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Carrier recombination in sonochemically synthesized ZnO powders

M.I. Zakirov

M.I. Zakirov

Taras Shevchenko Kiev National UniversityKiev, Ukraine
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Zakirov, M.I.
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O.A. Korotchenkov

O.A. Korotchenkov

Taras Shevchenko Kiev National UniversityKiev, Ukraine
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Korotchenkov, O.A.
  
Apr 23, 2017
Carrier recombination in sonochemically synthesized ZnO powders's Cover Image
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Published Online: Apr 23, 2017
Page range: 211 - 216
Received: Mar 22, 2016
Accepted: Dec 18, 2016
DOI: https://doi.org/10.1515/msp-2017-0016
Keywords
© 2017 M.I. Zakirov, O.A. Korotchenkov
This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
PL spectra (points) and decomposed spectral bands (dashed) in sonochemically synthesized SC1, SC2 and SC3 samples. Solid line presents the sum of the two dashed spectral shapes.
PL spectra (points) and decomposed spectral bands (dashed) in sonochemically synthesized SC1, SC2 and SC3 samples. Solid line presents the sum of the two dashed spectral shapes.
FT-IR transmission spectra of sonochemically fabricated ZnO powders dissolved in IPA.
FT-IR transmission spectra of sonochemically fabricated ZnO powders dissolved in IPA.
SPV decays of sonochemically synthesized SC1 (1), SC2 (2) and SC3 (3) samples.
SPV decays of sonochemically synthesized SC1 (1), SC2 (2) and SC3 (3) samples.
Time resolved PL decays of SC1 (circles) and SC3 (triangles) samples.
Time resolved PL decays of SC1 (circles) and SC3 (triangles) samples.

Decomposed band parameters and peak attribution for the PL spectra given in Fig_ 1_

SamplePeak position of the decomposed band [nm]Type of transition responsible for the bandIntensity of the decomposed band normalized to the maximum peak valueLiterature
SC1589Zni → Oi (CB-Oi)0.58[30–33]
693Vo → VB0.53[31, 34]
SC2612CB → Oi (Zni-Oi)0.80[31, 33, 35]
797Zni → Vo (CB → Vo)0.28[30, 34]
SC3566CB → Vo (Zni-Vo)0.52[36–39]
647CB → Oi0.59[10, 31]
Language:
English
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Journal Subjects:
Materials Sciences, Materials Sciences, other, Nanomaterials, Functional and Smart Materials, Materials Characterization and Properties
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