Atomic manipulation induced plainer lattice makes better thermoelectric cooler and power generator

https://www.eurekalert.org/news-releases/1073121

"enhances thermoelectric performance/ mechanical processing properties of n-type bismuth telluride based alloys... lattice plainification/ band engineering, introducing trace Cu atoms effectively regulate intrinsic lattice defects, achieving fine tuning of the conduction band structure, and significantly enhancing carrier mobility μ... promotes band sharpening/ divergence, significantly improved mechanical processing for large-scale production... ~6.4% power generation efficiency at room temperature... precise temperature control"