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Journal of Materials Science: Materials in Electronics

Influence of chromium incorporation on optoelectronic and magnetic properties of Zn1−xCrxS nanocrystals

  • 06-11-2020
Published in:
Authors
I. K. El Zawawi
Fawzy G. El Desouky
Manal A. Mahdy
Published in
Journal of Materials Science: Materials in Electronics | Issue 24/2020

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Abstract

A series of Zn1−xCrxS powder with (x = 0–0.18) has been obtained by hydrothermal synthesis. Hexagonal phase nanocrystalline structure of powder samples has been emphasized by X-ray diffraction (XRD) showing particle size ranging from ~ 7 to 11 nm. FE-SEM confirms the nanostructure nature of samples. Elemental compositional analysis confirmed the accurate atomic percentage of existing elements using EDX technique. FTIR spectra of Zn1−xCrxS powder samples indicate different bands corresponding to their structure. The fundamental optical bandgap transition observed at 3.36 eV and additional transitions exist for Cr-doped ZnS samples. Photoluminescence (PL) emission spectra of Zn0.82Cr0.18S nanoparticle powder pumped with different excitation wavelengths (200–290 nm) showed different emission peaks, the highest intensity peak at 398 nm is due to fundamental transition of bandgap which agree with the optical results. The sample with x = 0.11 displays the most intense PL signal. Diamagnetic behavior was observed for ZnS compound whereas ferromagnetic behavior was observed for ZnS-doped with Cr.

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previous article Improvement of the efficiency in inverted mixed halide perovskite solar cells by PCDTBT doping
next article Effects of antioxidant on mechanical and electromagnetic properties of carbonyl iron/ethylene propylene diene monomer composites
Title
Influence of chromium incorporation on optoelectronic and magnetic properties of Zn1−xCrxS nanocrystals
Authors
I. K. El Zawawi
Fawzy G. El Desouky
Manal A. Mahdy
Publication date
06-11-2020
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 24/2020
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-020-04769-7
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