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Showing 1–9 of 9 results
Advanced filters: Author: Sanwan Liu Clear advanced filters

  • Defective perovskite surfaces limit solar cell efficiency. Liu et al. introduce a small amount of a polar aprotic solvent into the defect passivation solution, enabling surface reconstruction of the perovskite layer and enhancing its overall quality.

    • Sanwan Liu
    • Tianyin Miao
    • Nam-Gyu Park
    Research
    Nature Energy
    Volume: 11, P: 109-120

  • It is generally more difficult to modify the buried interfaces compared to top interfaces in tin-lead perovskite subcells. Here, the authors employ a mercapto-functionalized mesoporous silica layer as a superstructure, realizing maximum efficiency of 29.6% for double-junction tandem solar cells.

    • Jianan Wang
    • Shuaifeng Hu
    • Wei Chen
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11

  • The interplay among hybrid self-assembled monolayers (SAMs) during deposition has not been well studied. Here, authors mix co-adsorbents with carbazole-based SAM material to improve the buried interface, achieving efficiency of 20.67% for wide-bandgap solar cells and 28.94% for all-perovskite tandem devices.

    • Chenyang Shi
    • Jianan Wang
    • Wei Chen
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11

  • The efficiency of all-perovskite tandem solar cells is impacted by the nonradiative recombination loss in Sn–Pb mixed narrow bandgap perovskite films. Here, the authors utilize a surface polishing agent with surface passivator to deliver films with a close-to-ideal stoichiometric ratio surface.

    • Yongyan Pan
    • Jianan Wang
    • Wei Chen
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • The long-term stability of perovskite solar cells remains a critical challenge for the commercialization of the technology. Here, the authors adopt a non-noble metal/metal oxide/polymer multiple-barrier to suppress device degradation, achieving long-term stability in encapsulated p-i-n devices.

    • Jing Zhou
    • Zonghao Liu
    • Wei Chen
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-11

  • Inverted perovskite solar cells (PSCs) with a p-i-n architecture are being actively researched due to their concurrent good stability and decent efficiency. In particular, the power conversion efficiency (PCE) of inverted PSCs has seen clear improvement in recent years and is now almost approaching that of n-i-p PSCs. Here, we systematically review recent progress in the development of high-efficiency inverted PSCs, and highlight the development of charge transport materials and the effects of defect passivation strategies on the performance of inverted PSCs, with the aim of providing constructive suggestions for the future development of inverted PSCs.

    • Sanwan Liu
    • Vasudevan P. Biju
    • Zonghao Liu
    ReviewsOpen Access
    NPG Asia Materials
    Volume: 15, P: 1-28