Davis, D., & Sudheer, K. (2025). Graphene Oxide and Reduced Graphene Oxide as Hole Transport Layers for Improved Efficiency in Fullerene-Based Bulk Heterojunction Organic Solar Cells: A Numerical Simulation Study . East European Journal of Physics, (1), 217-232. https://doi.org/10.26565/2312-4334-2025-1-23