| 报告题目 | Atomistic description of nanoparticle: from plasmonic response to near-field spectroscopy |
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| 报告介绍 | Abstract：
The plasmonic response of quantum-sized nanoparitcles (NPs) exhibit interesting features that cannot be described by classical electrodynamics. In particular, the near-field distributions are modified by local environments, which strongly impact near-field spectroscopy. We developed an atomistic electrodynamics model to simulate the plasmonic responses of metal nanoparticles. This model performs well in predicting the plasmonic properties of bare, ligand-coated, and strongly coupled nanoparticles. Incorporating with quantum mechanics approaches and molecular dynamics, it allows us to understand the origin of high-resolution near-field spectroscopy and provides practical strategies in manipulating plasmonic response at the atomic level.
[1] Atomistic Electrodynamics Simulations of Bare and Ligand-Coated Nanoparticles in the Quantum Size Regime, X. Chen, J. E. Moore, Z. Meserret, J. Lasse*, Nat. Commun.,6, 8921, 2015.
[2] Morphology dependent near-field response in atomistic plasmonic nanocavities, X. Chen, L. Jensen*, Nanoscale, 10, 11410, 2018.
[3]Microscopy with a Single Molecule Scanning Electrometer,
J. Lee†, N. Tallarida†, X. Chen†, L. Jensen*, V. A. Apkarian*, Sci. Adv., 4, eaat5472, 2018.
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