期刊
ADVANCED MATERIALS
卷 22, 期 32, 页码 3603-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201000251
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资金
- Air Force Office of Scientific Research [FA9550-08-1-0349]
- National Science Foundation [ECCS-0801922, ECCS-0609128]
- Penn State Center for Nanoscale Science (MRSEC)
- KAUST Scholar Award
- Founder's Prize
- American Academy of Mechanics
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [0801922] Funding Source: National Science Foundation
Dynamic tuning of plasmon-exciton resonant coupling in arrays of nanodisk-J-aggregate complexes is demonstrated. The angle-resolved spectra of an array of bare gold nanodisks exhibit continuous shifting of localized surface plasmon resonance. This characteristic enables the production of real-time, controllable spectral overlap between molecular resonance and plasmonic resonance. The resonant interaction strength as a function of spectral overlap is explored and the coupling strength changes with the incident angle of a probe light, in accord with simulations based on coupled dipole approximation method.
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