PERSOPASS · PERovkite Stability and Optoelectronic Properties Assessment at the Steady State
Horizon 2020 — Marie Skłodowska-Curie Actions
- Duration
- 2020-09-10 → 2022-09-09
- EU contribution
- €184,708
- Participants
- 1
- Scheme
- MSCA-IF
Lines connect the coordinator with its partners.
Results in brief
PERovkite Stability and Optoelectronic Properties Assessment at the Steady State
Halide Perovskites are an emerging material family with astonishing optoelectronic properties. They have become promising materials for high-performance solar cells, shown by the fact that they might reach the efficiencies of traditional silicon in less than 15 years of research. However, for their widespread application, two main issues remain. Firstly, they must be stable on the timescale of years and, secondly, their chemistry must be rationalized to have full control of their properties. PERSOPASS aims to tackle these issues by studying the relation between the chemistry and the optoelectronic properties of halide perovskites. This should provide novel strategies for obtaining stable and reproducible samples for long-lasting applications. With reliable perovskite solar cell production, Europe could revolutionize the photovoltaic market by being able to produce photovoltaic panels locally. This could lead to new supply chains being created and Europe shedding its dependance on Asian partners. Knowing how to manage and stabilize the perovskites is a key element not only for research but also for industries that want to develop reliable products with low overheads. The strategy pursued in PERSOPASS focused on studying the chemistry of the perovskites at thermodynamic equilibrium (which is by definition the most stable state point of the system). This should be reachable thanks to the self-healing properties of halide perovskites. Strategies for the recuperation of damaged perovskite solar panels have been assessed and may finally permit a long-term use of the halide perovskite technology for solar energy applications.
Data: CORDIS, © European Union
Project objective
Halide perovskites solar cells are asserting themselves as possible alternative to the currently dominating Silicon based ones. Their low-cost, ease of production and the high power-conversion efficiency make them promising candidates for the next generation of solar cells. In the project PERSOPASS I will address the issue that most critically impede the advent of halide perovskite solar cells in the market: stability. Results on this subject are sparse and the reproducibility between groups is scarce. This is due to the significant influence of composition variations on perovskite properties and, also, to the lack of control of the precise (ppm) composition. I will use a straightforward microfluidic based strategy in which the composition of halide perovskite crystals is set by the contact with continuously flowing precursor or dopant solutions. Reaching a steady state, any dependence on the fabrication process will be removed. The specific configuration of this project will allow me to assess a large number of precisely controlled compositions in parallel. Together with the ability to characterize the optoelectronic properties on a microscopic scale, this experimental platform enables the drawing of a correlation between variation of composition and stability as well as doping. The hosting laboratory IPVF is a global leader in the development of advanced characterization methods with an outstanding expertise on hyperspectral luminescence and time-resolved fluorescence imaging, which will be extensively used during the action. I will contribute my expertise in microfluidics and on the self-healing chemical properties of halide perovskites. Beyond purely scientific objectives, this project also aims to provide industrially relevant strategies for damage mitigation which is essential for the widespread use of perovskite solar panels.
Original text from CORDIS.
Participants
- CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS · ParisCoordinatorFrance
Links
Data: CORDIS, © European Union