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Showing 1–3 of 3 results
Advanced filters: Author: Enbing Zhang Clear advanced filters

  • The efficiency of perovskite/Cu(In,Ga)Se2 tandem solar cells is limited by halide segregation in the perovskite layer. Zhang et al. use 2-pyrrolidinone to slow the crystallization of halide intermediates, ensuring a homogeneous distribution and achieving a power conversion efficiency of 27.3%.

    • Shaochen Zhang
    • Enbing Bi
    • Jingjing Xue
    Research
    Nature Energy
    P: 1-11

  • A wax-aided immersion methodology is developed to yield graphene rolls with tunable chiral angles; these graphene rolls exhibit promising chiral electronic properties beyond those of other carbon allotropes.

    • Enbing Zhang
    • Shuaishuai Ding
    • Wenping Hu
    Research
    Nature Materials
    Volume: 24, P: 377-383

  • The partial replacement of the A-site by divalent methylenediammonium cations inhibits ion migration and photoinduced halide segregation in wide-bandgap perovskites. Single-junction devices achieve a certified power conversion efficiency of 22.71%, whereas perovskite/Cu(In,Ga)Se2 tandem devices exhibit an efficiency of 30.13% in a four-terminal architecture.

    • Liuwen Tian
    • Enbing Bi
    • Rui Wang
    Research
    Nature Photonics
    Volume: 19, P: 479-485