This article introduces a novel approach to enhancing the performance and stability of inverted perovskite solar cells (PVSCs) using molecularly customizable cyclic titanium oxide clusters (CTOCs). These clusters form a robust interlayer between perovskite and C60 electron-transporting layers, addressing challenges like recombination losses and ion migration. Tailored with fluoroaryl groups, CTOCs effectively passivate surface defects, improve electron mobility, and create a strong interfacial connection. Devices integrated with these clusters achieve a power conversion efficiency of 25.6% and demonstrate remarkable stability, retaining 98% efficiency after 1,500 hours of continuous operation. The findings showcase CTOCs’ potential for advancing perovskite photovoltaics through improved durability and high efficiency.
For more details, please continue reading the full article under the following link:
https://www.science.org/doi/10.1126/sciadv.adq1150
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