Studies on the Bi<sub>2</sub>Te<sub>3</sub>–Bi<sub>2</sub>Se<sub>3</sub>–Bi<sub>2</sub>S<sub>3</sub>system for mid-temperature thermoelectric energy conversionWeishu Liu, Zhifeng Ren, Kenneth McEnaney et al.|Energy & Environmental Science|2012Cited by 307