What is it about?
Devices stability is an critical issue for practical use of perovskite solar cells (PSCs). We reported for the first time highly efficient and stable PSCs based on perovskite/Ag-graphene compsoite as light absorber and Al2O3/graphene composite as eletron transport materials.
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Why is it important?
Long-term stability of the perovskite solar cells under operating conditions should be guranteed for commercialization. As-fabricated devices without encapsulation exhibited not only remarkable thermal- and photo-stability but also long-term stability with retaining 97-99 % of the initial values of photovoltaic parameters with sustaining ~ 93% of initial PCE over 300 days under ambient conditions.
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This page is a summary of: SrTiO
‐Graphene Electron Transport Layer for Highly Stable and Efficient Composites‐Based Perovskite Solar Cells with 20.6% Efficiency, Advanced Energy Materials, November 2019, Wiley, DOI: 10.1002/aenm.201903369.
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