Abstract Thermoelectric modules can be used in waste heat harvesting, sensing, and cooling applications. Here, we report on the fabrication performance of a four-leg module based abundant silicide materials. While previously optimized Mg 2 Si 0.3 Sn 0.675 Bi 0.025 is as n -type leg, employ fractional factorial design Taguchi methods mapping out four-dimensional parameter space among Mn x-? Mo ?...