Highly effective solid solution towards high thermoelectric and mechanical performance in Bi–Sb–Te alloys via Trojan doping

Energy Environ. Sci., 2024, 17,2326-2335
DOI: 10.1039/D4EE00132J, Paper
Yong-Cai Shi, Jianmin Yang, Yu Wang, Zu-Gang Li, Tian-Yu Zhong, Zhen-Hua Ge, Jing Feng, Jiaqing He
We present a novel approach named Trojan doping, which utilizes NaBiS2 to increase the solubility of Na in p-type BST alloys. The ZT value and the hardness of the doped sample are 58% and 45% higher than those of the pristine sample, respectively.
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