Plasmonic Dye-Sensitized Solar Cells Using Core−Shell Metal−Insulator Nanoparticles

Plasmonic Dye-Sensitized Solar Cells Using Core−Shell Metal−Insulator Nanoparticles

We present an investigation into incorporating core−shell Au−SiO2 nanoparticles into dye-sensitized solar cells. We demonstrate plasmon-enhanced light absorption, photocurrent, and efficiency for both iodide/triiodide electrolyte based and solid-state dye-sensitized solar cells. Our spectroscopic in...

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Veröffentlicht in:Nano letters 2011-02, Vol.11 (2), p.438-445
Hauptverfasser: Brown, Michael D, Suteewong, Teeraporn, Kumar, R. Sai Santosh, D’Innocenzo, Valerio, Petrozza, Annamaria, Lee, Michael M, Wiesner, Ulrich, Snaith, Henry J
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Collective excitations (including excitons, polarons, plasmons and other charge-density excitations)
Coloring Agents - chemistry
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Crystallization - methods
Electric Conductivity
Electric Power Supplies
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Energy
Equipment Design
Equipment Failure Analysis
Exact sciences and technology
Gold - chemistry
Materials science
Nanocrystalline materials
Nanoscale materials and structures: fabrication and characterization
Nanostructures - chemistry
Nanostructures - ultrastructure
Nanotechnology - instrumentation
Natural energy
Particle Size
Photovoltaic conversion
Physics
Silicon Dioxide - chemistry
Solar cells. Photoelectrochemical cells
Solar Energy
Surface and interface electron states
Surface Plasmon Resonance - instrumentation
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Beschreibung
Zusammenfassung:We present an investigation into incorporating core−shell Au−SiO2 nanoparticles into dye-sensitized solar cells. We demonstrate plasmon-enhanced light absorption, photocurrent, and efficiency for both iodide/triiodide electrolyte based and solid-state dye-sensitized solar cells. Our spectroscopic investigation indicates that plasmon-enhanced photocarrier generation competes well with plasmons oscillation damping with in the first tens of femtoseconds following light absorption.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl1031106