Amollo T. A.,Genene Tessema Mola.,Nyamori Vincent .2025-07-172025-07-172018-06DOI: • 10.1039/C8RA04223Chttp://41.89.96.81:4000/handle/123456789/2224enGermanium quantum dot/nitrogen-doped graphene nanocomposite for high-performance bulk heterojunction solar cellsArticle