Direct Nucleation of Hierarchical Nanostructures on Plasmonic Fiber Optics Enables Enhanced SERS Performance

D.Z., R.S. contributed equally to this work and are co-first authors in this work. M.D.V, F.P. and L.C. jointly supervised and are co-last authors in this work. M.D.V. and F.P. acknowledge funding by the European Union (ERC, MINING, 101125498). Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Research Council. Neither the European Union nor the granting authority can be held responsible for them. D.Z., M.F.K., L.C., M.D.V., and F.P. acknowledge funding from the European Union's Horizon 2020 Research and Innovation Program under Grant Agreement No. 828972. L.C., M.D.V., and F.P. acknowledge funding from the Project “RAISE (Robotics and AI for Socio-economic Empowerment)” code ECS00000035 funded by the European Union – NextGenerationEU PNRR MUR - M4C2 – Investimento 1.5 - Avviso “Ecosistemi dell'Innovazione” CUP J33C22001220001. M.D.V. and F.P. acknowledge that this project has received funding from the European Union's Horizon 2020 Research and Innovation Program under Grant Agreement No. 101016787. L.C. and R.S. acknowledge the Italian Ministry of Research (Directorial Decree No. 1409 of 14-9-2022) within the project PRIN 2022 PNRR “CO2@photothermocat - Removal of air pollutants and valorization of the produced CO2: hybrid catalysis to solve two issues at single blow”, P2022JXKKF_PE4 - CUP B53D23025390001 funded by the European Union - Next Generation EU. Moreover, L.C. and R.S. acknowledge the Italian Ministry of Research (MUR) in the framework of the National Recovery and Resilience Plan (NRRP) and under the complementary actions to the NRRP funded by NextGenerationEU, “Fit4MedRob” Grant (PNC0000007, B53C22006960001). L.C. acknowledges also the Research and Innovation Program “National Quantum Science and Technology Institute” (NQSTI, N. PE0000023, B53C22004180005, PNRR MUR project). Open access publishing facilitated by Istituto Italiano di Tecnologia, as part of the Wiley - CRUI-CARE agreement.