Nonradiative Energy Transfer from Individual CdSe/ZnS Quantum Dots to Single-Layer and Few-Layer Tin Disulfide

被引：88

作者：

Zang, Huidong ^{[1
]}

Routh, Prahlad K. ^{[1
,2
]}

Huang, Yuan ^{[1
]}

Chen, Jia-Shiang ^{[1
,2
]}

Sutter, Eli ^{[3
]}

Sutter, Peter ^{[4
]}

Cotlet, Mircea ^{[1
,2
]}

机构：

[1] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA

[2] SUNY Stony Brook, Dept Mat Sci, Stony Brook, NY 11794 USA

[3] Univ Nebraska, Dept Mech & Mat Engn, Lincoln, NE 68588 USA

[4] Univ Nebraska, Dept Elect & Comp Engn, Lincoln, NE 68588 USA

来源：

ACS NANO | 2016年 / 10卷 / 04期

关键词：

layered metal dichalcogenides; quantum dots; hybrid nanomaterial; energy transfer; single nanocrystal spectroscopy; FLUORESCENCE INTERMITTENCY; PHOTOLUMINESCENCE; BLINKING; CORE; PERFORMANCE;

D O I：

10.1021/acsnano.6b01538

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The combination of zero-dimensional (0D) colloidal CdSe/ZnS quantum dots with tin disulfide (SnS2), a two-dimensional (2D)-layered metal dichalcogenide, results in 0D-2D hybrids with enhanced light absorption properties. These 0D-2D hybrids, when exposed to light, exhibit intrahybrid nonradiative energy transfer from photoexcited CdSe/ZnS quantum dots to SnS2. Using single nanocrystal spectroscopy, we find that the rate for energy transfer in 0D-2D hybrids increases with added number of SnS2 layers, a positive manifestation toward the potential functionality of such 2D-based hybrids in applications such as photovoltaics and photon sensing.

引用

页码：4790 / 4796

页数：7

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