Bicolor Mn-doped CuInS2/ZnS core/shell nanocrystals for white light-emitting diode with high color rendering index

被引：44

作者：

Huang, Bo ^{[1
]}

Dai, Qian ^{[1
]}

Zhuo, Ningze ^{[2
]}

Jiang, Qingsong ^{[2
]}

Shi, Fenghua ^{[2
]}

Wang, Haibo ^{[2
]}

Zhang, Huichao ^{[1
]}

Liao, Chen ^{[1
]}

Cui, Yiping ^{[1
]}

Zhang, Jiayu ^{[1
]}

机构：

[1] Southeast Univ, Adv Photon Ctr, Nanjing 210096, Jiangsu, Peoples R China

[2] Nanjing Univ Technol, Res Inst Elect Light Source Mat, Nanjing 210015, Jiangsu, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2014年 / 116卷 / 09期

关键词：

CUINS2-BASED NANOCRYSTALS; QUANTUM DOTS; ZNS;

D O I：

10.1063/1.4894246

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We synthesized bicolor Mn-doped CuInS2 (CIS)/ZnS core/shell nanocrystals (NCs), in which Mn2+ ions and the CIS core were separated with a ZnS layer, and both Mn2+ ions and CIS cores could emit simultaneously. Transmission electron microscopy and powder X-ray diffraction measurements indicated the epitaxial growth of ZnS shell on the CuInS2 core, and electron paramagnetic resonance spectrum indicated that Mn2+ ions were on the lattice points of ZnS shell. By integrating these bicolor NCs with commercial InGaN-based blue-emitting diodes, tricolor white light-emitting diodes with color rendering index of 83 were obtained. (C) 2014 AIP Publishing LLC.

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