Influence of cocatalysts (Ni, Co, and Cu) and synthesis method on the photocatalytic activity of exfoliated graphitic carbon nitride for hydrogen production - Rana, Adeem Ghaffar (Technical University of Munich. Department of Life Science Engineering) ; Schwarze, Michael (Technische Universität Berlin. Department of Chemistry) ; Tasbihi, Minoo (Technische Universität Berlin. Department of Chemistry) ; Sala Román, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; García-Antón, Jordi (Universitat Autònoma de Barcelona. Departament de Química) ; Minceva, Mirjana (Technical University of Munich. Department of Life Science Engineering)