Wide-bandgap perovskite solar cells (PSCs) have been intensively investigated owing to their strong light absorption of short wavelengths and high open-circuit voltage. In this study, we improved the performance of wide-bandgap (1.74 eV) PSCs by incorporating a non-fullerene acceptor of Y6 into a Cs0.12MA0.0
Ultrafast and broadband photodetectors based on a ...
Degradation mechanisms of perovskite solar cells under vacuum and one atmosphere of nitrogen. ... High-bandwidth perovskite photonic sources on silicon. A Ren, H Wang, L Dai, J Xia, X Bai, E Butler-Caddle, JA Smith, H Lai, J Ye, ... Nature Photonics 17 (9), 798-805, 2023. 14: 2023:
Photoinduced capacitances of perovskite solar cells exhibit peculiarities such as an apparently high capacitance and an inductive feature, so‐called negative capacitance, which are not easily ...
Tailoring the composition of organic cations enables manipulating the recombination rates of perovskites. Optimized solution-processed perovskite emitters fabricated on silicon exhibit up to 42.6-MHz modulation bandwidth and 50-Mbps data rate. Light-emitting diodes (LEDs) are ubiquitous in modern society, with applications spanning …
Metal-based transparent conductive electrodes (TCEs) are attractive candidates for application in indium tin oxide (ITO)-free solar cells due to their excellent electrical conductivity and cost effectiveness. In perovskite solar cells (PSCs), metal-induced degradation with the perovskite layer leads to various detrimental effects, deteriorating …
Polycrystalline films of bulk halide perovskite have yielded excellent optoelectronic quality, leading to record solar cells that have exceeded 25% power-conversion efficiency and LEDs in the near ...
14 · Abstract Inverted perovskite solar cells (PSCs) have stood out in recent years for their great potential in offering low-temperature compatibility, long-term stability and tandem cell suitability. However, challenges persist, particularly concerning the use of nickel oxide nanoparticles (NiOx NPs) as the hole transport material, where issues such as low …
We start with an archetypal p–i–n-structured PSC (Fig. 1a) using a mixed-cation, triple-halide perovskite Cs 0.22 FA 0.78 Pb(I 0.85 Br 0.15) 3 with 3 mol% of MAPbCl 3 additive (FA refers to ...
14 · Reports suggest that the Japanese government is planning a trial use of perovskite solar cells in solar panels to be installed in Fukushima Prefecture by next March.Perovskite cells are lighter and more flexible than silicon-based types, making them suitable for use on building walls. The technology is also attracting attention in Japan …
One of the most exciting developments in photovoltaics over recent years has been the emergence of organic–inorganic lead halide perovskites as a promising new material for low-cost, high-efficiency photovoltaics. In record time, confirmed laboratory energy conversion efficiencies have increased from a few percent to over 22%. Although …
Nature Communications - The performance of wide bandgap perovskite solar cells is limited by the carrier recombination at their electron extraction interface. Here, the authors assemble binary...
Ultralow dark current in near-infrared perovskite ...
In this work, we achieved colorful (red, green, blue, RGB) perovskite solar cells (PSCs) with minimized PCE loss (<10%) and enhanced photostability by exploiting the optical properties of nonperiodic multi-nanolayer, …
2 · Perovskite solar cells hit record 25% efficiency with new passivation technique. The researchers demonstrated a concentration-independent passivation effect for PSCs in a rationally designed π ...
Next-generation applications for integrated perovskite solar ...
Wide bandgap perovskite solar cells (PSCs) have attracted significant attention because they can be applied to the top cells of tandem solar cells. However, high open-circuit voltage (V OC) deficit (>0.4 V) result from poor crystallization and high non …
High-bandwidth perovskite photonic sources on silicon ... Hegde, G. & Roy Mahapatra, D. Role of electrodes on perovskite solar cells performance: a review. ISSS J. Micro Smart Syst. 11, 61–79 ...
We demonstrate four- and two-terminal perovskite-perovskite tandem solar cells with ideally matched band gaps. We …
This correlation between the bandwidth and time constant is proved using measurements of time-resolved photoluminescence, transient photovoltage, and device resistance. ... Herein, Natalie A. Mica and coworkers report hybrid perovskite solar cells enabling 56 Mbps VLC with red laser light, together with a photovoltaic conversion efficiency ...
Introduction. Hybrid organic–inorganic metal halide perovskite materials possess excellent optoelectronic properties, including high absorption coefficient, long carrier diffusion length, and low trap density, leading to the certified power conversion efficiency (PCE) of perovskite solar cells (PSCs) to 25.7% [1–4].However, most reported high-efficiency …
Low-bandgap (Eg~1.25 eV) mixed tin-lead (Sn-Pb) perovskites are promising candidates for efficient solar cells and self-powered photodetectors; however, they suffer from huge amounts of defects due to the unintentional p-type self-doping. In this work, the synergistic effects of maltol and phenyl-C61-butyric acid methyl ester (PCBM) …
4 · The resulting perovskite-silicon tandem achieved an independently certified stabilized PCE of 33.89%, accompanied by an impressive fill factor (FF) of 83.0% and an open-circuit voltage (Voc) of ...
The wide bandwidth of the solar spectrum makes it challenging to harness in the solar cell devices. ... It was observed that the perovskite cells with a 5 nm Al 2 O 3 layer revealed a PCE of 16.2%, which is much higher …
Perovskite photodetectors have attracted much research and attention because of their outstanding photoelectric characteristics, such as good light harvesting capability, excellent carrier migration behavior, …
We propose a flexible white-light system for high-speed visible-light communication (VLC) applications, which consists of a semipolar blue InGaN/GaN single-quantum-well micro-light-emitting diode (LED) on a flexible substrate pumping green CsPbBr3 perovskite quantum-dot (PQD) paper in nanostructure form and red CdSe QD paper. The highest bandwidth …
study utilized an inorganic perovskite as a color-converter for a perovskite-silicon photoreceiver, which achieved impressive data transmission rates of 34 Mbps [18]. From these studies, the magnitude of the bandwidth for perovskite photodetectors has been attributed to several different mechanisms. While
This study investigates the impact of proton irradiation on perovskite devices fabricated fully through vacuum deposition. Exposure to irradiation induces changes in both electrical and optical...
Polycrystalline silicon tunnelling recombination layers for ...