T. Hirano, T.Tsuboi, K. L. A. Cao, E.Tanabe, T. Ogi*, High specific surface area niobium-doped tin oxide nanoparticles produced in spray flames as catalyst supports in polymer electrolyte fuel cells, Jounal of Nanoparticle Research, 17 December 2022, https://doi.org/10.1007/s11051-022-05649-3