Hybrid Nanostructures for Enhanced Light-Harvesting: Plasmon Induced Increase in Fluorescence from Individual Photosynthetic Pigment–Protein Complexes

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 rang...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	Nano letters 2011-11, Vol.11 (11), p.4897-4901
Hauptverfasser:	Beyer, Sebastian R, Ullrich, Simon, Kudera, Stefan, Gardiner, Alastair T, Cogdell, Richard J, Köhler, Jürgen
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Collective excitations (including excitons, polarons, plasmons and other charge-density excitations) Coloring Agents - chemistry Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Copolymers Cross-disciplinary physics: materials science rheology Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Exact sciences and technology Excitation spectra Fluorescence Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties Materials science Materials Testing Nanocrystalline materials Nanoparticles Nanoscale materials and structures: fabrication and characterization Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals Nanostructure Nanostructures - chemistry Nanostructures - ultrastructure Physics Plasmons Proteins Proteins - chemistry Refractometry - methods Spectra Spectrometry, Fluorescence - methods Strategy Structure of solids and liquids crystallography Surface and interface electron states Surface Plasmon Resonance - methods Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties)
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	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.
ISSN:	1530-6984 1530-6992
DOI:	10.1021/nl202772h