Development of High Performance Bulk-Nano Thermoelectric Materials

• Project/Area Number: 21760519
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Physical properties of metals
• Research Institution: Osaka University
• Principal Investigator: KUROSAKI Ken Osaka University, 工学研究科, 准教授 (90304021)
• Project Period (FY): 2009 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000); Fiscal Year 2010: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000); Fiscal Year 2009: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
• Keywords: 半導体物性 / 熱電材料 / 熱電変換 / ナノ材料 / 熱電発電 / エネルギー / 金属物性

Research Abstract

In the present study, bulk nanostructured samples of Ga2Te3-related compounds were synthesized and the thermoelectric properties were examined. It was revealed that the in-plane type vacancies scattered phonons efficiently, leading to significant reduction of the thermal conductivity and enhancement of the thermoelectric figure of merit.

Research Products

• [Journal Article] Effects of Tl-filling into the voids and Rh substitution for Co on the thermoelectric properties of CoSb3 (2011)
  • Author(s): Adul Harnwunggmoung, Ken Kurosaki, Yuji Ohishi, Hiroaki Muta, Shinsuke Yamanaka
  • Journal Title: J.Alloys Compd. 509 Pages: 1084-1089
  • Peer Reviewed
• [Journal Article] Effects of Tl-filling into the voids and Rh substitution for Co on the thermoelectric properties of CoSb3 (2011)
  • Author(s): Adul Harnwunggmoung, Ken Kurosaki, Yuji Ohishi, Hiroaki Muta, Shinsuke Yamanaka
  • Journal Title: J.Alloys Compd. Volume: 509 Pages: 1084-1089
  • Peer Reviewed
• [Journal Article] High-temperature thermoelectric properties of thallium-filled skutterudites (2010)
  • Author(s): Adul Harnwunggmoung, Ken Kurosaki, Hiroaki Muta, Shinsuke Yamanaka
  • Journal Title: Appl.Phys.Lett. 96
  • Peer Reviewed
• [Journal Article] Effect of Rh substitution for Co on the thermoelectric properties of CoSb3 (2010)
  • Author(s): Adul Harnwunggmoung, Ken Kurosaki, Anek Charoenphakdee, Aikebaier Yusufu, Hiroaki Muta, Shinsuke Yamanaka
  • Journal Title: Mater.Trans. 51 Pages: 882-886
  • Peer Reviewed
• [Journal Article] Thermoelectric properties of gold telluride : AuTe2,J (2010)
  • Author(s): Anek Charoenphakdee, Ken Kurosaki, Adul Harnwunggmoung, Hiroaki Muta, Shinsuke Yamanaka
  • Journal Title: Alloys Compd. 496 Pages: 53-55
  • Peer Reviewed
• [Journal Article] Thermal expansion and melting temperature of the half-Heusler compounds : MNiSn (M=Ti, Zr, Hf) (2010)
  • Author(s): Do-young Jung, Ken Kurosaki, Chang-eun Kim, Hiroaki Muta, Shinsuke Yamanaka
  • Journal Title: J.Alloys Compd. 489 Pages: 328-331
  • Peer Reviewed
• [Journal Article] High-temperature thermoelectric properties of thallium-filled skutterudites (2010)
  • Author(s): l Harnwunggmoung, Ken Kurosaki, Hiroaki Muta, Shinsuke Yamanaka
  • Journal Title: Appl.Phys.Lett. Volume: 96
  • Peer Reviewed
• [Journal Article] Effect of Rh substitution for Co on the thermoelectric properties of CoSb3 (2010)
  • Author(s): Adul Harnwunggmoung, Ken Kurosaki, Anek Charoenphakdee, Aikebaier Yusufu, Hiroaki Muta, Shinsuke Yamanaka
  • Journal Title: Mater.Trans. Volume: 51 Pages: 882-886
  • Peer Reviewed
• [Journal Article] Thermoelectric properties of gold telluride : AuTe2 (2010)
  • Author(s): Anek Charoenphakdee, Ken Kurosaki, Adul Harnwunggmoung, Hiroaki Muta, Shinsuke Yamanaka
  • Journal Title: J.Alloys Compd. Volume: 496 Pages: 53-55
  • Peer Reviewed
• [Journal Article] Effect of periodicity of the two-dimensional vacancy planes on the thermal conductivity of bulk Ga2Te3, phys (2009)
  • Author(s): Chang-eun Kim, Ken Kurosaki, Manabu Ishimaru, Do-young Jung, Hiroaki Muta, Shinsuke Yamanaka
  • Journal Title: status solidi-R 3 Pages: 221-223
  • Peer Reviewed
• [Journal Article] Effect of periodicity of the two-dimensional vacancy planes on the the rmal conductivity of bulk Ga_2Te_3 (2009)
  • Author(s): Chang-eun Kim Ken Kurosaki, Manabu Ishimaru, Do-young Jung, Hiroaki Muta, Shinsuke Yamanaka
  • Journal Title: phys.status solidi-R 3 Pages: 221-223
  • Peer Reviewed
• [Presentation] タリウムフィルドスクッテルダイト化合物の熱電特性 (2010)
  • Author(s): 黒崎健
  • Organizer: 日本熱電学会
  • Place of Presentation: 東京大学
  • Year and Date: 2010-08-19
• [Presentation] 空孔分布制御による熱電材料の高性能化 (2010)
  • Author(s): 黒崎健
  • Organizer: 筑波大学第5回KEK連携研究会「熱電変換材料と新規機能物質」
  • Place of Presentation: 筑波大学
• [Presentation] Effect of vacancy distribution on the lattice thermal conductivity of Ga2Se3 (2010)
  • Author(s): Ken Kurosaki
  • Organizer: 3rd International Congress on Ceramics (ICC3),Nov.14-18
  • Place of Presentation: Osaka
• [Presentation] Ga2Se3の熱伝導率に及ぼす空孔分布状態の影響 (2010)
  • Author(s): 黒崎健
  • Organizer: 日本金属学会
  • Place of Presentation: 北海道大学
• [Presentation] Effect of valence state of Tl on the lattice thermal conductivities of thallium tellurides (2010)
  • Author(s): Ken Kurosaki
  • Organizer: 2010 MRS Spring Meeting
  • Place of Presentation: Moscone West and San Francisco Marriott
• [Presentation] Effect of vacancy distribution on the lattice thermal conductivity of Ga2Se3 (2010)
  • Author(s): Ken Kurosaki
  • Organizer: 3rd International Congress on Ceramics (ICC3)
  • Place of Presentation: Osaka, Japan
• [Presentation] Effect of valence state of T1 on the lattice thermal conductivities of thallium tellurides (2010)
  • Author(s): Ken Kurosaki
  • Organizer: 2010 MRS Spring Meeting
  • Place of Presentation: Moscone West and San Francisco Marriott
• [Presentation] タリウムフィルドスクッテルダイト化合物の熱電特性 (2010)
  • Author(s): 黒崎健
  • Organizer: 日本熱電学会第7回学術講演会
  • Place of Presentation: 東京大学本郷キャンパス
• [Presentation] Ga2Se3の熱伝導率に及ぼす空孔分布状態の影響 (2010)
  • Author(s): 黒崎健
  • Organizer: 日本金属学会「2010年秋期(第147回)大会」
  • Place of Presentation: 北海道大学
• [Presentation] 多様な空孔分布を有するGa_2Te_3関連物質の熱電特性 (2009)
  • Author(s): 黒崎健
  • Organizer: 粉体粉末冶金協会
  • Place of Presentation: 名古屋国際会議場
  • Year and Date: 2009-10-27
• [Presentation] 多様な空孔分布を有するGa_2Te_3関連物質の熱電特性 (2009)
  • Author(s): 黒崎健
  • Organizer: 粉体粉末冶金協会
  • Place of Presentation: 名古屋国際会議場、名古屋市
  • Year and Date: 2009-10-27
• [Presentation] Tl-Te二元系化合物の熱伝導率 (2009)
  • Author(s): 黒崎健
  • Organizer: 日本金属学会
  • Place of Presentation: 京都大学
  • Year and Date: 2009-09-17
• [Presentation] Tl-Te二元系化合物の熱伝導率 (2009)
  • Author(s): 黒崎健
  • Organizer: 日本金属学会
  • Place of Presentation: 京都大学、京都市
  • Year and Date: 2009-09-17
• [Presentation] Fe2VAlの熱電特性におよぼすVサイトのNb置換の影響 (2009)
  • Author(s): 黒崎健
  • Organizer: 日本熱電学会
  • Place of Presentation: 東北大学
  • Year and Date: 2009-08-10
• [Presentation] Fe_2VAlの熱電特性におよぼすVサイトのNb置換の影響 (2009)
  • Author(s): 黒崎健
  • Organizer: 日本熱電学会
  • Place of Presentation: 東北大学、仙台市
  • Year and Date: 2009-08-10