標題: Dual Strong Couplings Between TPPS J-Aggregates and Aluminum Plasmonic States
作者: Li, Jie
Ueno, Kosei
Uehara, Hiyori
Guo, Jingchun
Oshikiri, Tomoya
Misawa, Hiroaki
應用化學系
應用化學系分子科學碩博班
Department of Applied Chemistry
Institute of Molecular science
公開日期: 21-Jul-2016
摘要: We report on the spectral properties of strong coupling between the localized surface plasmon resonances (LSPRs) of aluminum (Al) nanostructures and tetraphenylporphyrin tetrasulfonic acid hydrate (TPPS) J-aggregates. Because of their wide spectral range of LSPR bands from ultraviolet to near-infrared wavelengths by controlling structural size, Al nanodisks can realize strong coupling with different excitons of TPPS J-aggregates. The Rabi splitting energies of the excitons based on Soret and Qbands are 300 and 180 meV, respectively. In addition to extinction spectrum, we have also measured an excitation spectrum to determine the essential absorption of the hybrid states and successfully confirmed a shoulder peak corresponding to a lower branch of hybrid states. In Al nanorod systems, strong coupling with two excitons can also be selectively induced by merely rotating the polarization of the incident light, which constituted a simple platform for the dynamic control of exciton/plasmon coupling states.
URI: http://dx.doi.org/10.1021/acs.jpclett.6b01224
http://hdl.handle.net/11536/134133
ISSN: 1948-7185
DOI: 10.1021/acs.jpclett.6b01224
期刊: JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume: 7
Issue: 14
起始頁: 2786
結束頁: 2791
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