Tellurium-free thermoelectrics: Improved thermoelectric performance of n-type Bi 2 Se 3 having multiscale hierarchical architecture

• DOI: 10.1016/j.enconman.2017.04.083
• Publication Date: 2017-05-16T12:15:51Z
• Authors: Anil K. Bohra; Ranu Bhatt; Ajay Singh; Ranita Basu; Shovit Bhattacharya; K.N. Meshram; Sajid Ahmad; A.K. Debnath; A.K. Chauhan; Pramod Bhatt; Kunjal Shah; Ketan Bhotkar; Saloni Sharma; D.K. Aswal; K.P. Muthe; S.C. Gadkari
• Keywords: 02 engineering and technology; 0210 nano-technology; 7. Clean energy

Presence of Hierarchical length scale defect architecture in hot-pressed Bi2Se3 has resulted into a significantly reduced thermal conductivity value of ∼0.7 W/mK and yielded a maximum figure-of-merit value of ∼0.96 at 370K.