STRUCTURAL AND OPTICAL PROPERTIES OF MAGHEMITE γ-FE2O3 NANOPARTICLES THIN FILMS SYNTHESIZED BY CHEMICAL CO-PRECIPITATION

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PARSIANPOUR EHSAN; GHOLAMI MOHAMMAD; SAMAVAT FEREYDOUN; AMINI JILA; Shahbazi Nima

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Journal: IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING Year:2017 | Volume:12 | Issue:31 Page(s): 1-11

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Title

STRUCTURAL AND OPTICAL PROPERTIES OF MAGHEMITE γ-FE2O3 NANOPARTICLES THIN FILMS SYNTHESIZED BY CHEMICAL CO-PRECIPITATION

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Keywords

MAGHEMITE NANOPARTICLESQ2

CHEMICAL CO-PRECIPITATIONQ2

THIN FILMSQ3

SPRAY PYROLYSISQ2

Abstract

In this study, initially maghemite (g- Fe2O3) nanoparticles were synthesized by using of the chemical co- precipitation technique and then the deposited samples were annealed on white glass at the temperatures of 400, 450, 500, 550 and 600°C by SPRAY PYROLYSIS technique. Their optical properties were investigated by Ultraviolet-visible (UV-vis) spectrometer and structural properties of samples were characterized by infrared (IR) spectrum and X-ray diffraction (XRD). Surfaces morphology of samples was investigated by scanning electron microscopy (SEM) technique. The results obtained from this study show that by increasing the annealing temperature of the nanoparticles, the particle sizes have grown. This is due to decreases in optical band gap in annealed samples of MAGHEMITE NANOPARTICLES. Percent of wavelengths absorbance in the ultraviolet region has been decreased and has been shifted toward visible. Moreover, crystalline structures of materials have been more regulated and deformed from hunk shape to spherical shape.

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APA: Copy

PARSIANPOUR, EHSAN, GHOLAMI, MOHAMMAD, SAMAVAT, FEREYDOUN, AMINI, JILA, & Shahbazi, Nima. (2017). STRUCTURAL AND OPTICAL PROPERTIES OF MAGHEMITE γ-FE₂O₃ NANOPARTICLES THIN FILMS SYNTHESIZED BY CHEMICAL CO-PRECIPITATION. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, 12(31 ), 1-11. SID. https://sid.ir/paper/120955/en

Vancouver: Copy

PARSIANPOUR EHSAN, GHOLAMI MOHAMMAD, SAMAVAT FEREYDOUN, AMINI JILA, Shahbazi Nima. STRUCTURAL AND OPTICAL PROPERTIES OF MAGHEMITE γ-FE₂O₃ NANOPARTICLES THIN FILMS SYNTHESIZED BY CHEMICAL CO-PRECIPITATION. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING[Internet]. 2017;12(31 ):1-11. Available from: https://sid.ir/paper/120955/en

IEEE: Copy

EHSAN PARSIANPOUR, MOHAMMAD GHOLAMI, FEREYDOUN SAMAVAT, JILA AMINI, and Nima Shahbazi, “STRUCTURAL AND OPTICAL PROPERTIES OF MAGHEMITE γ-FE₂O₃ NANOPARTICLES THIN FILMS SYNTHESIZED BY CHEMICAL CO-PRECIPITATION,” IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, vol. 12, no. 31 , pp. 1–11, 2017, [Online]. Available: https://sid.ir/paper/120955/en

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