FEDER - CNRS - PLDSURF - TREMPLIN
Kohesio
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
The CRISMAT laboratory, in partnership with CIMAP, aims to acquire large area laser ablation equipment, in order to support its thin film activities, and in particular activities on the new transparent conductor SrVO3. These materials, transparent conductors, are necessary when it is necessary to combine transparency with visible light and electrical contact, which is the case in a wide range of applications such as flat or touch screens, photoluminescent diodes or even photovoltaic cells. Indium tin oxide (ITO), the industrial standard material, suffers from the scarcity of one of the constituent elements, Indium, which has led to strong research activity to identify alternative transparent conductors without Indium. With its properties comparable to ITO, SrVO3 offers itself as an alternative material, whose character as a transparent conductor was only demonstrated in 2016. Being active in research using SrVO3 for several years, CRISMAT has focused its efforts on the development and especially on the integration of this perovskite type oxide on low-cost substrates, in partnership with CIMAP. During the Labex EMC3 “COTRA (2017/2018) joint project, we were able to highlight the technological interest of this material and demonstrate its integration on glass, which is currently the subject of a patent application. SrVO3 is also one of the research subjects of the ANR project “Polynash (2018 2022), which aims to integrate complex oxides on low-cost substrates through the use of nanosheets. We are then able to use a wide range of substrates to develop thin crystalline layers of this new transparent conductor. However, there is still an important technological obstacle to overcome to consider technology transfer: large-area deposition. Our deposition technique, pulsed laser ablation (PLD Pulsed laser Deposition) is one of the techniques best suited to the deposition of thin layers of this type of oxide, but requires suitable equipment for large surfaces to allow laser scanning over larger surfaces. Such equipment will allow us to offer samples approaching the sizes used in the industrial world, promoting exchanges with these players, for easier technological transfer not only of SrVO3, but also of other functional materials.
Smarter Europe / Research and innovation / Research and innovation infrastructure (public)