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Ion Migration and Accumulation in Halide Perovskite Solar Cells
In this review, ion migration and accumulation behaviors in perovskite solar cells are reviewed, which follow a logic of "freely-moving" ion formation, ion migration paths, ion
Modelling charge transport in perovskite solar cells: Potential …
From Maxwell-Stefan diffusion and general electrostatics, we derive a drift-diffusion model for charge transport in perovskite solar cells (PSCs) where any ion in …
Effects of ion migration and improvement strategies …
Introduction Solar energy is so abundant, which makes it one of the best clean energy sources. Conversion of solar energy to electricity is likely to be the most cost-effective energy conversion …
Mitigating ion migration in perovskite solar cells
Intrinsic ion migration in the metal halide perovskite (MHP) absorber layer and its interfaces seriously limits the device stability of perovskite solar cells (PSCs). Despite considerable efforts to mitigate the ion migration issue, it remains a formidable challenge in the commercialization of PSCs. Here, we provide a short review of the …
Impacts of carrier trapping and ion migration on charge transport of perovskite solar cells with TiO x electron transport …
The ion migration in perovskite materials has been extensively studied by researchers, but the charge dynamic distribution caused by ion migration and carrier trapping is partly unclear. To investigate the impacts of ion migration and defect induced carrier trapping on the carrier transport and the carrier collecti
Ion-induced field screening as a dominant factor in perovskite …
The presence of mobile ions in metal halide perovskites has been shown to adversely affect the intrinsic stability of perovskite solar cells (PSCs).
Efficient and stable perovskite solar cells with regulated depletion …
Irreversible ion migration from the perovskite layer to the charge transport layer and metal electrodes causes irreversible efficiency loss in perovskite solar cells. …
The physics of ion migration in perovskite solar cells: Insights into …
This paper uses familiar knowledge in solar cell device physics to explain the ion migration mechanism and its impacts under conditions of interests. It is shown …
Ion Transport in Nanofluidic Devices for Energy …
Energy conversion and storage systems in biology work via ion transport and energy storage molecules, which provides a unique perspective for designing ion-transport-based energy conversion …
Modelling charge transport in perovskite solar cells: Potential-based and limiting ion …
In recent years, perovskite solar cells (PSCs) have become one of the fastest growing technology within photovoltaics [1], [2].Typically, in a PSC a perovskite layer is sandwiched between an electron transport layer (ETL) and a hole transport layer (HTL), see Figure 1 a.a.
Perovskite Solar Cell Performance Boosted by Regulating the Ion Migration and Charge Transport …
Engineering the buried interfaces of perovskite solar cells (PSCs) is crucial for optimizing the device performance. We herein report a novel strategy by modifying the ETL–FTO interface with MgO, as well as the interface between the perovskite layer (PVKL) and the SnO2 electron transfer layer (ETL) with formamidine bromide (FABr). The …
Ionic Transport in Perovskite Semiconductors
Thus, a deep understanding of the ionic transport in perovskite material is of vital importance in fabricating long-term stable perovskite solar cells (PSCs). In this chapter, we systemically introduce the theoretical basis and the relevant characterization methods of ionic transport.
IonMonger: a free and fast planar perovskite solar cell simulator with coupled ion vacancy and charge carrier dynamics
Details of an open-source planar perovskite solar cell simulator, which includes ion vacancy migration within the perovskite layer coupled to charge carrier transport throughout the perovskite and adjoining transport layers in one dimension, are presented. The model equations are discretised in space using a finite element scheme, …
Ionic transport in hybrid lead iodide perovskite solar cells
Solar cells based on organic–inorganic halide perovskites have recently shown rapidly rising power conversion efficiencies, but exhibit unusual behaviour such as …
Effects of ion migration and improvement strategies …
Effects of ion migration and improvement strategies for the operational stability of perovskite solar cells Yao Zhao a, WenKe Zhou ab, Zhengyuan Han a, Dapeng Yu ac and Qing Zhao * ade a State …
Comprehensive study of anomalous hysteresis behavior in perovskite-based solar cells …
Comprehensive study of anomalous hysteresis behavior in ...
Persistent Ion Accumulation at Interfaces Improves the Performance of Perovskite Solar Cells …
The mixed ionic–electronic nature of lead halide perovskites makes their performance in solar cells complex in nature. Ion migration is often associated with negative impacts─such as hysteresis or device degradation─leading to significant efforts to suppress ionic movement in perovskite solar cells. In this work, we demonstrate that ion …
Impact of Mobile Ions on Transient Capacitance Measurements of Perovskite Solar Cells …
PRX ENERGY 2, 043011 (2023) Impact of Mobile Ions on Transient Capacitance Measurements of Perovskite Solar Cells Moritz C. Schmidt,1 Emilio Gutierrez-Partida,2 Martin Stolterfoht,2,3 and Bruno Ehrler1,* 1AMOLF, Science Park 104, 1098 XG, Amsterdam, The Netherlands ...
Review article Ion migration in halide perovskite solar cells: …
Ion migration in halide perovskite solar cells
More is different: mobile ions improve the design tolerances of perovskite solar cells …
Thus, mobile ions can reduce the sensitivity of photovoltage to energetic misalignments at perovskite/transport layer interfaces, benefitting overall efficiency. Building on these insights, we show how photovoltaic design …
Mitigating ion migration in perovskite solar cells
Perovskite solar cells (PSCs) show great promise as a revolutionary photovoltaic (PV) technology. However, the instability issue caused by intrinsic ion migration is a major hurdle in the commercialization of this new PV technology. Recent progress in understanding ...
Factors influencing halide vacancy transport in perovskite solar cells
Ion migration in inorganic and hybrid organic-inorganic metal halide perovskites causes unusual phenomena in photovoltaic devices, such as current-voltage hysteresis and photoinduced phase transformations. It is now well established that metal halide perovskites are mixed ionic-electronic conductors and halide ions are mobile at …
Universal Current Losses in Perovskite Solar Cells Due to Mobile Ions …
a) Comparison of short-circuit current losses in world-record Si, GaAs, Pb-, and PbSn-based perovskites (stars) taken from ref. [13, 48, 49], as compared to the perovskite cells studied in this work (filled circles).The graph was inspired by ref. [] Generally, PbSn-perovskites have larger current losses compared to Pb-perovskites, …
Perovskite Solar Cells Partial Cation Substitution Reduces Iodide Ion Transport …
Supplementary Information Partial Cation Substitution ...
Ion Transport, Defect Chemistry, and the Device …
Integrating systematic measurements of ion transport in solar cells research will guide future exploration of the parameters …
Perovskite Solar Cell Performance Boosted by Regulating the Ion …
Abstract. Engineering the buried interfaces of perovskite solar cells (PSCs) is crucial for optimizing the device performance. We herein report a novel strategy …