A new solvothermal approach to obtain nanoparticles in the Cu3SnS4-Cu2FeSnS4 join

1 Dept. of Industrial Engineering, University of Florence, via di Santa Marta 3, 50100 Firenze, Italy 2 Center of Nanotechnology @NEST, Istituto Italiano di Tecnologia, Piazza San Silvestro 12, 56100 Pisa, Italy 3 Institute of Geosciences and Earth Resources, CNR, via G. La Pira, 4, 50124 Firenze, Italy 4 Dept. of Earth Sciences, University of Florence, via G. La Pira 4, 50124 Firenze, Italy; francesco.dibenedetto@unifi.it 5 Operative Group in Grenoble, Istituto di Officina dei Materiali, CNR, c/o European Synchrotron Radiation Facility (ESRF), avenue des Martyrs, 71, 38100 Grenoble, France 6 Institute for the Chemistry of OrganoMetallic Compounds, CNR, via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy 7 Dept. of Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer-Straße 2, 5020 Salzburg, Austria 8 Dept. of Chemistry, University of Florence, via della lastruccia 3, 50019 Sesto Fiorentino, Italy * Corresponding author