Extraordinarily Strong Interlayer Interaction in 2D Layered PtS2.
basic_science · Level V
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- Record sourced from PubMed, PMID 26833689.
- Also identified by DOI 10.1002/adma.201504572.
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Abstract
Platinum disulfide (PtS2 ), a new member of the group-10 transition-metal dichalcogenides, is studied experimentally and theoretically. The indirect bandgap of PtS2 can be drastically tuned from 1.6 eV (monolayer) to 0.25 eV (bulk counterpart), and the interlayer mechanical coupling is almost isotropic. It can be explained by strongly interlayer interaction from the pz orbital hybridization of S atoms.