Polycrystalline skutterudites Ba0.32Co4Sb12−𝑥Te𝑥 (nominally 𝑥 = 0.1-0.7) are synthesized by the high pressure and high temperature (HPHT) method. The influence of Te substitution on electrical transport properties are investigated in the temperature range of 300-710 K. All the samples show n-type conduction. It is found that the presence of Te substantially decreases electrical resistivity without any detrimental effect on the Seebeck coefficients, which improves the power factor. Among all the samples, Ba0.32Co4Sb11.5Te0.5 shows the highest thermoelectric figure of merit of 0.76 at 710 K.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.