Short‐Term Stability of Perovskite Solar Cells Affected by In Situ Interface Modification

  title={Short‐Term Stability of Perovskite Solar Cells Affected by In Situ Interface Modification},
  author={Kai Sun and Yanyan Wang and Haoyuan Xu and Jing Zhang and Yuejin Zhu and Ziyang Hu},
  journal={Solar RRL},
8 Citations
Unintentional passivation of 4-tertbutyl pyridine for improved efficiency and decreased operational stability of perovskite solar cells
Defect-induced nonradiative recombination limits power conversion efficiency (PCE) of organic–inorganic lead halide perovskite solar cells (PSCs). Recently, molecular passivation methods using
Selective Defect Passivation and Topographical Control of 4‐Dimethylaminopyridine at Grain Boundary for Efficient and Stable Planar Perovskite Solar Cells
Recent progress in highly efficient perovskite solar cells (PSCs) has been made by virtue of interfacial engineering on 3D perovskite surfaces for their defect control, however, the structural
Spontaneous interface engineering for dopant-free poly(3-hexylthiophene) perovskite solar cells with efficiency over 24%
Halide perovskite solar cells (PSCs) have recently shown a leap forward in performance by reducing the recombination loss at the interface between the perovskite and hole-transporting layers through
Performance improvement of perovskite solar cells via spiro-OMeTAD pre-crystallization
Meticulous choice of hole transport materials (HTMs) is a crucial factor for carrier extraction and device stability in solar cells. 2,2′,7,7′-tetrakis-( N,N
Controlling the Morphology and Interface of the Perovskite Layer for Scalable High-Efficiency Solar Cells Fabricated Using Green Solvents and Blade Coating in an Ambient Environment
Low-cost and solution-processed perovskite solar cells have shown great potential for scaling-up mass production. In comparison with the spin coating process for fabricating devices with small areas,
Controlling Morphology and Interface of Perovskite Layer for Scalable High-Efficiency Solar Cell Fabricated by Using Green Solvents and Blade Coating in Ambient Environment.
The findings in this work resolve the issues of scalability and solvent toxicity thus the mass production of perovskite solar cells becomes feasible.
Elimination of Light-Soaking Effect in Hysteresis-Free Perovskite Solar Cells by Interfacial Modification
The hysteresis and light-soaking effect have been observed in organo–metal halide perovskite solar cells (PSCs) under operating conditions, which inhibit the precise evaluation of power output. The
Origination of Anomalous Current Fluctuation in Perovskite Solar Cells
Perovskite solar cells (PSCs) have been rapidly crowded into the emerging photovoltaics, exhibiting soaring efficiencies over 25%. There are unusual characteristics that have emerged in the


A fluorene-terminated hole-transporting material for highly efficient and stable perovskite solar cells
Perovskite solar cells (PSCs) require both high efficiency and good long-term stability if they are to be commercialized. It is crucial to finely optimize the energy level matching between the
4-tert-Butylpyridine Free Hole Transport Materials for Efficient Perovskite Solar Cells: A New Strategy to Enhance the Environmental and Thermal Stability
Organic semiconductors as hole transport materials (HTMs) often require additives, such as LiTFSI and tert-butylpyridine (TBP), in order to enhance their hole conductivities. However, the combination
Tailored interfaces of unencapsulated perovskite solar cells for >1,000 hour operational stability
Long-term device stability is the most pressing issue that impedes perovskite solar cell commercialization, given the achieved 22.7% efficiency. The perovskite absorber material itself has been
Systematic investigation of the impact of operation conditions on the degradation behaviour of perovskite solar cells
The effects of different environmental factors and electrical load on the ageing behaviour of perovskite solar cells are investigated and the perceived relevance of the different ways these are currently aged is commented on.
Control of the morphology of PbI2 films for efficient perovskite solar cells by strong Lewis base additives
A two-step method is widely used to fabricate highly efficient perovskite solar cells. In a typical two-step method, CH3NH3PbI3 perovskites are fabricated from PbI2 films through an intercalation
Air-Exposure Induced Dopant Redistribution and Energy Level Shifts in Spin-Coated Spiro-MeOTAD Films
Doping properties of 2,2′,7,7′-tetrakis(N,N-di-p-methoxyphenylamine)-9,9′-spirobifluorene (spiro-MeOTAD) hole transport layer are investigated by X-ray photoelectron spectroscopy, ultraviolet
Direct observation of dramatically enhanced hole formation in a perovskite-solar-cell material spiro-OMeTAD by Li-TFSI doping
Electron spin resonance (ESR) spectroscopy of 2,2′,7,7′-tetrakis-(N,N-di-p-methoxyphenylamine)9,9′-spirobifluorene (spiro-OMeTAD) thin films and perovskite (CH3NH3PbI3)/spiro-OMeTAD layered films are
Stable Large‐Area (10 × 10 cm2) Printable Mesoscopic Perovskite Module Exceeding 10% Efficiency
The commercial manufacturing of perovskite solar modules (PSM) suffers from stability concerns and scalability issues. We demonstrate a hole-conductor-free printable solar module embodiment, which
Perovskite solar cells with 18.21% efficiency and area over 1 cm 2 fabricated by heterojunction engineering
The performance of inverted perovskite solar cells has so far lagged behind that of their normal-structure counterparts. Wu et al. fabricate an inverted perovskite–fullerene solar cell with a graded