アンビポラーペンタセンのフィールド効果トランジスタとインバーター
1Bell Laboratories, Lucent Technologies, Mountain Avenue, Murray Hill, NJ 07974, USA.
Science (New York, N.Y.)
|February 11, 2000
まとめ
ペンタセンの単結晶を用いた有機フィールド効果トランジスタは,アンビポラー操作と高キャリア移動性を示し,先進的なプラスチック電子と補完的な論理回路の道を開く.
科学分野:
- 材料科学 材料科学とは
- オーガニック・エレクトロニクス
- 半導体物理学 半導体物理学
背景:
- オーガニック・フィールド・エフェクト・トランジスタ (OFET) は,柔軟な電子機器にとって極めて重要です.
- OFETで高キャリアモビリティを達成することは,デバイスの性能にとって不可欠です.
- 補完的な論理回路には,p型とn型の半導体の両方の動作が必要です.
研究 の 目的:
- ペンタセン単結晶OFETの性能をアモルフォスアルミニウム酸化物ゲート断熱器で調査する.
- これらのデバイスの双極操作とキャリアモビリティを特徴付けるために.
- これらのOFETを使用した補完的な論理回路の製造の可能性を評価する.
主な方法:
- ペンタセンの単結晶と無形アルミニウム酸化物ゲート断熱剤を用いたOFETの製造.
- 室温および低温での装置の電気的特徴.
- フィールド効果測定を用いたキャリア移動性の分析.
- コンプリメンタリー・インバーター回路におけるデバイス性能の評価.
主要な成果:
- OFETは双極操作を示し,穴と電子の輸送の両方をサポートしました.
- フィールドエフェクトの移動性は低温で著しく増加し,穴の場合は1200cm2/Vs,電子の場合は320cm2/Vsに達した.
- 航空母艦の移動性は,温度下降とともに力法則に依存した.
- 互補のインバーター回路の準備が成功しました.
結論:
- ペンタセンの単結晶OFETとアモルフォスアルミニウム酸化物は,優れたアンビポーラ特性と高いキャリアモビリティを示しています.
- 観測された高移動性と実証された補完的な論理回路は,プラスチック電子機器の重要な進歩を表しています.
- これらの発見は,高性能な有機互補論理回路の簡素化された製造経路を示唆しています.
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