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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 21 - 27 (7page)
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The present work demonstrates an efficient and cost effective methodology for the synthesis of iron oxide nanoparticles without the assistance of any capping agent. Two different forms of iron oxide nanoparticles, namely, goethite (α-FeOOH) and magnetite (Fe3O4) were synthesized and characterized through X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM). The XRD spectra were found concordant with JCPDS-ICDD data. The crystallite sizes for goethite and magnetite were found to be 9.85 and 14.13 nm, respectively. The mean particle sizes estimated via SEM analysis were 32.23 and 63.27 nm, respectively. Energy-dispersive X-ray (EDX) spectroscopy was used to estimate the elemental composition of the synthesized nanoparticles (NPs). The NPs were further used for the degradation of anthracene in the presence of UV light. The decay profiles of anthracene,a polycyclic aromatic hydrocarbon listed as a priority pollutant by United States Environmental Protection Agency (USEPA), were investigated with different forms of iron oxides NPs under UV irradiation at ambient temperature. Both forms of iron oxides were efficient for the photodegradation of anthracene. The decay profiles in both the cases followed the first-order kinetics. The half-lives for anthracene degradation were 3.21 and 4.39 h with α-FeOOH and Fe3O4, respectively. The results reveal that the photocatalytic activity of magnetite is low as compared to goethite.
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참고문헌 (50)
참고문헌 신청
Abdel-Shafy, H. I. / 2016 / A review on polycyclic aromatic hydrocarbons : Source, environmental impact, effect on human health and remediation / Egyptian Journal of Petroleum 25:107~123
Amstaetter, K. / 2012 / Sorption of PAHs and PCBs to activated carbon : Coal versus biomassbased quality / Chemosphere 87:573~578
Andrade, A. L. / 2010 / pH effect on the synthesis of magnetite nanoparticles by the chemical reductionprecipitation method / Química Nova 33:524~527
Beydoun, D. / 2002 / Occurrence and prevention of photodissolution at the phase junction of magnetite and titanium dioxide / Journal of Molecular Catalysis A : Chemical 180:193~200
Beydoun, D. / 2000 / Novel photocatalyst : Titania-coated magnetite. activity and photodissolution / The Journal of Physical Chemistry B 104:4387~4396
Amstaetter, K. / 2012 / Sorption of PAHs and PCBs to activated carbon : Coal versus biomassbased quality / Chemosphere 87:573~578
Andrade, A. L. / 2010 / pH effect on the synthesis of magnetite nanoparticles by the chemical reductionprecipitation method / Química Nova 33:524~527
Beydoun, D. / 2002 / Occurrence and prevention of photodissolution at the phase junction of magnetite and titanium dioxide / Journal of Molecular Catalysis A : Chemical 180:193~200
Beydoun, D. / 2000 / Novel photocatalyst : Titania-coated magnetite. activity and photodissolution / The Journal of Physical Chemistry B 104:4387~4396
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