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Open AccessArticle

Lattice Strain Analysis of a Mn-Doped CdSe QD System Using Crystallography Techniques

1
Nanotechnology & Catalysis Research Centre, Deputy Vice Chancellor (Research & Innovation) Office, University of Malaya, 50603 Kuala Lumpur, Malaysia
2
Department of Mechanical Engineering, College of Engineering, King Khalid University, PO Box 394, Abha 61421, Saudi Arabia
*
Author to whom correspondence should be addressed.
Processes 2019, 7(10), 639; https://doi.org/10.3390/pr7100639
Received: 22 August 2019 / Revised: 6 September 2019 / Accepted: 10 September 2019 / Published: 20 September 2019
(This article belongs to the Section Materials Processes)
In this work, we report on the different sizes of manganese-doped cadmium selenide quantum dots (Mn-doped CdSe QDs) synthesized for 0 to 90 min using a reverse micelle organic solvent method and surfactant having a zinc blende structure, with physical size varying from 3 to 14 nm and crystallite size from 2.46 to 5.46 nm and with a narrow size distribution. At similar reaction times, Mn-doped CdSe QDs displayed the growth of larger QDs compared with the pure CdSe QDs. Due to the implementation of lattice strain owing to the inclusion of Mn atoms in the CdSe QD lattice, the lattice parameter was compressed as the QD size increased. Strain was induced by the particle size reduction, as observed from X-ray diffractometer (XRD) analysis. The analyses of the strain effect on the QD reduction are discussed relative to each of the XRD characteristics. View Full-Text
Keywords: cadmium selenide; quantum dots; chemical synthesis; lattice strain cadmium selenide; quantum dots; chemical synthesis; lattice strain
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Hamizi, N.A.; Johan, M.R.; Ghazali, N.; Abdul Wahab, Y.; Chowdhury, Z.Z.; Akbarzadeh, O.; Sagadevan, S.; Badruddin, I.A.; Yunus Khan, T.M.; Kamangar, S. Lattice Strain Analysis of a Mn-Doped CdSe QD System Using Crystallography Techniques. Processes 2019, 7, 639.

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