Kinetics and Mechanism of Enhanced Photocatalytic Activity under Visible Light Using Synthesized PrxCd1-xSe Nanoparticles

Title
Kinetics and Mechanism of Enhanced Photocatalytic Activity under Visible Light Using Synthesized PrxCd1-xSe Nanoparticles
Author(s)
주상우Alireza Khataee[Alireza Khataee]Amirreza Khataee[Amirreza Khataee]Mehrangiz Fathinia[Mehrangiz Fathinia]요네스피로즈살라리
Keywords
MALACHITE GREEN-DYE; CO-DOPED TIO2; OPTICAL CHARACTERIZATION; CDSE NANOPARTICLES; AQUEOUS-SOLUTIONS; SUPPORTED TIO2; RHODAMINE-B; EARTH IONS; AZO-DYE; DEGRADATION
Issue Date
201309
Publisher
AMER CHEMICAL SOC
Citation
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, v.52, no.37, pp.13357 - 13369
Abstract
Praseodymium (Pr)-doped CdSe nanoparticles with different Pr contents were successfully synthesized by an easy hydrothermal method. The prepared samples were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). XRD analysis demonstrated that the particles were excellently crystallized and correspond to cubic CdSe phase. SEM images indicated that the sizes of the particles were in the range of 50-100 nm. Photocatalytic efficiency of pure and Pr-doped CdSe samples was evaluated by monitoring the decolorization of malachite green (MG) in aqueous solution under visible irradiation. Color removal efficiencies of 47.16% for CdSe and 94.32% for Pr0.06Cd0.94Se were achieved at 120 min. It was found that the presence of cl(-), sO(4)(-2), and HCO3- ions obstructed the photocatalytic degradation of MG, but the presence of accelerated it. Also the effect of operational parameters at optimum conditions was modeled regarding the nonlinear regression analysis.
URI
http://hdl.handle.net/YU.REPOSITORY/29025http://dx.doi.org/10.1021/ie402352g
ISSN
0888-5885
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공과대학 > 기계공학부 > Articles
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