Highly Efficient Monolithic Perovskite/Perovskite/Silicon Triple-Junction Solar Cells.
Faming LiDan WuLe ShangRui XiaHengrui ZhangZhengxin HuangJue GongLin MaoHao ZhangYinqing SunTian YangXianggang SunZhiqiang FengMingzhen LiuPublished in: Advanced materials (Deerfield Beach, Fla.) (2024)
Wide-bandgap metal halide perovskites have demonstrated promise in multijunction photovoltaic (PV) cells. However, photoinduced phase segregation and the resultant low open-circuit voltage (V oc ) have greatly limited the PV performance of perovskite-based multijunction devices. Here, a alloying strategy is reported to achieve uniform distribution of triple cations and halides in wide-bandgap perovskites by doping Rb + and Cl - with small ionic radii, which effectively suppresses halide phase segregation while promoting the homogenization of surface potential. Based on this strategy, a V oc of 1.33 V is obtained from single-junction perovskite solar cells, and a V OC approaching 3.0 V and a power conversion efficiency of 25.0% (obtained from reverse scan direction, certified efficiency: 24.19%) on an 1.04 cm 2 photoactive area can be achieved in a perovskite/perovskite/c-Si triple-junction tandem cell, where the certification efficiency is by far the greatest performance of perovskite-based triple-junction tandem solar cells. This work overcomes the performance deadlock of perovskite-based triple-junction tandem cells by setting a materials-by-design paradigm.
Keyphrases
- solar cells
- highly efficient
- induced apoptosis
- cell cycle arrest
- computed tomography
- stem cells
- machine learning
- perovskite solar cells
- single cell
- magnetic resonance imaging
- oxidative stress
- room temperature
- mesenchymal stem cells
- climate change
- cell therapy
- mass spectrometry
- big data
- high resolution
- human health
- solid phase extraction
- molecularly imprinted
- simultaneous determination
- solid state