期刊
NANO LETTERS
卷 11, 期 11, 页码 4897-4901出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl202772h
关键词
Plasmon enhancement; pigment-protein complexes; single molecule spectroscopy; LH2; hybrid nanostructures; Rhodobacter sphaeroides
类别
资金
- German Science Foundation [Ko 1359/21-1, GRK 1640]
- EPSRC
- EPSRC [EP/F047851/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F047851/1] Funding Source: researchfish
We studied the optical response from more than 13 000 individual photosynthetic pigment-protein complexes interacting with spherical gold nanoparticles. The nanodots were arranged in a quasi-hexagonal array by diblock copolymer micellar nanolithography. Exciting the proteins within the spectral range of the nanoparticles' plasmon resonance yields a clear enhancement of the protein fluorescence intensity, whereas excitation far out of the plasmon resonance features no effect. This result indicates a strategy for the construction of efficient hybrid light-harvesting devices.
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