title: Nonradiative Energy Transfer from Individual CdSe/ZnS Quantum Dots to Single-Layer and Few-Layer Tin Disulfide.
abstract: 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.
authors.affiliation: Center for Functional Nanomaterials, Brookhaven National Laboratory , Upton, New York 11973, United States.
authors.forename: Huidong
authors.initials: H
authors.lastname: Zang
authors.affiliation: Center for Functional Nanomaterials, Brookhaven National Laboratory , Upton, New York 11973, United States.|Materials Science Department, Stony Brook University , Stony Brook, New York 11794, United States.
authors.forename: Prahlad K
authors.initials: PK
authors.lastname: Routh
authors.affiliation: Center for Functional Nanomaterials, Brookhaven National Laboratory , Upton, New York 11973, United States.
authors.forename: Yuan
authors.initials: Y
authors.lastname: Huang
authors.affiliation: Center for Functional Nanomaterials, Brookhaven National Laboratory , Upton, New York 11973, United States.|Materials Science Department, Stony Brook University , Stony Brook, New York 11794, United States.
authors.forename: Jia-Shiang
authors.initials: JS
authors.lastname: Chen
authors.forename: Eli
authors.initials: E
authors.lastname: Sutter
authors.forename: Peter
authors.initials: P
authors.lastname: Sutter
authors.affiliation: Center for Functional Nanomaterials, Brookhaven National Laboratory , Upton, New York 11973, United States.|Materials Science Department, Stony Brook University , Stony Brook, New York 11794, United States.
authors.forename: Mircea
authors.initials: M
authors.lastname: Cotlet
keywords: energy transfer; hybrid nanomaterial; layered metal dichalcogenides; quantum dots; single nanocrystal spectroscopy