Synthesis of novel acceptor type graphite intercalation compounds and its superconductivity

2013 Fiscal Year Final Research Report

• Project/Area Number: 23655203
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Inorganic industrial materials
• Research Institution: Oita University
• Principal Investigator: TOYODA Masahiro 大分大学, 工学部, 教授 (00290742)
• Project Period (FY): 2011 – 2013
• Keywords: 黒鉛層間化合物 / アクセプタータイプ / イオウ

Research Abstract

Synthesis of S-GIC (graphite intercalation compounds) was carried out by soaking the graphite sheet (GS) and Exfoliated graphite sheets (ExGS) which is the host materials in the sulfur which melted at 350 oC for 24 h under air atmosphere. New peaks which did not correspond to host materials or the sulfur which is intercalated was able to confirm it on XRD pattern. Formation of the intercalation compounds were indicated. However, in the case of synthesis of S-GIC under inert atmosphere such as N2, it was not carried out in the same conditions. The confirmation of new peaks recognized in the synthesis in the air was not possible in it.

Research Products

• [Journal Article] Synthesis of novel acceptor-type graphite intercalation compounds using an electrochemical process (2012)
  • Author(s): M. Toyoda, Y. Ohuchi, T .Wada, T. Kinumoto, T. Tsumura
  • Journal Title: Journal of Physics and Chemistry of Solids Volume: 73 Pages: 1414-1416
• [Journal Article] ピッチ系炭素繊維のインターカレーション挙動の検討 (2012)
  • Author(s): 大内康裕, 竹中麻美, 衣本太郎, 津村朋樹, 豊田昌宏
  • Journal Title: 炭素 Volume: 255 Pages: 237-244
• [Presentation] Ca-黒鉛層間化合物の Ca の層間中での電子状態について (2013)
  • Author(s): 曽我部健太, 衣本太郎, 津村朋樹, 豊田昌宏
  • Organizer: 第40回炭素材料学会年会
  • Place of Presentation: 京都教育文化センター
  • Year and Date: 20131203-05
• [Presentation] Discussion of intercalation behavior for the pitch-based carbon fibers (2013)
  • Author(s): Y. Ouchi, S. Ueda, A. Takenaka, T. Kinumoto, T. Tsumura, M. Toyoda
  • Organizer: 17th International Symposium on Intercalation Compounds
  • Place of Presentation: Sendai
  • Year and Date: 20130512-16
• [Presentation] 炭素繊維のディインターカレーション挙動の検討 (2013)
  • Author(s): 衛藤恭平, 大内康裕, 衣本太郎, 津村朋樹, 豊田昌宏
  • Organizer: 日本化学会第94春季年会
  • Place of Presentation: 名古屋大 東山キャンパス
  • Year and Date: 20130327-30
• [Presentation] ピッチ系炭素繊維へのインターカレーションに関する研究 (2013)
  • Author(s): 上田悟司, 大内康裕, 衣本太郎, 津村朋樹, 豊田昌宏
  • Organizer: 日本学術振興会炭素材料第117委員会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2013-09-13
• [Presentation] 電気化学的手法を用いた黒鉛材料へのドナータイプのインターカレーション挙動 (2013)
  • Author(s): 中村昴, 衣本太郎, 津村朋樹, 豊田昌宏
  • Organizer: 第50回化学関連支部合同九州大会
  • Place of Presentation: AIM ビル
  • Year and Date: 2013-07-06
• [Remarks] 本研究は, 挑戦的萌芽研究(H23~H25)の助成にて行われた.ここに謝意を表します(謝辞)
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• [Remarks] H.Okazaki, R.Yoshida, K.Iwai, K.Noami, T.Muro, T.Nakamura, T.Wakita, Y.Mraoka, M.Hirai, F.Tomioka, Y.Takano, A.Takenaka, M.Toyoda, T.Ogushi, T.Tokoya, PHYSICA C 4 6 9 (2009) 1041-1044.(参考文献)
• [Remarks]
  • URL: http://www.appc.oita-u.ac.jp/inorgchem/toyoda/top.html