Fabrication and Enhanced Thermoelectric Properties of Alumina Nanoparticle-Dispersed Bi0.5Sb1.5Te3 Matrix Composites
Figure 1
(a) FE-SEM image of Al2O3 nanoparticles used in this study, (b) size distribution of the nanoparticles in solvent with different concentration, (c) surface morphology of p-type Bi0.5Sb1.5Te3 nanopowders prepared from MCP, (d) XRD patterns of fabricated p-type Bi0.5Sb1.5Te3 nanopowders, (e) the surface morphology of the fabricated Al2O3/BST composite powders, and (f) TEM image showing Al2O3 nanoparticles dispersed in BST matrix powders.