Exploring CuO/Nano Graphitic Carbon Nitride Composites as Photocathode in Photocatalytic Fuel Cells - Kang-Zheng Khor; Soon-An Ong; Nabilah Aminah Lutpi; Yunhai Wang; Jai-Xien OrYang; Li-Ngee Ho (Water, Air, & Soil Pollution, 2026)