High-Performance n-Type PbSe–Cu<sub>2</sub>Se Thermoelectrics through Conduction Band Engineering and Phonon Softening

Chongjian Zhou, Yuan Yu, Yong Kyu Lee, Oana Cojocaru‐Mirédin, Byeongjun Yoo, Sung‐Pyo Cho, Jino Im, Matthias Wuttig, Taeghwan Hyeon, In Jae Chung

Journal of the American Chemical Society · 2018 · 158 citations · 61 references

Concepts

Abstract

at 773 K, approaching its theoretical amorphous limit. According to first-principles calculations, the achieved ultralow value can be attributed to remarkable acoustic phonon softening at the low-frequency region.

References

61