期刊
ADVANCED MATERIALS
卷 25, 期 40, 页码 5714-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201302616
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- Engineering and Physical Sciences Research Council (EPSRC)
- University of Nottingham
- Ukrainian Academy of Sciences
- Engineering and Physical Sciences Research Council [1230142] Funding Source: researchfish
Strong quantization effects and tuneable near-infrared photoluminescence emission are reported in mechanically exfoliated crystals of gamma-rhombohedral semiconducting InSe. The optical properties of InSe nanosheets differ qualitatively from those reported recently for exfoliated transition metal dichalcogenides and indicate a crossover from a direct to an indirect band gap semiconductor when the InSe flake thickness is reduced to a few nanometers.
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