SbCrSe3, described as a quasi-1D structure with CrSe6 double chains, possesses an intrinsic low thermal conductivity due to the large anharmonicity and weak chemical bonds. By substituting Sb with Pb, a peak ZT= 0.46 at 900 K is obtained in Pb0.05Sb0.95CrSe3 sample. This is about 24 times larger value than measured on pristine SbCrSe3.
- Dingfeng Yang
- Wei Yao
- Xiaoyuan Zhou