Coupled Vacancy and Phonon‐Scattering Engineering Drive Defect Evolution Toward Multifunctional High‐Performance Bi 2 Te 3 Thermoelectrics

Key Points

• To explore how coupled vacancy and phonon-scattering influence defect evolution in thermoelectrics.
• Analyzed defect structures in Bi2Te3 thermoelectrics
• Investigated phonon scattering effects
• Evaluated thermoelectric performance metrics
• Identified mechanisms driving defect evolution
• Enhanced thermoelectric properties observed
• Potential improvements in multifunctional applications demonstrated