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@ARTICLE{Ge:836588,
      author       = {Ge, Zhen-Hua and Song, Dongsheng and Chong, Xiaoyu and
                      Zheng, Fengshan and Jin, Lei and Qian, Xin and Zheng, Lei
                      and Dunin-Borkowski, Rafal and Qin, Peng and Feng, Jing and
                      Zhao, Li-Dong},
      title        = {{B}oosting the {T}hermoelectric {P}erformance of
                      ({N}a,{K})-{C}odoped {P}olycrystalline {S}n{S}e by
                      {S}ynergistic {T}ailoring of the {B}and {S}tructure and
                      {A}tomic-{S}cale {D}efect {P}honon {S}cattering},
      journal      = {Journal of the American Chemical Society},
      volume       = {139},
      number       = {28},
      issn         = {1520-5126},
      address      = {Washington, DC},
      publisher    = {American Chemical Society},
      reportid     = {FZJ-2017-05663},
      pages        = {9714 - 9720},
      year         = {2017},
      abstract     = {We report the high thermoelectric performance of p-type
                      polycrystalline SnSe obtained by the synergistic tailoring
                      of band structures and atomic-scale defect phonon scattering
                      through (Na,K)-codoping. The energy offsets of multiple
                      valence bands in SnSe are decreased after Na doping and
                      further reduced by (Na,K)-codoping, resulting in an
                      enhancement in the Seebeck coefficient and an increase in
                      the power factor to 492 μW m–1 K–2. The lattice thermal
                      conductivity of polycrystalline SnSe is decreased by the
                      introduction of effective phonon scattering centers, such as
                      point defects and antiphase boundaries. The lattice thermal
                      conductivity of the material is reduced to values as low as
                      0.29 W m–1 K–1 at 773 K, whereas ZT is increased from
                      0.3 for $1\%$ Na-doped SnSe to 1.2 for $1\%$ (Na,K)-codoped
                      SnSe.},
      cin          = {ER-C-1 / PGI-5},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ER-C-1-20170209 / I:(DE-Juel1)PGI-5-20110106},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000406172900051},
      doi          = {10.1021/jacs.7b05339},
      url          = {https://juser.fz-juelich.de/record/836588},
}