Synthesis and characterization of II-VI (CdSe) quantum dot encapsulated liposomes

被引：8

作者：

Douda, J. ^{[1
,5
]}

Miranda Calderon, L. G. ^{[1
]}

Kryshtab, T. ^{[2
]}

Arias Ceron, J. S. ^{[3
]}

Kryvko, A. ^{[4
]}

机构：

[1] Inst Politecn Nacl, UPIITA, Othon de Mendizabal S-N, Mexico City 07320, DF, Mexico

[2] Inst Politecn Nacl, ESFM, Dept Fis, UPALM, Ave IPN S-N,Edif 9, Mexico City 07738, DF, Mexico

[3] IPN, CINVESTAV, Solid State Elect Sect, Dept Elect Engn, Ave Inst Politecn Nacl 2508, Mexico City 07360, DF, Mexico

[4] Inst Politecn Nacl, ESIME Zacatenco, Dept Sistemas, UPALM, Ave IPN S-N,Edif Z-4, Mexico City 07738, DF, Mexico

[5] Inst Politecn Nacl, UPIITA, Mexico City 07340, DF, Mexico

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2018年 / 29卷 / 18期

关键词：

NANOCRYSTALS; CDTE;

D O I：

10.1007/s10854-018-9133-x

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The semiconductor CdSe quantum dots (QDs) with emission spectra of different wavelengths were synthetized by using a modified method of simultaneous injection at heating. The obtained QDs were encapsulated into liposomes prepared by a method of lipid film hydration and sonication from various phospholipid compositions and polyethylene glycol (PEG) addition. The synthesized and encapsulated in the liposomes QDs were characterized by photoluminescence (PL), X-Ray diffraction (XRD), Transmission electron microscopy, and Dynamic light scattering. The evaluation of PL spectra of the obtained QDs showed that they had sizes in the range of 2.3-4.5 nm. XRD patterns revealed only one peak for CdSe cubic crystal structure and the estimated crystal sizes were about the same values that the obtained from PL results. After the encapsulation a blue shift of PL peak position was observed. The mechanism of the effect is discussed.

引用

页码：15570 / 15578

页数：9

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