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Showing 1–8 of 8 results
Advanced filters: Author: Geunjin Kim Clear advanced filters

  • The fabrication of organic photovoltaic modules usually relies on patterning techniques which limit their efficiencies. Here, the authors propose a module structure that avoids the patterning steps, and use doctor-blade printing and slot-die coating to fabricate large-area modules reaching 7.5% efficiencies.

    • Soonil Hong
    • Hongkyu Kang
    • Kwanghee Lee
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-6

  • Building printable electronics demands flexible and transparent electrodes that can be fabricated on plastic substrates. Here, Kang et al. report a polymer-metal hybrid electrode that has a small bending radius of <1 mm, a sheet resistance of 10 Ω sq−1and a transparency in the visible range of >95%.

    • Hongkyu Kang
    • Suhyun Jung
    • Kwanghee Lee
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • The formation of a nano-crystalline pathway between the crystalline domains of conjugated polymers is crucial for their charge transport properties. Kwon et al. report a template-mediated crystallization approach at room temperature to improve charge mobility for printable electronics applications.

    • Sooncheol Kwon
    • Kilho Yu
    • Kwanghee Lee
    Research
    Nature Communications
    Volume: 5, P: 1-10

  • Efficient radiation is essential to reach thermodynamic limit of photovoltaic efficiency. Here, authors design thick quantum barriers to suppress interfacial quenching and boost photon recycling in perovskite cells, achieving high radiation and photovoltaic efficiencies and long device stability.

    • Kyung Mun Yeom
    • Changsoon Cho
    • Jun Hong Noh
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • CO2 and ultraviolet light are used to initiate the p-type doping of spiro-OMeTAD:LiTFSI films, which show enhanced efficiencies when used as hole-transporting layers in solar cells and have shorter fabrication times compared with interlayers doped using conventional methods.

    • Jaemin Kong
    • Yongwoo Shin
    • André D. Taylor
    Research
    Nature
    Volume: 594, P: 51-56

  • Efficiency and stability are two major concerns in polymer-based solar cell development. Here Kong et al.report that the lifetime of a bulk heterojunction polymer can be improved by removing its low-molecular-weight components, which leads to a substantially reduced burn-in loss under photo-aging conditions.

    • Jaemin Kong
    • Suhee Song
    • Kwanghee Lee
    Research
    Nature Communications
    Volume: 5, P: 1-8