期刊
ACS NANO
卷 10, 期 4, 页码 4790-4796出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.6b01538
关键词
layered metal dichalcogenides; quantum dots; hybrid nanomaterial; energy transfer; single nanocrystal spectroscopy
类别
资金
- U.S. Department of Energy, Office of Basic Energy Sciences [DE-SC0012704]
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.
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