Enhancing thermoelectric performance in hierarchically structured BiCuSeO by increasing bond covalency and weakening carrier–phonon coupling GK Ren, SY Wang, YC Zhu, KJ Ventura, X Tan, W Xu, YH Lin, J Yang, ... Energy & Environmental Science 10 (7), 1590-1599, 2017 | 126 | 2017 |