AI Article Synopsis
- Transition metal complexes are a budget-friendly option for hole-transport materials in perovskite solar cells, but their performance has been initially low.
- By adjusting energy levels, researchers increased the power conversion efficiency of these solar cells from 2% to over 10%.
- The devices using an additive-free transition metal complex HTM also showed impressive photostability.
Article Abstract
Transition metal complexes offer cost-effective alternatives as hole-transport materials (HTMs) in perovskite solar cells. However, the devices suffer from low performance. We boost the power conversion efficiency of devices with transition metal complex HTMs from 2% to above 10% through energy level tuning. We further demonstrate the excellent photostability of the device based on the additive-free HTM.
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| http://dx.doi.org/10.1039/d1cc00060h | DOI Listing |
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