Synthesis and characterization of AgInS2-ZnS heterodimers with tunable photoluminescence

被引：101

作者：

Tang, Xiaosheng ^{[1
]}

Yu, Kuai ^{[2
]}

Xu, Qinghua ^{[3
]}

Choo, Eugene Shi Guan ^{[1
]}

Goh, Gregory K. L. ^{[4
]}

Xue, Junmin ^{[1
]}

机构：

[1] Natl Univ Singapore, Fac Engn, Dept Mat Sci & Engn, Singapore 117574, Singapore

[2] Natl Univ Singapore, NUS Grad Sch Integrat Sci & Engn, Singapore 117574, Singapore

[3] Natl Univ Singapore, Dept Chem, Singapore 117574, Singapore

[4] ASTAR, Inst Mat Res & Engn, Singapore, Singapore

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2011年 / 21卷 / 30期

关键词：

2-PHOTON FLUORESCENCE; QUANTUM DOTS; PHASE-TRANSFER; NANOCRYSTALS; NANOPARTICLES; LUMINESCENT; CUINSE2; CELLS;

D O I：

10.1039/c1jm11346a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

AgInS2-ZnS nanoparticles with well-defined heterodimer structures were synthesized using a hot injection method. The emission spectra of the obtained heterodimers under UV excitation could be tuned by controlling the diffusion of Zn in AgInS2. The ZnS component in the heterodimers played an important role in improving quantum yield. The obtained heterodimers demonstrated two photon fluorescence properties. The cell imaging applications of the obtained heterodimers excited by either UV or infrared were demonstrated.

引用

页码：11239 / 11243

页数：5

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