CT Sousa is specialized in nanoscience and nanotechnology and her interdisciplinary research has been mainly focused on the fabrication of nanostructures using self-assembling methods for biomedical and fuel cells technological applications.

CT Sousa has an h-factor of 30 and published more than 75 papers in international peer review journals and with over 2700 citations. She published in Appl. Phys. Rev. (IF=17.1), Chem.Mater. (9.6), Nano Energy (16.5), Energy Environ. Sci. (33.2).