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This content will become publicly available on August 13, 2019

Title: Soft phonon modes from off-center Ge atoms lead to ultralow thermal conductivity and superior thermoelectric performance in n-type PbSe–GeSe

The off-centered Ge leads to the ultralow lattice thermal conductivity and record high average ZT for n-type PbSe.
Authors:
ORCiD logo [1] ;  [2] ; ORCiD logo [2] ; ORCiD logo [2] ;  [3] ; ORCiD logo [4] ; ORCiD logo [5] ;  [5] ; ORCiD logo [5] ; ORCiD logo [2] ; ORCiD logo [2] ; ORCiD logo [6] ; ORCiD logo [4]
  1. School of Materials Science and Engineering, Nanyang Technological University, Singapore, Department of Chemistry, Northwestern University
  2. Department of Materials Science and Engineering, Northwestern University, Evanston, USA
  3. Department of Chemistry, Northwestern University, Evanston, USA, Department of Materials Science and Engineering
  4. Department of Chemistry, Northwestern University, Evanston, USA
  5. Department of Physics, University of Michigan, Ann Arbor, USA
  6. School of Materials Science and Engineering, Nanyang Technological University, Singapore
Publication Date:
Grant/Contract Number:
SC0014520
Type:
Publisher's Accepted Manuscript
Journal Name:
Energy & Environmental Science
Additional Journal Information:
Journal Name: Energy & Environmental Science; Journal ID: ISSN 1754-5692
Publisher:
Royal Society of Chemistry (RSC)
Sponsoring Org:
USDOE
Country of Publication:
United Kingdom
Language:
English
OSTI Identifier:
1467542