A new route for high quality nanometric films of inorganic halide perovskites Naomi Falsini, Nicola Calisi, Giammarco Roini, Andrea Ristori, Francesco Biccari, Paolo Scardi, Claudia Borri, Stefano Caporali and Anna Vinattieri EPJ Web Conf., 238 (2020) 07004 Published online: 20 August 2020 DOI: 10.1051/epjconf/202023807004