Microwave synthesis of Zn:Mn:PbI₂ micro-size nanosheets and their characterizations

• Autorzy: Shkir Mohd. , Al-Kotb M. S. , Yahia I. S. , Alshahrani T. , AlFaify S. , Abutalib M. M.

Identyfikatory

DOI

10.2478/msp-2020-0034

• Języki publikacji: EN

Abstrakty

EN

Herein, we are reporting, for the first time, a microwave-assisted synthesis of lead iodide (PbI₂) nanosheets (NSs) with codoping of Zn and Mn, confirmed by SEM/EDX. In the co-doping Mn concentration was kept at a constant level (i.e. 15 %) while Zn concentration was varied from 1 wt.% to 10 wt.%. The morphological analysis confirming presence of the dopant was done through SEM/EDX. The single phase and polytypic nature of NSs were established by XRD and FT-Raman examinations. Homogeneous doping of Mn and Zn in prepared PbI₂ NSs was confirmed by SEM mapping analysis. The dielectric and electrical properties were measured by preparing a compact pellet of NSs at 49820 Pa pressure. The dielectric constant and electrical conductivity were enhanced by Zn:Mn co-doping in PbI₂. The radiation activity was tested by cesium-137 (¹³⁷Cs) radioactive source and its increase resulting from the doping was observed. The enhanced properties suggest that the prepared NSs may be useful in electro-optic and radiation detection device applications.

Słowa kluczowe

EN

nanostructured PbI2 semiconductor; FT-Raman spectroscopy; SEM/EDX; dielectric properties; radiation properties

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2020
• Tom: Vol. 38, No. 2
• Strony: 367--373
• Opis fizyczny: Bibliogr. 39 poz., tab., rys.

Twórcy

autor

Shkir Mohd.

• Advanced Functional Materials and Optoelectronics Laboratory (AFMOL), Department of Physics, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, Saudi Arabia

autor

Al-Kotb M. S.

• Physics Department, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt

autor

Yahia I. S.

• Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
• Advanced Functional Materials and Optoelectronics Laboratory (AFMOL), Department of Physics, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, Saudi Arabia
• Nanoscience Laboratory for Environmental and Bio-medical Applications (NLEBA), Semiconductor Laboratory, Department of Physics, Faculty of Education, Ain Shams University, Roxy, 11757 Cairo, Egypt

autor

Alshahrani T.

• Department of Physics, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, 11671 Saudi Arabia

autor

AlFaify S.

• Advanced Functional Materials and Optoelectronics Laboratory (AFMOL), Department of Physics, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, Saudi Arabia

autor

Abutalib M. M.

• Department of Physics, Faculty of Science, Al Faisaliah Campus, King Abdulaziz University, Jeddah, Saudi Arabia
• Department of Physics, Faculty of Science, University of Jeddah, Jeddah, Saudi Arabia

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