高性能融合リング電子受容体-ペロフスキートハイブリッド
Mingyu Zhang1, Shuixing Dai1, Sreelakshmi Chandrabose2
1Department of Materials Science and Engineering, College of Engineering, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education , Peking University , Beijing 100871 , China.
Journal of the American Chemical Society
|October 26, 2018
まとめ
溶融環電子受容体 (FREA) -ペロブスキット混合体は,効率的で安定した有機-無機混合太陽電池を作るための簡単な方法を提供します. このアプローチはペロブスキート膜の質と電荷の移転を向上させ 太陽電池の性能を向上させます
科学分野:
- 材料科学
- 再生可能エネルギー
- 太陽光発電
背景:
- オーガニック・インオーガニック・ハイブリッド・太陽電池は 再生可能エネルギーとして有望です
- ペロブスキート材料は高効率ですが,安定性の課題に直面しています.
- 電子受容物質は電荷抽出において重要な役割を果たします.
研究 の 目的:
- 太陽電池における融合環電子受容体 (FREA) - ペロブスキットハイブリッドの使用を調査する.
- 有機と無機のハイブリッド太陽電池の効率と安定性を向上させる
- FREAがペロブスキート膜の特性と電荷のダイナミクスにおける役割を理解する.
主な方法:
- FREA-ペロフスキットハイブリッドフィルムの製造
- 膜の形状と結晶性の特徴 (粒子の大きさ,結晶性).
- 光物理的な測定 (時間分解光発光,一時的吸収) で,電荷の動態を研究する.
- 太陽電池の装置性能テスト (一時的な光電流と光電圧)
主要な成果:
- FREA-ペロブスキート混合フィルムは,原始のペロブスキートフィルムと比較して,より大きな粒度と結晶性を示した.
- FREAは,Pb原子と協調して,トラップ状態を被動化します.
- FREAは効率的な電子抽出と収集を容易にし,より速い電荷移転につながった.
- FREAベースの装置では,電荷再結合の減少が観察されました.
結論:
- FREA-ペロブスキートハイブリッドプラットフォームは,高効率で安定した有機-無機ハイブリッド太陽電池の簡単な製造を可能にします.
- FREAの組み込みはペロブスキート膜の質を高め,輸送特性を高めます.
- このアプローチにより,太陽電池の効率は21.7%で,制御装置 (19.6%) を上回りました.
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