Nanothermoelectrics - Lund Circuit Design Workshop

What makes a good thermoelectric ?HotT 2Q (Heat)ColdT 1RCurrent I• Low parasitic heat conduction by electrons (κ el ) and phonons (κ ph ).• High Seebeck coefficient S = ∆V/∆T• Little Joule heating (high conductivity σ)Figure of merit: Z =S 2 σκ e+ κ phZT > 1 is good