Gold nanoparticle assisted synthesis of MoS₂ monolayers by chemical vapor deposition.

ABSTRACT: The use of metal nanoparticles is an established paradigm for the synthesis of semiconducting one-dimensional nanostructures. In this work we study their effect on the synthesis of two-dimensional semiconducting materials, by using gold nanoparticles for chemical vapor deposition growth of two-dimensional molybdenum disulfide (MoS₂). In comparison with the standard method, the employment of gold nanoparticles allows us to obtain large monolayer MoS₂ flakes, up to 20 μm in lateral size, even if they are affected by the localized overgrowth of MoS₂ bilayer and trilayer islands. Important modifications of the optical and electronic properties of MoS₂ triangular domains are reported, where the photoluminescence intensity of the A exciton is strongly

SUBMITTER: Seravalli L 

PROVIDER: S-EPMC9418562 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature