Are triple-cation perovskite solar cells suitable for indoor applications?
We systematically analyze triple-cation perovskite solar cells for indoor applications. A large number of devices with different bandgaps from 1.6 to 1.77 eV were fabricated, and their performance under 1-sun AM1.5 and indoor white light emitting diode (LED) light was compared.
What is a triple cation perovskite?
Triple cation (Cs x (MA 0.17 FA 0.83) 1-x Pb (I 0.83 Br 0.17) 3) perovskites have attracted extensive attention owing to their excellent stability and photovoltaic performance.
Are tricationic mixed halide perovskite solar cells viable?
It is reported that the tricationic mixed halide perovskite Cs x (FA y MA 1–y) 1–x Pb (I z Br 1–z) 3 (CsFAMA) possesses a stable crystal structure and outstanding bandgap tunability, rendering it one of the most competitive candidates for commercial perovskite solar cells (PSCs).
How does triple cation mixed halide perovskite affect photovoltaic performance?
In triple-cation mixed-halide perovskite, the chemically reactive components, such as MA + and I − at the perovskite surface, can easily volatilize and migrate through photo- and thermal effects. The surface trap states generate decreased photovoltaic performance degradation (23, 24).
Are perovskite solar cells a viable third-generation photovoltaic technology?
As a third-generation photovoltaic technology, perovskite solar cells (PSCs) are pivotal in this transformation, owing to their low manufacturing costs and high efficiency of over 26 % . The commercialization of the current generation of PSCs is hindered due to various degradation issues.
Can a holistic encapsulation method be used for perovskite solar cells?
Here, we present a holistic encapsulation method for perovskite solar cells to address both optical performance losses at the air-cell interface as well as intrinsic and extrinsic stability challenges. Our one-step method provides shielding to PSCs from oxygen and moisture-induced degradation as well as in situ patterning for light management.
Room-temperature synthesis of triple-cation green perovskite …
The development of multi-cation perovskite quantum dots (PQDs) is limited by the low availability of fitting A-site cations due to the unsuitable radii of a large gamut of amine cations. The impact of oversized or undersized cations on the perovskite structure is detrimental to the structural stabilization and electroluminescence efficiency of the PQDs.
Divalent cation replacement strategy stabilizes wide-bandgap …
3 · The partial replacement of the A-site by divalent methylenediammonium cations inhibits ion migration and photoinduced halide segregation in wide-bandgap perovskites. Single …
Grain boundary cracks patching and defect dual passivation with ...
Triple-cation perovskite solar cells exhibit better long-term stability as compared to FAPbI3 devices but also have more ions and vacancies defects in film. Herein, ammonium formate (NH4HCO2) is ...
Stress regulation via surface micro-etching and …
As a result, the target perovskite solar cells (PSCs) yield an obviously enhanced power conversion efficiency (PCE) of 25.54%, which is the highest reported PCE for triple-cation PSCs. Meanwhile, PSC modules with …
Potassium iodide reduces the stability of …
Saliba et al. explored a triple-cation mixed-halide perovskite composition (denoted throughout this paper as ''TC'') with the addition of rubidium (Rb +), which showed enhanced device …
Simulation and optimization of triple cation Perovskite solar cell ...
Triple cation (Cs x (MA 0.17 FA 0.83) 1-x Pb(I 0.83 Br 0.17) 3) perovskites have attracted extensive attention owing to their excellent stability and photovoltaic performance this work, an efficient perovskite solar cell with a structure of TiO 2 /Cs x (MA 0.17 FA 0.83) 1-x Pb(I 0.83 Br 0.17) 3 (CsFAMA)/CuSCN was proposed and optimized theoretically using the solar …
Excess PbI2 evolution for triple-cation based perovskite solar cells ...
The triple cation mixed perovskites (CsFAMA) are known as one of the most efficient candidates for perovskite solar cells (PSCs). It is found that the power conversion efficiency (PCE) of triple-cation based devices would increase with the test time extending, and the maximum efficiency is normally obtained after several days aging storage.
High‐Throughput Exploration of Triple‐Cation Perovskites via …
Computing effective tolerance factor of triple cation perovskites. a) Schematic of perovskite cubic unit cell with ABX 3 composition; b) 1D superlattice of ABX 3 with triple A-cations showcasing accumulated offset (Δ = |a 2 − a 1 | ); c) computed effective Goldschmidt tolerance factor for triple cation perovskites for 0.88 < t eff < 1.
Characterizing the Influence of Charge Extraction …
Here, we apply a set of state-of-the-art characterization methods to triple-cation perovskite samples, employing a range of different electron and hole transport layers.
Triple cation mixed-halide perovskites for tunable …
[64] Triple-cation perovskites are also colour-tunable across the visible range, as visible from PL spectra in Figure 2.31. [103] Halide engineering therefore allows colour tunability for light ...
Simulation and optimization of triple cation Perovskite solar cell ...
Compared to binary cation perovskites (CsFA/CsMA/MAFA), triple cation (CsFAMA) perovskite exhibits a longer photoluminescence lifetime due to reduced defect …
Novel Detection Scheme for Temporal and Spectral X-Ray …
Multimodal measurements at synchroton-based x-ray microscopes offer a way to assess spatial variations in performance, composition, and crystal structure of solar cells. In this work, the authors expand the capability with a setup that adds x-ray excited optical luminescence to unveil spatially resolved information about the electronic band structure and defect …
Triple Cation Perovskite Precursor Ink (for …
Cesium-Containing Triple Cation Perovskite Solar Cells: Improved Stability, Reproducibility And High Efficiency. M. Saliba et al. Energy Environ. Sci. 9 (2016) 1989–1997 DOI: …
Enhanced efficiency and stability of triple‐cation …
In summary, aiming at exploring alternative strategies of organic ligands-empowered perovskite passivation, we have demonstrated the beneficial roles of inorganic CsPbI x Br 3 − x QDs in enhancing the performance and stability of …
Triple‐Cation Mixed‐Halide Perovskite Single‐Crystal Thin‐Film …
Triple-cation mixed-halide (TCMH), i.e., (FAPbI 3) 1-x-y (MAPbBr 3) y (CsPbI 3) x, perovskite single-crystal thin-films (SCTFs) have emerged as candidates for high-performance photodetectors.However, high lattice strain, surface defects, and the non-ideal yellow phase such as δ-FAPbI 3 and δ-CsPbI 3, are impeding the realization of high-quality TCMH SCTFs.. …
Triple-cation perovskite solar cells for visible light communications ...
Using a triple-cation material and appropriate device design, a new record data rate for perovskite photodetectors of 56 Mbps and power conversion efficiencies above 20% under white LED illumination are achieved. With this device design, the −3 dB bandwidth is increased by minimizing the dominating time constant of the system.
Addressing the efficiency loss and degradation of triple cation ...
Here, we present a holistic encapsulation method for perovskite solar cells to address both optical performance losses at the air-cell interface as well as intrinsic and …
Ruddlesden Popper 2D perovskites as Li …
Recent studies 18,23 indicate that the lithium insertion into hybrid perovskites can be broken down into three main processes, which are summarised below. All subsequent potentials herein …
New encapsulation method boosts perovskite solar …
The cells were fabricated with a spin coater and based on a triple-cation mixed-halide perovskite known as FAMAC, following a protocol established in earlier research. "The cells were then ...
Enhanced Efficiency and Stability of Triple-Cation Perovskite …
It is reported that the tricationic mixed halide perovskite Cs x (FA y MA 1–y) 1–x Pb (I z Br 1–z) 3 (CsFAMA) possesses a stable crystal structure and outstanding bandgap …
Electric-field-induced aging dynamics of triple-cation lead iodide ...
An interesting observation is a strongly non-uniform distribution of MA +-cations in the pristine perovskite film, which points to the chemical inhomogeneity of the multication perovskite absorbers discussed previously [19]. The aged samples demonstrated almost complete loss of methylammonium cations from the device channel, which is consistent with the IR s-SNOM …
Enhanced efficiency and stability of triple‐cation …
Enhanced efficiency and stability of triple-cation perovskite solar cells with CsPbI x Br 3 ... The mixed-cation perovskite was deposited via a one-step spin-coating procedure and annealed at 100 °C for 30 min. 36 Twenty microliters of a spiro …
Comprehensive understanding of heat-induced degradation of triple ...
The triple-cation mixed halide perovskite Cs 0.05 (MA 0.17 FA 0.83) 0.95 Pb(I 0.83 Br 0.17) 3 emerges as one of the most promising candidates for photovoltaics due to superior optoelectronic properties, but the thermal stability is still a major challenge for the viability of perovskite solar cells towards commercialization. Herein, we firstly explore the thermal …
In-Depth Chemical and Optoelectronic Analysis of …
The investigation of chemical and optoelectronic properties of halide perovskite layers and associated interfaces is crucial to harness the full potential of perovskite solar cells. Depth-profiling photoemission spectroscopy …
Investigating the structure–function relationship in …
This study reports the first synthesis of novel Cs-containing triple cation perovskite nanocrystals with nominal stoichiometry Cs x (MA 0.17 FA 0.83) 1−x PbBr 3 (x = 0–0.15). The effect of Cs + cation incorporation is thoroughly …
Triple-halide wide–band gap perovskites …
Inspired by recent advances in achieving improved material quality with triple- or quadruple-cation perovskites (1, 6) and reports suggesting that Cl as an additive …
Ambient-Air Fabrication of Triple-Cation Mixed-Halide Perovskite …
Perovskite solar cells (PSCs) have garnered significant attention over the past two decades due to their efficiency comparable to that of silicon solar cell technology. However, several challenges remain, such as finding a suitable upscaling process to fabricate high-quality perovskite films. Additionally, strict requirements exist, such as controlling the atmosphere for …
Effect of the Precursor Chemistry on the …
Triple cation, mixed halide perovskite compositions have been reported to be more thermally stable, exhibit fewer phase impurities, and show higher power conversion efficiency and better reproducibility than single cation perovskites. …
Triple-cation perovskite solar cells for visible light …
Hybrid perovskite materials are widely researched due to their high absorptivity, inexpensive synthesis, and promise in photovoltaic devices. These materials are also of interest as highly sensitive photodetectors. In this study, their potential …
Fabrication of thin film for triple-cation perovskite via hot-bar ...
The triple-cation perovskite Cs 0.05 (MA 0.17 FA 0.83) 0.95 Pb(I 0.83 Br 0.17) 3 was deposited using the hot-bar-coating method. The effects of the substrate temperature and coating bar sweep speed on the film quality were investigated. Coating the precursor solution at a substrate temperature of 150 °C, reduced fabrication time by eliminating the post-annealing …
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