Solar Light Harvesting N-Graphene Quantum Dots Decorated TiO2 for Enhanced Photocatalytic ActivityPing Feng Lim, Chen Hong Hak, Kah Hon Leong, Lan Ching Sim and Pichiah SaravananE3S Web Conf., 65 (2018) 05014DOI: https://doi.org/10.1051/e3sconf/20186505014