This work was supported by the National Natural Science Foundation of China(No.52372210 and No.52072248);Natural Science Foundation of Guangdong Province of China(No.2023A1515010122 and No.2021A1515012128);Technology plan project of Shenzhen(No.20220810154601001).
BiSe with intrinsic low thermal conductivity has considered as a promising thermoelectric(TE)material at nearly room temperature.To improve its low thermoelectric figure of merit(zT),in this work,Sb and Te isovalent c...