Project description
Resolving bound states to improve organic solar cell performance
Due to their versatility, low-cost production and low carbon footprint, organic solar cells (OSCs) are promising for capturing light energy. With up to 20 % power conversion efficiency, their capability is still limited by bound states that cause photocurrent losses. Attempts to better understand the dynamics of these bound states have fallen short and, instead, require the use of multiple advanced techniques, mathematical tools and modelling. Supported by the Marie Skłodowska-Curie Actions programme, the SPERAPHOUS project aims to boost the efficiency of OSCs by developing novel design rules. To do so, it will combine experience in photocurrent spectroscopy on optoelectronic devices under operating conditions with expertise in ultra-fast multidimensional spectroscopy to spectro-temporally characterise bound states in OSCs.
Objective
With the rise in global warming, transitioning to renewable energy is more necessary than ever. Organic solar cells (OSC), with their flexibility and lower production costs and footprint, offer promising platforms for efficient light harvesting and net zero greenhouse gas emission. While OSCs nowadays depict 20% power conversion efficiencies, their performance is hindered by the bound states leading to photocurrent losses as they cannot provide free charge carriers. Efforts have been made to understand these bound states such as bound excitons, bound charge transfer states, and localized polarons as mitigating them could boost efficiency. However, identifying and analysing their dynamics requires extensive experimental work involving various techniques, mathematical tools, and modelling, further complicated by linking experimental results to device performance. Herein, by combining my expertise in photocurrent spectroscopy on optoelectronic devices under operando conditions with the host’s expertise in ultrafast multidimensional spectroscopy, I propose the SPEctrally Resolved Action PHOtocurrent Ultrafast Spectroscopy (SPERAPHOUS). This will spectro-temporally characterize bound states in OSCs under operando conditions ultimately leading to the development of design rules to improve OSCs efficiency. To achieve this, an interferometric system combined with ultrafast pulses, providing the spectro-temporal information, will be applied on Non-Fullerene Acceptor (NFA): Donor OSCs whose photocurrent response will be measured. SPERAPHOUS will contribute to the OSC research community and pave the way for investigating other optoelectronic devices, such as those based on perovskites and two-dimensional materials. Furthermore, through SPERAPHOUS, I will gain new knowledge and skills in ultrafast multidimensional spectroscopy, and I will enhance my academic skills broadening my scientific background leading to research independence.
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 physical sciences condensed matter physics quasiparticles
- natural sciences physical sciences optics spectroscopy
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
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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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
MAIN PROGRAMME
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Topic(s)
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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.
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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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) HORIZON-MSCA-2024-PF-01
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20133 Milano
Italy
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