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Title: | OPTICAL PROPERTIES OF PLASMONIC HYBRID-STRUCTURE AND METAL-ORGANIC FRAMEWORKS | Authors: | ZHU ZIYU | ORCID iD: | ![]() |
Keywords: | Optical Materials, Nanophotonics, Nonlinear Optical Properties, Plasmonics, Transition Metal Dichalcogenides, Metal-Organic Frameworks | Issue Date: | 24-Jan-2021 | Citation: | ZHU ZIYU (2021-01-24). OPTICAL PROPERTIES OF PLASMONIC HYBRID-STRUCTURE AND METAL-ORGANIC FRAMEWORKS. ScholarBank@NUS Repository. | Abstract: | Given that optical responses in many hot materials have certain limitations, this thesis takes on a multi-prong approach to studying and enhancing the linear and nonlinear optical properties of these materials. Our mechanistic study on the plasmon-exciton interaction between noble metal nanostructures and TMDC monolayer highlights that a decrease in gap distance increases PL of MoS2. We have also designed a cavity structure to enhance the nonlinear optical properties. Using our cavity, we were able to probe the 1s state and the higher 2p dark excitonic state of A excitons. Finally, we revealed the importance of structural rigidity through the use of hydrogen bonds and the coordination-induced mechanism to enhance the two-photon absorption (2PA) action cross-section of MOFs. The findings of this thesis provide a deeper understanding of light-matter interactions in TMDCs and MOFs and a bright avenue for the future development of linear and nonlinear optical devices. | URI: | https://scholarbank.nus.edu.sg/handle/10635/199974 |
Appears in Collections: | Ph.D Theses (Open) |
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