Superior Thermoelectric Performance in Nanostructured PbTe-PbS Pseudo-binaries（1）
第六届海内外中华青年材料科学技术研讨会（2015）——Lead chalcogenides are dominant thermoelectric materials in the medium-temperature range, owing to their highly favorable electronic band structures and low thermal conductivities achievable. An important system is the PbTe-PbS pseudo-binary and its low thermal conductivity originates largely from the coexistence of both alloying and nanostructuring through phase-separation. To better understand the competition between alloying and phase separation, and its pronounced effects on the thermoelectric performance in PbTe-PbS, we systematically studied, via transmission electron microscopy (TEM) observations and theoretical calculations, K- and Na- doped (PbTe)1-x(PbS)x pseudo-binaries.
关键词： thermoelectric performance;TEM;PbTe-PbS Pseudo-binaries 第六届海内外中华青年材料科学技术研讨会（2015）
主讲人：Prof. Jiaqing He 机构：South University of Science and Technology of China
时长：0:12:02 年代：2015年
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