2-dimensional transition metal dichalcogenides with tunable direct band gaps: MoS₂(₁-x) Se₂x monolayers.
basic_science · Level V
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- Record sourced from PubMed, PMID 24339159.
- Also identified by DOI 10.1002/adma.201304389.
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Abstract
MoS2(1-x) Se2x single-layer films are prepared using a mixture of organic selenium and sulfur precursors as well as a solid molybdenum source. The direct bandgaps are found to scale nearly linearly with composition in the range of 1.87 eV (pure single-layer MoS2 ) to 1.55 eV (pure single-layer MoSe2 ) permitting straightforward bandgap engineering.