The Effect of Synthesis Pressure on Properties of Eu-Doped ZnO Nanopowders Prepared by Microwave Hydrothermal Method

• Authors: J. Rosowska , J. Kaszewski , B. Witkowski , Ł. Wachnicki , M. Godlewski
• Languages of publication: EN

Abstracts

EN

In the current research, europium doped ZnO nanopowders prepared by a microwave hydrothermal method are investigated. The effects of synthesis pressure on the morphologies, crystal structures, and optical properties of Eu-doped ZnO were analyzed by scanning electron microscopy, X-ray diffraction, cathodo- and photoluminescence. From our investigations it can be concluded that the synthesis pressure strongly influences the surface morphology. With the increase of the synthesis pressure from 2 MPa to 10 MPa significant changes can be observed. An increase of the mean crystallites sizes and change of the intensity ratio between the near band edge and defect related deep level emission band of ZnO were observed.

Keywords

EN

78.55.Hx; 81.07.Wx; 81.20.Ka; 78.60.Hk

Discipline

• 81.07.Wx: Nanopowders
• 81.20.Ka: Chemical synthesis; combustion synthesis(for electrochemical synthesis, see 82.45.Aa)
• 78.60.Hk: Cathodoluminescence, ionoluminescence
• 78.55.Hx: Other solid inorganic materials

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 130
• Issue: 5
• Pages: 1205-1208

Dates

published

2016-11

Contributors

author

J. Rosowska

• Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

J. Kaszewski

• Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

B. Witkowski

• Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

Ł. Wachnicki

• Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

M. Godlewski

• Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland
• Dept. of Mathematics and Natural Sciences College of Science, Cardinal S. Wyszyński University, Dewajtis 5, 01-815 Warsaw, Poland

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Identifiers

DOI

10.12693/APhysPolA.130.1205