Alternative metallic fillers for the preparation of conductive nanoinks for sustainable electronics

B.C.P. and C.D.U. contributed equally to this work. This research was funded by the Spanish Ministry of Science, grant number PID2020-13480RB-I00 and TED2021-130191B-C43, and by the EU-commission, HORIZON-CL4-2021-DIGITAL-EMERGING-01 (HyPELignum), PROJECT No.101070302 (2022-26). M.S. was supported by a Margarita Salas fellowship financed by the European Union-NextGenerationEU and the Plan for Recovery, Transformation and Resilience. Authors also acknowledge the Servicio Interdepartamental de Investigación at the Universi- dad Autónoma de Madrid, the TEM Service at the Centro de Biología Molecular Severo Ochoa (CBMSO, CSIC-UAM), SEM at MiNa Labora- tory (IMN, funding from CM (project S2018/NMT-4291 TEC2SPACE), MINECO (project CSIC13-4E-1794) and EU (FEDER, FSE)) and XRD, FTIR, the elemental and thermal analysis, and the characterization and growth of thin films service at ICMM/CSIC.