Objective
The general objective of the project is to understand the photophysical processes in light harvesting complexes in the vicinity of optical antennas and particularly, the impact of quantum coherence on efficiency and directionality of ultrafast energy transport in photosynthesis.
Purple bacteria is an organism that most effectively transforms solar energy into chemical one. Light harvesting complex 2 (LH2), plays key role in this process: collects solar energy and transfer it to the reaction centre. The photophysics of light harvesting complexes is still not fully understood. In recent years long-lived coherences were observed, which was unexpected for such complicated systems. Many crucial questions appeared: Are the coherences purely induced by excitation schemes? Do they have a biological function? Is the nature of the coherences electronic or vibrational? So far, the experimental approach concentrated on ensembles, but the complexity of the system cause that registered coherences are temporarily and spatially averaged, which makes it difficult to answer the questions. One can lift the ensemble by observation of one-by-one individual LH2 complex with single molecule (SM) spectroscopy methods.
The observation of SM fluorescence requires chromophores with high quantum efficiency. Unfortunately, LH2 QE is very low. To enhance the fluorescence signal I propose to use optical antennas. These nanoscale structures, can focus electromagnetic energy to a spot of nanometric size. If the molecule is placed on such spot, the strong interaction between antenna and molecule allows the registration of enhanced SM fluorescence and even Raman spectra. With that tool, the study of LH2 complex at the SM level is possible. Hence we propose the investigation of single LH2 complex coupled to the optical antenna with ultrafast fluorescence and Raman spectroscopy, two complementary methods providing information about both, ground and excited state evolution.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences biological sciences microbiology bacteriology
- natural sciences chemical sciences physical chemistry photochemistry
- natural sciences physical sciences optics laser physics pulsed lasers
- natural sciences physical sciences optics spectroscopy
- natural sciences mathematics applied mathematics mathematical model
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
MSCA-IF-EF-ST - Standard EF
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2014
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
08860 Castelldefels
Spain
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.