Large-Scale Colloidal Synthesis of Non-Stoichiometric Cu2ZnSnSe4 Nanocrystals for Thermoelectric Applications

Graphical Over 10 g of non-stoichiometric Cu 2 ZnSnSe 4 colloidal nanocrystals for thermoelectric applications are prepared after one single reaction. The obtained pellet made from the colloidal nanocrystals shows a peak ZT value of 0.44 at 450 °C, which is similar to those of state-of-the-art Cu 2 ZnSnSe 4 -based bulk materials at the same temperature.