Ros Costals, EloiFernández Ruano, Susana MaríaOrtega Villasclaras, PabloTaboada Cabellos, ElenaArnedo Gil, IsraelGandía Alabau, José JavierVoz Sánchez, CristobalBouclé, JohannMøller Greve, Martin2024-04-252024-04-252023-01-311996-194410.3390/ma16031223https://hdl.handle.net/20.500.14352/1035132023 Descuento MDPIIn this work, a new design of transparent conductive electrode based on a graphene monolayer is evaluated. This hybrid electrode is incorporated into non-standard, high-efficiency crystalline silicon solar cells, where the conventional emitter is replaced by a MoOx selective contact. The device characterization reveals a clear electrical improvement when the graphene monolayer is placed as part of the electrode. The current–voltage characteristic of the solar cell with graphene shows an improved FF and Voc provided by the front electrode modification. Improved conductance values up to 5.5 mS are achieved for the graphene-based electrode, in comparison with 3 mS for bare ITO. In addition, the device efficiency improves by around 1.6% when graphene is incorporated on top. These results so far open the possibility of noticeably improving the contact technology of non-conventional photovoltaic technologies and further enhancing their performance.engAttribution 4.0 Internationalhttps://creativecommons.org/licenses/by/4.0/journal articlehttps://doi.org/10.3390/ma16031223open access620.186GrapheneHole-transport-layerTransition metal oxidesNon-conventional silicon heterojunction solar cellsMateriales3306.06 Fabricación de Equipo Eléctrico3312 Tecnología de Materiales