狭帯間隔結合染色体には,分子長が伸びている
Xiaofeng Liu1, Yanming Sun, Louis A Perez
1Center for Polymers and Organic Solids, University of California, Santa Barbara, California 93106, USA.
Journal of the American Chemical Society
|December 11, 2012
まとめ
オーガニック・オプトエレクトロニクスにおける分子長さの拡張は,200°Cを超える熱安定性を高めます. これにより,効率的な大量ヘテロジュンクション太陽電池が,添加物なしで6%以上の電力変換効率を実現できます.
科学分野:
- マテリアルサイエンス 材料科学
- オーガニック・エレクトロニクス
- フォトボルトイカは,太陽光発電です.
背景:
- オーガニック光電子機器には,高い熱安定性と効率的な電荷輸送を有する材料が必要です.
- ドナー-受容体染色体は,有機電子機器の重要な構成要素であり,その性能に影響を与えます.
研究 の 目的:
- オーガニック・オプトエレクトロニクスに関連した性質に対するドナー-受容体染色体における分子長さの影響を調査する.
- デバイスのパフォーマンスを向上させるために,新しい狭帯域ギャップシステムを開発する.
主な方法:
- 異なる分子長さの2つの新しい狭帯間ギャップドナー-受容体染色体システムの合成.
- フィールドエフェクトトランジスタ (FET) デバイスの製造と特徴付け.
- 大量ヘテロジャンクション (BHJ) 太陽電池の製造と特徴付け.
主要な成果:
- 高分子量システムでは,熱安定性が向上し,FETデバイスでは200°Cを超えました.
- これらの材料とPC ((61) BMで製造されたBHJの太陽電池は,6%以上の電力変換効率を達成しました.
- 様々な混合物の組成において,溶媒添加物や沈殿後の冷却なしで,高い効率が維持されました.
結論:
- ドナー-受容体染色体の分子長さを延長することは,有機電子機器の熱安定性を改善するための実行可能な戦略です.
- 開発された狭帯域ギャップシステムは,効率的で安定した有機太陽電池の有望性を示しています.
- デバイスの性能は堅実で,処理条件に対する感度が低い.
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