DECREASING OF THE ACTIVATION ENERGY OF TIO2 NANOPARTICLES BY APPLYING ULTRASOUND WAVES USING THE SOL-GEL METHOD

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MILANI MOGHADDAM H.; NASIRIAN S.H.

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

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Journal: Iranian Journal of Physics Research Year:2012 | Volume:11 | Issue:4 Page(s): 411-416

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Information Journal Paper

Title

DECREASING OF THE ACTIVATION ENERGY OF TIO2 NANOPARTICLES BY APPLYING ULTRASOUND WAVES USING THE SOL-GEL METHOD

Author(s)

MILANI MOGHADDAM H. | NASIRIAN S.H. | Issue Writer Certificate

Keywords

TITANIUM DIOXIDE NANOPARTICLESQ2

SOL-GEL METHODQ2

ULTRASONIC WAVESQ2

ACTIVATION ENERGYQ3

Abstract

In this letter, TITANIUM DIOXIDE NANOPARTICLES (TiO2) were synthesized via a SOL-GEL METHOD and combining titanium tetrachloride (TiCl4) and ethanol. The ACTIVATION ENERGY was investigated on the phase transformation from anatase to rutile in the presence and absence of ultrasound waves. The anatase nanocrystallites were only crystallized up to the calcination of 500 oC. By increasing the calcination in the region after 500 oC, rutile nanocrystallites grew in samples, and mixed-phase TiO2 nanoparticles were obtained. Our results show that applying ultrasound waves decreases both onset transition temperature and the ACTIVATION ENERGY of the phase transformation from anatase to rutile. The ACTIVATION ENERGY showed a considerable reduction at about 18.5 KJ/mol by applying the ultrasound waves.

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APA: Copy

MILANI MOGHADDAM, H., & NASIRIAN, S.H.. (2012). DECREASING OF THE ACTIVATION ENERGY OF TIO2 NANOPARTICLES BY APPLYING ULTRASOUND WAVES USING THE SOL-GEL METHOD. IRANIAN JOURNAL OF PHYSICS RESEARCH, 11(4), 411-416. SID. https://sid.ir/paper/1959/en

Vancouver: Copy

MILANI MOGHADDAM H., NASIRIAN S.H.. DECREASING OF THE ACTIVATION ENERGY OF TIO2 NANOPARTICLES BY APPLYING ULTRASOUND WAVES USING THE SOL-GEL METHOD. IRANIAN JOURNAL OF PHYSICS RESEARCH[Internet]. 2012;11(4):411-416. Available from: https://sid.ir/paper/1959/en

IEEE: Copy

H. MILANI MOGHADDAM, and S.H. NASIRIAN, “DECREASING OF THE ACTIVATION ENERGY OF TIO2 NANOPARTICLES BY APPLYING ULTRASOUND WAVES USING THE SOL-GEL METHOD,” IRANIAN JOURNAL OF PHYSICS RESEARCH, vol. 11, no. 4, pp. 411–416, 2012, [Online]. Available: https://sid.ir/paper/1959/en

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