Optical and structural properties of ZnSe quantum dot with europium

被引：20

作者：

Park, Ji Young ^{[1
]}

Jeon, Eun Ju ^{[1
,2
]}

Choa, Yong-Ho ^{[1
]}

Kim, Bum Sung ^{[2
]}

机构：

[1] Han Yang Univ, Mat Sci & Chem Engn, Ansan, South Korea

[2] Korea Inst Ind Technol, Korea Inst Rare Met, Incheon, South Korea

来源：

JOURNAL OF LUMINESCENCE | 2019年 / 208卷

关键词：

Quantum dot; ZnSe; Rare earth metal; Eu; Concentration quenching; ENERGY-TRANSFER; RED PHOSPHORS; PHOTOLUMINESCENCE; LUMINESCENCE; ZNO; NANOPARTICLES; EFFICIENT; GROWTH; EU3+;

D O I：

10.1016/j.jlumin.2018.12.018

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Rare earth elements possessing unique 4f electrons have been investigated as excellent candidates for luminescent centers in doped II-VI nanocrystals, because of their abundant emission colors based on the 4-4f or 5d-4f transitions. In particular, ZnSe quantum dot (QDs) fabricated with the lanthanide Europium (Eu) can emit in both the visible and near-infrared region. In our work, the structural, morphological and optical properties were investigated the color-tunable ZnSe:Eu QDs. We focused on the ZnSe:Eu QDs synthesized by controlling Eu amount. According to the results, the optical property of ZnSe: Eu QDs showed that emission in the bluish to yellow-ocher range, and concentration quenching occurred upon increasing the Eu amount. The expected structure of the ZnSe:Eu QDs with Eu (Eu/Zn = 0.5, 1 and 1.5) was verified by XRD, TEM, XPS and gibbs free energy value using a HSC chemistry software.

引用

页码：145 / 149

页数：5

共 42 条

[1] Luminescence behavior of Eu3+ activated ZnO/SnO2 nanocomposite phosphor [J].

Baitha, Pankaj Kr ;

Manam, J. .

OPTIK, 2015, 126 (24) :4916-4923

[2] Structural and spectroscopic diagnosis of ZnO/SnO2 nanocomposite influenced by Eu3+ [J].

Baitha, Pankaj Kr. ;

Manam, J. .

JOURNAL OF RARE EARTHS, 2015, 33 (08) :805-813

[3] ELECTRON ELECTRON AND ELECTRON-HOLE INTERACTIONS IN SMALL SEMICONDUCTOR CRYSTALLITES - THE SIZE DEPENDENCE OF THE LOWEST EXCITED ELECTRONIC STATE [J].

BRUS, LE .

JOURNAL OF CHEMICAL PHYSICS, 1984, 80 (09) :4403-4409

[4] Doped Semiconductor Nanocrystals: Synthesis, Characterization, Physical Properties, and Applications [J].

Bryan, J. Daniel ;

Gamelin, Daniel R. .

PROGRESS IN INORGANIC CHEMISTRY, VOL 54, 2005, 54 :47-126

[5] Rapid synthesis of pure and narrowly distributed Eu doped ZnO nanoparticles by solution combustion method [J].

Devi, S. K. Lathika ;

Kumar, K. Sudarsana ;

Balakrishnan, A. .

MATERIALS LETTERS, 2011, 65 (01) :35-37

[6] Tunable surface plasmon resonance and enhanced electrical conductivity of In doped ZnO colloidal nanocrystals [J].

Ghosh, Sirshendu ;

Saha, Manas ;

De, S. K. .

NANOSCALE, 2014, 6 (12) :7039-7051

[7] Synthesis and photoluminescence properties of novel highly thermal-stable red-emitting Na3Sc2(PO4)3:Eu3+ phosphors for UV-excited white-light-emitting diodes [J].

Guo, Heng ;

Huang, Xiaoyong ;

Zeng, Yujia .

JOURNAL OF ALLOYS AND COMPOUNDS, 2018, 741 :300-306

[8] Pechini sol-gel synthesis of La2CaB8O16:Eu3+ red phosphor and its photoluminescence spectral properties [J].

Guo, Rui ;

Huang, Jinhua ;

Chen, Xin ;

Luo, Qi ;

Luo, Lan ;

Xiong, Yuhua ;

Zhang, Shaohua .

JOURNAL OF LUMINESCENCE, 2019, 206 :15-20

[9] Synthesis and characterization of strongly luminescing ZnS-Capped CdSe nanocrystals [J].

Hines, MA ;

Guyot-Sionnest, P .

JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (02) :468-471

[10] New Yellow-Emitting Whitlockite-type Structure Sr1.75Ca1.25(PO4)2:Eu2+ Phosphor for Near-UV Pumped White Light-Emitting Devices [J].

Ji, Haipeng ;

Huang, Zhaohui ;

Xia, Zhiguo ;

Molokeev, Maxim S. ;

Atuchin, Victor V. ;

Fang, Minghao ;

Huang, Saifang .

INORGANIC CHEMISTRY, 2014, 53 (10) :5129-5135

← 1 2 3 4 5 →