Petroleum coke-derived graphene as a low-cost electrode material for efficient perovskite solar cells. - Alkhatani, Masfar; Almutairi, Mzoun M.; Alalwan, Mariam H.; Algharash, Hawraa K.; Aldossary, Raghad A.; Alzahrani, Yahya A.; Alenzi, Sultan; Almalki, Ibtisam S.; Yafi, Ghazal S.; Alessa, Abdulmalik M.; Alghannam, Faisal S.; Aljuwayr, Abdulaziz; et al. (Nanoscale Advances, 2025)