Solar cells articles within Nature

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  • Article
    | Open Access

    A synergistic dopant-additive combination strategy using methylammonium chloride as the dopant and a Lewis-basic ionic-liquid additive is shown to enable the fabrication of perovskite solar modules achieving record certified performance and long-term operational stability.

    • Bin Ding
    • , Yong Ding
    •  & Mohammad Khaja Nazeeruddin

  • Article |

    A study reports a combination of processing, optimization and low-damage deposition methods for the production of silicon heterojunction solar cells exhibiting flexibility and high performance.

    • Yang Li
    • , Xiaoning Ru
    •  & Zongping Shao

  • Article |

    The use of anion–π interactions during perovskite film formation is shown to give better quality perovskite layers with high phase purity, leading to improved photovoltaic devices with high power conversion efficiency.

    • Zijian Huang
    • , Yang Bai
    •  & Huanping Zhou

  • Article |

    An independently certified power conversion efficiency of 32.5% for perovskite/silicon tandem solar cells is achieved through improved charge transfer at the amorphous indium zinc oxide interconnecting layer and reduced optical losses at the front and rear electrodes.

    • Erkan Aydin
    • , Esma Ugur
    •  & Stefaan De Wolf

  • Article |

    The black phase of formamidinium lead iodide perovskite is used to make highly efficient solar cells, and a technique to improve its purity and stability by controlling crystal nucleation could make them even better.

    • Pengju Shi
    • , Yong Ding
    •  & Rui Wang

  • Perspective |

    An analysis of chemical processes to immobilize lead from perovskite solar cells is presented, highlighting the need for a standard lead-leakage test and mathematical model to reliably evaluate the potential environmental risk of perovskite optoelectronics.

    • Hui Zhang
    • , Jin-Wook Lee
    •  & Nam-Gyu Park

  • Article |

    A dimethylacridine-based molecular doping process is used to construct a well-matched p-perovskite/indium tin oxide contact, along with all-round passivation of grain boundaries, achieving a certified power conversion efficiency of 25.39%.

    • Qin Tan
    • , Zhaoning Li
    •  & Zhubing He

  • Article
    | Open Access

    Time- and angle-resolved photoemission spectroscopy is used to observe the primary step of singlet fission with orbital resolution indicating a charge-transfer mediated mechanism with a hybridization of states in the lowest bright singlet exciton.

    • Alexander Neef
    • , Samuel Beaulieu
    •  & Ralph Ernstorfer

  • Article |

    A self-assembled monolayer of (4-(7H-dibenzo[c,g]carbazol-7-yl)butyl)phosphonic acid is integrated in wide-bandgap perovskite solar cells, which enables a high power conversion efficiency and low open-circuit voltage deficiency, as well as efficient centimetre-scale all-perovskite tandem solar cells.

    • Rui He
    • , Wanhai Wang
    •  & Dewei Zhao

  • Article |

    In situ grazing-incidence wide-angle X-ray diffraction and scanning electron microscopy were used to evaluate the crystallization process and surface morphology of perovskite thin films coated with alkylammonium chlorides, which were used to fabricate high-efficiency perovskite solar cells.

    • Jaewang Park
    • , Jongbeom Kim
    •  & Sang Il Seok

  • Article |

    Because open-circuit voltage deficit is greater in wide-bandgap perovskite solar cells, the authors introduce diammonium molecules to modify perovskite surface states and achieve a more uniform spatial distribution of surface potential, enabling record voltage all-perovskite tandem solar cells.

    • Hao Chen
    • , Aidan Maxwell
    •  & Edward H. Sargent

  • Article |

    Using a stable and viscosity-tunable perovskite ink, a hybrid perovskite thin-film photovoltaic device can be deposited by the screen-printing method, which exhibits higher efficiency compared with previously investigated techniques.

    • Changshun Chen
    • , Jianxin Chen
    •  & Wei Huang

  • Article |

    Fabrication of a low-dimensional metal halide perovskite superlattice by chemical epitaxy is reported, with a criss-cross two-dimensional network parallel to the substrate, leading to efficient carrier transport in three dimensions.

    • Yusheng Lei
    • , Yuheng Li
    •  & Sheng Xu

  • Article |

    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

  • Article |

    Incorporation of the pseudo-halide anion formate during the fabrication of α-FAPbI3 perovskite films eliminates deleterious iodide vacancies, yielding solar cell devices with a certified power conversion efficiency of 25.21 per cent and long-term operational stability.

    • Jaeki Jeong
    • , Minjin Kim
    •  & Jin Young Kim

  • Article |

    An improved device design for perovskite-based photovoltaic cells enables a certified power conversion efficiency of 25.2 per cent, translating to 80.5 per cent of the thermodynamic limit for its bandgap, which approaches those achieved by silicon solar cells.

    • Jason J. Yoo
    • , Gabkyung Seo
    •  & Jangwon Seo

  • Article |

    Using lead-absorbing materials to coat the front and back of perovskite solar cells can prevent lead leaching from damaged devices, without affecting the device performance or long-term operation stability.

    • Xun Li
    • , Fei Zhang
    •  & Tao Xu

  • Article |

    A method of deposition of mixed-cation hybrid perovskite films as lattice-mismatched substrates for an α-FAPbI3 film is described, giving strains of up to 2.4 per cent while also stabilizing the metastable α-FAPbI3 phase for several hundred days.

    • Yimu Chen
    • , Yusheng Lei
    •  & Sheng Xu

  • Article |

    A carrier-resolved photo-Hall technique is developed to extract properties of both majority and minority carriers simultaneously and determine the critical parameters of semiconductor materials under light illumination.

    • Oki Gunawan
    • , Seong Ryul Pae
    •  & Byungha Shin

  • Letter |

    A silicon and tetracene solar cell employing singlet fission uses an eight-angstrom-thick hafnium oxynitride interlayer to promote efficient triplet transfer, increasing the efficiency of the cell.

    • Markus Einzinger
    • , Tony Wu
    •  & Marc A. Baldo

  • Letter |

    Thin-film solar cells were fabricated using layered two-dimensional perovskites with near-single-crystalline out-of-plane alignment, which facilitates efficient charge transport leading to greatly improved power conversion efficiency with technologically relevant stability to light exposure, humidity and heat stress.

    • Hsinhan Tsai
    • , Wanyi Nie
    •  & Aditya D. Mohite

  • Letter |

    Inorganic–organic lead halide perovskite could be efficient when used as the light-harvesting component of solar cells; here incorporation of methylammonium lead bromide into formamidinium lead iodide stabilizes the perovskite and improves the power conversion efficiency of the solar cell up to 17.9 per cent.

    • Nam Joong Jeon
    • , Jun Hong Noh
    •  & Sang Il Seok

  • Letter |

    MgCl2 is shown to be a cheap and non-toxic replacement for the costly and environmentally unfriendly salt CdCl2 that has long been used as the ‘activation’ step in the production of cadmium telluride solar cells.

    • J. D. Major
    • , R. E. Treharne
    •  & K. Durose

  • Letter |

    Most known ferroelectric photovoltaic materials have very wide electronic bandgaps (that is, they absorb only high-energy photons) but here a family of perovskite oxides is described that have tunable bandgaps, allowing their use across the whole visible-light spectrum.

    • Ilya Grinberg
    • , D. Vincent West
    •  & Andrew M. Rappe

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