Here is our Highlights 2025 report. This booklet presents an overview of the activities carried out and the research conducted within the laboratory. It also highlights the key institutional and scientific moments of 2025. These highlights once again demonstrate C2N’s position as a leading laboratory at the local, national, and international levels, made possible by the dedication and commitment of all its teams: researchers, professors, associate professors, engineers, technicians, administrative staff, PhD students, and postdoctoral researchers.