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    Home > Biochemistry News > Biotechnology News > Chinese scholars have made progress in the field of organic solar cells

    Chinese scholars have made progress in the field of organic solar cells

    • Last Update: 2022-02-22
    • Source: Internet
    • Author: User
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    In recent years, solution-printable organic solar cells have shown great application prospects in portable energy, building photovoltaic integration, etc.
    Breaking through the limitations of crystalline silicon cells in application scenarios, it has become a disruptive photovoltaic technology
    .


    At present, the efficiency (PCE) of small-area organic solar cells prepared in the laboratory has exceeded 18%


    In response to the above problems, the research team developed a unique active layer guest-assisted assembly strategy, which achieved the preparation of high-quality active layers by using environmentally friendly high-boiling solvents and printing methods; The components are effectively regulated in terms of compatibility, solubility, macro- and micro-scale assembly behavior, etc.
    , avoiding post-treatment processes such as thermal annealing, and simplifying the device fabrication process
    .


    Finally, the world-leading efficiency of small-area single-junction (PCE=17.


    This work is application-oriented and solves multiple bottleneck problems in the preparation of large-area modules of solution-printable organic solar cells, which will accelerate the industrialization of organic solar cells


    Figure (a) Small-area organic solar cell efficiency certification report; (b) Large-area organic solar cell module physical map and performance curve; (c) In a nitrogen atmosphere, the decay curve (maximum power point) of an unpackaged device

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