Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 조윌렴 | * |
dc.contributor.author | 김동욱 | * |
dc.contributor.author | 이상욱 | * |
dc.date.accessioned | 2022-06-02T16:30:56Z | - |
dc.date.available | 2022-06-02T16:30:56Z | - |
dc.date.issued | 2022 | * |
dc.identifier.issn | 2079-4991 | * |
dc.identifier.other | OAK-31511 | * |
dc.identifier.uri | https://dspace.ewha.ac.kr/handle/2015.oak/261155 | - |
dc.description.abstract | We fabricated hybrid nanostructures consisting of MoS2 monolayers and Au nanopillar (Au-NP) arrays. The surface morphology and Raman spectra showed that the MoS2 flakes transferred onto the Au-NPs were very flat and nonstrained. The Raman and photoluminescence intensities of MoS2/Au-NP were 3-and 20-fold larger than those of MoS2 flakes on a flat Au thin film, respectively. The finite-difference time-domain calculations showed that the Au-NPs significantly concentrated the incident light near their surfaces, leading to broadband absorption enhancement in the MoS2 flakes. Compared with a flat Au thin film, the Au-NPs enabled a 6-fold increase in the absorption in the MoS2 monolayer at a wavelength of 615 nm. The contact potential difference mapping showed that the electric potential at the MoS2/Au contact region was higher than that of the suspended MoS2 region by 85 mV. Such potential modulation enabled the Au-NPs to efficiently collect photogenerated electrons from the MoS2 flakes, as revealed by the uniform positive surface photovoltage signals throughout the MoS2 surface. © 2022 by the authors. Licensee MDPI, Basel, Switzerland. | * |
dc.language | English | * |
dc.publisher | MDPI | * |
dc.subject | electron transfer | * |
dc.subject | MoS2 | * |
dc.subject | photoluminescence | * |
dc.subject | surface photovoltage | * |
dc.subject | surface plasmon | * |
dc.title | Enhanced Light Absorption and Efficient Carrier Collection in MoS2 Monolayers on Au Nanopillars | * |
dc.type | Article | * |
dc.relation.issue | 9 | * |
dc.relation.volume | 12 | * |
dc.relation.index | SCIE | * |
dc.relation.index | SCOPUS | * |
dc.relation.journaltitle | Nanomaterials | * |
dc.identifier.doi | 10.3390/nano12091567 | * |
dc.identifier.wosid | WOS:000799260700001 | * |
dc.identifier.scopusid | 2-s2.0-85129408047 | * |
dc.author.google | Song J. | * |
dc.author.google | Kwon S. | * |
dc.author.google | Jeong H. | * |
dc.author.google | Choi H. | * |
dc.author.google | Nguyen A.T. | * |
dc.author.google | Park H.K. | * |
dc.author.google | Park H.-H. | * |
dc.author.google | Jo W. | * |
dc.author.google | Lee S.W. | * |
dc.author.google | Kim D.-W. | * |
dc.contributor.scopusid | 조윌렴(7103322276) | * |
dc.contributor.scopusid | 김동욱(57203350633) | * |
dc.contributor.scopusid | 이상욱(57254781200) | * |
dc.date.modifydate | 20240222165214 | * |