Tellurium-Free Thermoelectric: The Anisotropic n-Type Semiconductor Bi2S3 Biswas, Kanishka ; Zhao, Li-Dong ; Kanatzidis, Mercouri G. Abstract Publication: Advanced Energy Materials Pub Date: June 2012 DOI: 10.1002/aenm.201100775 Bibcode: 2012AdEnM...2..634B