Influence of crystalline mediums KCl and KDP on structural and optical properties of embedded CdSe quantum dots

被引：1
|
作者：
Addala, Samiya [1 ,2 ]
Bouhdjer, Lazhar [1 ,2 ]
Omari, Nesrine [1 ]
Halimi, Ouahiba [3 ]
Sebais, Miloud [3 ]
Boudine, Boubaker [3 ]
机构：
[1] Akli Mohaned Oulhadj Univ Bouira, Dept Phys, Bouira 10000, Algeria
[2] Akli Mohaned Oulhadj Univ Bouira, Lab Proc Mat Energy Water & Environm, Bouira 10000, Algeria
[3] Mentouri Univ Constantine, Dept Phys, Lab Crystallog, Constantine 25000, Algeria
来源：
OPTIK | 2021年 / 228卷 / 228期
关键词：
KCl:CdSe; KDP:CdSe; CdSe quantum dots; XRD; UV-Visible;
D O I：
10.1016/j.ijleo.2020.166177
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In order to pass comfortably to the practicalities of nanomaterials it is necessary to use, in general, a support like: films, amorphous hosts or crystalline hosts. So it is important to know the effect of hosts on structural and optical properties of nanomaterials, in this context, this investigation suggests to survey the behavior of CdSe quantum dots (QDs) dispersed in two different crystalline hosts the potassium chlorade KCl and the potassium Di-hydrogen phosphate KH2PO4 (KDP) single crystals, where they are prepared using tow different technics: the Czochralski (Cz) method and the lowering temperature from aqueous solution technic, respectively. The obtained results from X-ray diffraction (XRD) demonstrate that CdSe QDs have different preferred orientations inside these two hosts. This behavior will be discussed in detail. Nevertheless, the UV-vis and Phtoluminiscance (PL) spectroscopy prove that the optical properties of CdSe QDs have great similarity in these two hosts.
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页数：5
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