYE UNDER VISIBLE LIGHT BY GRAPHENE QUANTUM DOTS. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, 11(3 ), 163-172. https://www.sid.ir/en/journal/ViewPaper.aspx?id=573123



Vancouver: Copy

ROUSHANI M., SADEGHI M.. PHOTOCATALYTIC DEGRADATION OF ARSENAZO (III) DYE UNDER VISIBLE LIGHT BY GRAPHENE QUANTUM DOTS. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY. 2017 [cited 2021August02];11(3 ):163-172. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=573123



IEEE: Copy

ROUSHANI, M., SADEGHI, M., 2017. PHOTOCATALYTIC DEGRADATION OF ARSENAZO (III) DYE UNDER VISIBLE LIGHT BY GRAPHENE QUANTUM DOTS. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, [online] 11(3 ), pp.163-172. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=573123.



 
 
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