Hierarchical thermoelectrics: crystal grain boundaries as scalable phonon scatterers

Daniele Selli, Salah Eddine Boulfelfel, Philipp Schapotschnikow, Davide Donadio, Stefano Leoni
2016 Nanoscale  
Grains of different length-scales, obtained by controlled compression, affect the lattice thermal conductivity of polycrystalline lead chalcogenides thus improving their thermoelectric performance.
doi:10.1039/c5nr05279c pmid:26815914 fatcat:msmza4zah5gy5cqo563po45bva