Density Functional Theory (DFT) and Time-Dependent DFT (TDDFT) Studies of Porphyrin Adsorption on Graphene: Insights on the Effect of Substituents and Central Metal on Adsorption Energies. - Rayene Gara; Ángel Morales-García; Youssef Arfaoui; Francesc Illas (J. Comput. Chem., 2025)