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Content archived on 2024-06-20

Time Resolved Single Molecule Spectroscopy Studies of Photoinduced Charge Separation and Charge Transfer in Model Photovoltaic Solar Energy Devices

Objective

The development of renewable energy - particularly energy from wind, water, solar power and biomass - is a central aim of the European Commission's energy policy. Renewable energy sources are expected to be economically competitive with conventional energy sources in the medium to long term.

Many of the most promising strategies for solar energy conversion involve charge separation of an exciton in a photovoltaic device comprised of a nanostructured composite of various types.

We propose to use novel single molecule (particle) modulation spectroscopy techniques to investigate photoinduced charge separation and charge transfer reactions in model photovoltaic solar energy devices based on nanoparticles.

We believe that this general strategy will ultimately lead to new tools for photovoltaic device and materials research that will be single molecule spectroscopy (SMS) 'functional equivalents' for photo-electro-chemistry and ultrafast spectroscopy.

In particular, this proposal takes a new direction in solar energy conversion research by developing and applying a new technique, Fluorescence Voltage-Time Resolved-Single Molecule Spectroscopy (FV-TR-SMS).

This method involves simultaneous and synchronized SMS E-Field modulation, and light intensity modulation and/or pulsed lasers.

Preliminary FV-TR-SMS results demonstrate that these methods are well suited to study the kinetics of photoinduced charge separation and transfer at the molecular level, and will allow us investigate in the proposed research critical unresolved issues regarding how charge separation and charge transfer processes depend upon chemical structure, morphology and the physical state (e.g. charging) of the layers and interfaces in the model photovoltaic solar energy devices.

Fields of science (EuroSciVoc)

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Keywords

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Topic(s)

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Call for proposal

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FP6-2004-MOBILITY-6
See other projects for this call

Funding Scheme

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OIF - Marie Curie actions-Outgoing International Fellowships

Coordinator

TECHNION - ISRAEL INSTITUTE OF TECHNOLOGY
EU contribution
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Total cost

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Participants (1)

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