Superior flexibility merges high power density in single-crystal Bi 2 Te 3 film thermoelectric generators

Nature Communications, Published online: 07 September 2026; doi:10.1038/s41467-026-77574-1 This work demonstrates an antisite-defect suppression strategy for Bi2Te3 single-crystal thin films, enabling flexible thermoelectric generators that deliver high power output and long-term bending durability for wearable microelectronic applications.