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Compound semiconductors and their application

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  • Publication Date:
    April 28, 2015
  • Additional Information
    • Patent Number:
      9,017,581
    • Appl. No:
      13/617674
    • Application Filed:
      September 14, 2012
    • Abstract:
      Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxCo4Sb12-zSez, where 0
    • Inventors:
      Park, Cheol-Hee (Daejeon, KR); Kim, Tae-Hoon (Daejeon, KR); Park, Deok-Hie (Daejeon, KR); Ko, Kyung-Moon (Daejeon, KR)
    • Assignees:
      LG Chem, Ltd. (Seoul, KR)
    • Claim:
      1. A compound semiconductor, represented by Chemical Formula I below: In x Co 4 Sb 12-z Se z   Chemical Formula 1 where, in the Chemical Formula 1, 0
    • Claim:
      2. A preparation method of a compound semiconductor, comprising: forming a mixture containing In, Co and Sb as well as Se; and thermally treating the mixture, thereby preparing the compound semiconductor defined in claim 1 .
    • Claim:
      3. The preparation method of a compound semiconductor according to claim 2 , wherein the thermally treating step is performed at 400° C. to 800° C.
    • Claim:
      4. The preparation method of a compound semiconductor according to claim 2 , wherein the thermally treating step includes at least two thermal treatment stages.
    • Claim:
      5. A thermoelectric conversion device, which includes the compound semiconductor defined in claim 1 .
    • Claim:
      6. A solar cell, which includes the compound semiconductor defined in claim 1 .
    • Current U.S. Class:
      25251/914
    • Patent References Cited:
      7592535 September 2009 Kanatzidis et al.
      2002/0176815 November 2002 Fleurial et al.
      101478026 July 2009
      10-2006-0125789 December 2006
      10-2007-0015543 February 2007
      10-20090026665 March 2009
      10-2011-0016113 February 2011
      10-2011-0016115 February 2011



    • Other References:
      English text Derwent abstract: Acc-No. 2009-L65735 of Li et al. (CN 101478026 A), attached as a PDF, pp. 1-2. cited by examiner
      English text Google machine translation of Li et al. (CN 101478026 A), attached as a PDF, pp. 1-4. cited by examiner
      Wang et el., “Synthesis and thermoelectric properties of thermoelectric materials of the skutterudites In0.3 Co4 Sb12-x Sex”, Acta Phys. Sin. vol. 60, No. 2 (2011), 7 pages. cited by applicant
      International Search Report from PCT/KR2012/003737 issue on Oct. 8, 2012, 3 pages. cited by applicant
    • Assistant Examiner:
      Hammer, Katie L
    • Primary Examiner:
      Pyon, Harold
    • Attorney, Agent or Firm:
      Rothwell, Figg, Ernst & Manbeck, P.C.
    • Accession Number:
      edspgr.09017581