ペロブスキート光伏の水と熱で活性化されたダイナミックパッシベーション
Wei-Ting Wang1, Philippe Holzhey2,3, Ning Zhou4
1Department of Systems Engineering, City University of Hong Kong, Kowloon, Hong Kong.
Nature
|June 24, 2024
まとめ
阻害された尿素/チオカルバマート結合のルイス酸塩物質 (HUBLA) を使用した新しい生きた受動化戦略は,ペロブスキート太陽電池を動的に治す. この方法は,デバイスの性能と安定性を向上させ, 25.1%の電力変換効率を達成します.
科学分野:
- 材料科学
- 再生可能エネルギー
- 固体化学
背景:
- ペロブスキート太陽電池 (PSC) は,性能と寿命に影響を与えるイオン欠陥の課題に直面しています.
- 先進的なPSCでは,製造過程でこれらの欠陥を制御することが不可欠です.
研究 の 目的:
- ペロブスキート太陽電池の新生被動化戦略を導入する.
- 装置の性能と長期の安定性を向上させるため
主な方法:
- 阻害された尿素/チオカルバマート結合のルイス酸塩物質 (HUBLA) の開発.
- 水と熱で活性化された ダイナミック・コヴァレンツ・ボンドを使って
- ペロブスキット光活性層の欠陥受動化のためのHUBLAの適用.
主要な成果:
- 製造された装置で高電力変換効率 (PCE) 25.1%を達成した.
- HUBLA装置は,窒素で85°Cで1500時間熟成した後に,初期PCEの94%を維持した.
- 器具は,85°Cと30%の相対湿度で1,000時間熟成した後に,初期PCEの88%を保持した.
結論:
- PSCのイオン欠陥を効果的に制御する.
- HUBLAは,安定した高性能ペロブスキート太陽電池の製造に有望なアプローチを提供します.
- この方法は,様々な環境条件下でペロブスキート装置の動作安定性を大幅に改善します.
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