Noble Metal Coating on Perovskite Microcrystals for Robust and Plasmonic Lasing Applications
Source abstract
Abstract
Abstract Lead halide perovskites (LHP) are solution‐processable semiconductor materials with high optical gain and broad wavelength tunability, making them well‐suited for laser applications. Here, a solution‐based method for the 3D conformal coating of LHP microcrystals with noble metals is presented. A nanoscale metal coating layer is found to significantly enhance both laser performance and environmental stability. This enables gold‐coated CsPbBr 3 microcrystals to be delivered into live cells, achieving single‐mode plasmonic lasing under optical pumping. Silver‐coated CsPbBr 3 particles demonstrate stable plasmonic lasing in the air. This one‐pot synthesis method opens new possibilities for leveraging LHPs to implant micro‐laser sources into physical, biological, and industrial systems.
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Research context
OpenAlex topics: Perovskite Materials and Applications · Optical properties and cooling technologies in crystalline materials · Thermal Radiation and Cooling Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Harvard Medical School and Wellman Center for Photomedicine Massachusetts General Hospital Cambridge MA 02139 USA
Harvard‐MIT Health Sciences and Technology Massachusetts Institute of Technology Cambridge MA 02139 USA
Funding
National Institutes of Health
References (83)
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