Kinetics of oxygen adsorption on ZnS nanoparticles synthesized by precipitation process

• Autorzy: Ahmadi R. , Sadrnezhad S. K. , Zangeneh R. N. , Oghabian M. A.

Identyfikatory

DOI

10.1515/msp-2016-0037

• Języki publikacji: EN

Abstrakty

EN

ZnS nanoparticles were synthesized through a one-step precipitation process. Effect of time and temperature on the formation reaction was investigated. The synthesized samples were characterized by X-ray diffraction (XRD), ultraviolet (UV) visible absorption and photoluminescence (PL) spectrophotometry. Based on XRD and UV-Vis data, the particles produced at 70 °C had a mean particle size of about 5 nm. Increasing time and temperature of the synthesis reaction resulted in photoluminescence intensification. PL spectroscopy helped understanding the adsorption kinetics of oxygen on ZnS nanoparticles during the precipitation synthesis process. Fabrication of ZnS structures with appropriate oxygen adsorption capacity was suggested as a means of PL emission intensity control.

Słowa kluczowe

EN

ZnS nanoparticles; UV-Vis spectrophotometry; Avrami model

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2016
• Tom: Vol. 34, No. 2
• Strony: 260--265
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Ahmadi R.

• Department of Materials Engineering, Imam Khomeini International University, Qazvin, Iran

autor

Sadrnezhad S. K.

• Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran

autor

Zangeneh R. N.

• School of Chemistry, University College of Science, University of Tehran, Tehran, Iran

autor

Oghabian M. A.

• Research Center for Molecular and Cellular Imaging (RCMCI), Tehran University of Medical Sciences, Tehran, Iran

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.