Project description
Early degradation in metal halide perovskite structures
The advanced comparative ex situ analysis of ageing metal halide perovskites has limitations, particularly in understanding early-stage degradation and its progression. The ERC-funded GEMINI project aims to enhance our understanding of halide perovskite structures following photon absorption, investigating how this process contributes to early degradation. A key development of the project is the creation of a tabletop time-resolved X-ray scattering diffractometer, designed to study ultrafast structural dynamics in the lab. GEMINI addresses the shortcomings of ex situ analysis, including the sensitivity of perovskites to high probe doses and vacuum conditions, which accelerate degradation. The project will use in situ and operando methods, using low-dose techniques, specially designed sample chambers and advanced spectroscopy tools to offer real-time insights into degradation under various ISOS stressors.
Objective
GEMINI aims to advance fundamental understanding about the halide perovskite structure dynamic subsequently to photons absorption and how the latter can seed the early stage degradation. The state-of-the-art overflows of comparative ex situ analysis before and after ageing. This approach does reveal neither information on early stage degradation nor relevant information on their propagation. GEMINI has the ambition to fill in this understanding gap through a holistic approach to cover the multiscale degradation facets. For this, specific developments are integrated, in particular a table-top time-resolved X-ray scattering diffractometer to explore ultrafast structural dynamic in lab. GEMINI addresses all drawbacks of ex situ analysis and the constrains of the perovskite sensitiveness to high probe dose or high vacuum which itself contribute to the degradation. GEMINI will reveal live information resulting exclusively from in situ and operando approaches based on low-dose techniques, through specifically developed sample chambers and setup modifications. Ultrafast time-resolved and electron spin resonance spectroscopies, time-resolved and steady-state X-ray diffraction and live-scanning environmental transmission electron microscopy (STEM) combined to the latest development in 4D-STEM/ASTAR are combined to gather comprehensive multiscale information about degradation upon all relevant ISOS stressors, one at once and in combination to assess the synergetic effects. GEMINI is built upon solid background competences with these advanced techniques to ensure impacts beyond the state-of-the art (SoA): (i) understanding perovskite structural dynamic and relaxation upon photo-excitation down to 1ps time scale, (ii) revealing the multiscale degradation pathways from seeds to long-range depending on ISOS stressors, (iii) networking with EU funded projects in the field to go beyond SoA materials analysis and implement predictive model for ageing.
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 optics microscopy
- natural sciences physical sciences theoretical physics particle physics photons
- 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.1.1 - European Research Council (ERC)
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-ERC - HORIZON ERC Grants
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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) ERC-2023-ADG
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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.
75794 Paris
France
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.