青岛科技大学  English 
高洪涛
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教师拼音名称:gaohongtao

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Distributed adaptive fault-tolerant control with prescribed performance for nonlinear multiagent systems

关键字:FASNI(3) CRYSTALS; EFFICIENT; STABILITY; IMPROVES; GROWTH

摘要:High-performance perovskite solar cells have demonstrated commercial viability, but still face the risk of contamination from lead leakage and long-term stability problems caused by defects. Here, an organic small molecule (octafluoro-1,6-hexanediol diacrylate) is introduced into the perovskite film to form a polymer through in situ thermal crosslinking, of which the carbonyl group anchors the uncoordinated Pb2+ of perovskite and reduces the leakage of lead, along with the -CF2- hydrophobic group protecting the Pb2+ from water invasion. Additionally, the polymer passivates varieties of Pb-related and I-related defects through coordination and hydrogen bonding interactions, regulating the crystallization of perovskite film with reduced trap density, releasing lattice strain, and promoting carrier transport and extraction. The optimal efficiencies of polymer-incorporated devices are 24.76 % (0.09 cm(2)) and 20.66 % (14 cm(2)). More importantly, the storage stability, thermal stability, and operational stability have been significantly improved.

卷号:62

期号:31

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