Metal halide perovskite single crystals (MHP SCs) have attracted extensive attention due to their superior properties, such as higher carrier mobility, longer carrier diffusion length, and better stability than their polycrystalline counterparts. In particular, the suppression of ion migration and Auger recombination endows MHP SCs with excellent electroluminescence …
Highly electroluminescent and stable inorganic CsPbI2Br perovskite solar cell enabled by balanced charge transfer December 2020 Chemical Engineering Journal 417(6364):128053
Addition of Adamantylammonium Iodide to Hole Transport Layers Enables Highly Efficient and Electroluminescent Perovskite Solar Cells. October 2018; Energy & Environmental Science 11(11) DOI:10. ...
DOI: 10.1016/j.cej.2020.128053 Corpus ID: 230575231; Highly electroluminescent and stable inorganic CsPbI2Br perovskite solar cell enabled by balanced charge transfer @article{Duan2020HighlyEA, title={Highly electroluminescent and stable inorganic CsPbI2Br perovskite solar cell enabled by balanced charge transfer}, author={Chenghao Duan and …
Recently perovskite solar cells (PSCs), as photoelectric conversion devices, exhibit excellent power conversion efficiency (PCE) and low-processing cost, and have become one of the most promising ...
The CsPbI 3 perovskite QD solar cell delivers a champion efficiency of 15.21% with improved open circuit voltage and high fill factor. Concurrently functioning as a red LED, the CsPbI 3 perovskite QD solar cell outputs electric power to …
Request PDF | Perovskite Bifunctional Diode with High Photovoltaic and Electroluminescent Performance by Holistic Defect Passivation | Integration of photovoltaic (PV) and electroluminescent (EL ...
Self-assembled perovskite nanoplatelets emit linearly polarized light, enabling the realization of red perovskite light-emitting diodes with a 74.4% degree of linear polarization.
An efficient and flexible perovskite solar cell based on formamidinium lead trihalide (FAPbI3) with simplified configuration is reported, which suggests its compatibility for scale-up fabrication, which paves the way for commercialization of perovSKite photovoltaic technology. Expand
A research is summarized on the synergistic effect of lanthanide ions and perovskite matrix in the near-infrared region, and discuss from the perspective of fabrication of lanthanide-based electroluminescent devices using perovskite …
Imaging and blinking of perovskite NCs in PL and EL. Electroluminescence of CsPbBr 3 NCs was studied in a device of the structure ITO/PEDOT:PSS/PVK: CsPbBr 3:PBD/TPBi/LiF/Al, as shown in Fig. 1a ...
Learn how spectroscopic techniques can directly visualize the dynamics of electroluminescence in light-emitting electrochemical cells.
Two organic-inorganic halide CH 3 NH 3 PbI 3 perovskite solar cells prepared in the same experimental batch but having different power conversion efficiencies −18.46% and 17.15%—were investigated based on the …
4 Perovskite Solar Cells Mixed-metal hybrid perovskites, AB (1-n) M n X 3 Due to ecotoxicity associated to lead (Pb) metal, several efforts have been focused to reduce or completely remove the Pb2+ cation. Partially replacing lead (B) with another metal (M) gives a metal cation hybrid-perovskite AB (1-n) M n X 3. One of the mostly studied alternative to lead is tin(II) cation …
Nowadays, the soar of photovoltaic performance of perovskite solar cells has set off a fever in the study of metal halide perovskite materials. The excellent optoelectronic properties and defect tolerance feature allow metal halide perovskite to be employed in a wide variety of applications. This article provides a holistic review over the current progress and …
Halide perovskite light-emitting electrochemical cells are a novel type of the perovskite optoelectronic devices that differs from the perovskite light-emitting diodes by a simple monolayered architecture. Here, we develop a perovskite electrochemical cell both for light emission and detection, where the active layer consists of a composite material made of halide …
Metal halide perovskite solar cells (PSCs) show great promise in the photovoltaic field due to their tunable bandgap, high extinction coefficient, small exciton binding energy, long carrier diffusion length, and high carrier mobility. 1, 2 Nowadays, the reported PSCs with high efficiency are mainly realized with the organic-inorganic hybrid perovskites and the …
In this review, we provide a comprehensive overview of the latest developments in perovskite-based flexible EL devices, covering both direct-current (DC) and alternating …
The CsPbI 3 perovskite QD solar cell delivers a champion efficiency of 15.21% with improved open circuit voltage and high fill factor. Concurrently functioning as a red LED, …
High performance of both photovoltaic and electroluminescent devices requires low nonradiative recombination losses. In perovskites, such loses strongly depend on the carrier traps related to the mobile ions and vacancies, causing I- V hysteresis of solar cells and influencing the performance of other optoelectronic devices, such as photodetectors and LEDs.
Abstract Perovskite-organic tandem solar cells (TSCs) have emerged as a groundbreaking technology in the realm of photovoltaics, showcasing remarkable enhancements in efficiency and significant pot... Skip to Article Content; Skip to Article Information; Search within. Search term. Advanced Search Citation Search. Search term. Advanced Search Citation …
We report on a new metal halide perovskite photovoltaic cell that exhibits both very high solar-to-electric power-conversion efficiency and intense electroluminescence. We produce the perovskite films in a single step from …
Addition of adamantylammonium iodide to hole transport layers enables highly efficient and electroluminescent perovskite solar cells
All-inorganic α-CsPbI3 perovskite quantum dots (QDs) are attracting great interest as solar cell absorbers due to their appealing light harvesting properties and enhanced stability due to the absence of volatile organic constituents. Moreover, ex situ synthesized QDs significantly reduce the variability of the perovskite layer deposition process. However, the …
Fast camera-based luminescence-imaging measurements on perovskite solar cells are presented. The fundamental correlation between the luminescence intensity and the open circuit voltage predicted by the …
Organic molecules, quantum dots (QDs), perovskite materials, and many other luminescent materials continue to appear and show advantages in electroluminescent devices, such as organic light ...
Perovskite zinc sulphide phosphors in perovskite-based alternating-current electroluminescent devices are employed as skin-wearable devices with high stretchability, monochromaticity and power ...
CsPbI3 perovskite quantum dots (CPQDs) have received great attention due to their potential in large-scale applications. Increasing the efficiency of CPQDs solar cells is an important issue that ...
Here, we use single-particle spectroscopy to compare electroluminescence and photoluminescence on the level of individual NCs …
We present an approach to evaluate perovskite solar cell reliability and metastability during 100-hour stress/rest cycling under electrical bias with in-situ electroluminescence (EL) imaging. We show an example of time-evolving EL and associated voltage transients under constant current bias for triple-cation mixed-halide devices with …
Through extensive efforts to optimize perovskite crystals and reduce trap densities, electroluminescence (EL) quantum efficiencies (ELQEs) of >10 % are recently …
The electroluminescent perovskite fiber device shown here can motivate researchers to investigate and take the concept a step further. As an example, perovskite photovoltaics started with only 3.8% PCE, which was low for state-of-the-art solar cells, but they quickly developed to over 20% in less than 10 years. Perovskite fiber LEDs are in ...
Current density as a function of voltage of representative perovskite solar cells used in this study. The measurements were carried out at voltage sweep rate of 17 mV/s under illumination ...
The assembled HTM-free carbon-based all-inorganic CsPbI 2 Br perovskite solar cells present a champion PCE of 14.63% (V OC = 1.267 V, J SC = 14.31 mA/cm 2, fill factor (FF) = 0.807), which is among the best performances in …
To realize highly efficient perovskite QLEDs, the optical properties and colloidal stability of perovskite nanocrystals should be taken into consideration simultaneously. The enhancement of device performance was possible by improving crystal formation energy and choosing proper ligands. On the one hand, increasing the crystal formation energy can strengthen the …
Metal-halide perovskite photovoltaic devices (PPVs) are emerging photovoltaic devices, which can challenge or complement Si-based technology. While state-of-the-art single-junction PPVs are ...
The hole-transporting layer (HTL), a pivotal component of perovskite solar cells (PSCs), can significantly improve device performance. The unique light-harvesting and charge-transport capabilities of porphyrin derivatives have facilitated their adoption in solar cell applications, showcasing their potential Journal of Materials Chemistry C HOT Papers
Here, we report for the first time on a perovskite solar cell (PSC) using a new PbI 2-enriched composition that exhibits both very high solar-to-electric PCE and intense electroluminescence.We produce the mixed-cation mixed-halide perovskite films in a single step from a solution of FAI, PbI 2, MABr, and PbBr 2 in a mixed solvent containing dimethyl …
Their application to perovskite solar cells includes a large amt. of fabrication approaches, offering versatility in the employed materials as well as in the characteristics of the resulting perovskite films. It is thus essential to review the fundamentals of perovskite vapor-related techniques in order to put their real potential and challenges into perspective.
We herein determine the important figure of merit of radiative efficiency for Methylammonium Lead Iodide perovskite solar cells and, to put in context, relate it to an organic photovoltaic (OPV ...
The electroluminescent perovskite fibre can also be being bent to a bending radius of 4.5 mm during operation ... solar cells, and supercapacitors. Sci. Adv. 2, e1600097 (2016). ADS Google Scholar ...
The efficiency of perovskite solar cells (PSCs) is currently limited by non-radiative recombination losses. One potential loss channel consists of electrons recombining at the interface with the hole transport layer (HTL). …
Two organic-inorganic halide CH3NH3PbI3 perovskite solar cells prepared in the same experimental batch but having different power conversion efficiencies −18.46% and 17.15%—were investigated ...
Perovskite solar cells (PSCs), which are constructed using organic–inorganic combination resources, represent an upcoming technology that offers a competitor to silicon-based solar cells. Electron transport materials (ETMs), which are essential to PSCs, are attracting a lot of interest. In this section, we begin by discussing the development of the PSC framework, …
Halide perovskites (HPs) are rising semiconductors in optoelectronics, such as photovoltaic and light-emitting applications. However currently, laser diode with HPs is still not realized yet. When coherent emissions are targeted as the applications, materials with lower lasing thresholds and increased stabilities must be ensured to realize the device. Perovskite …
Effective management of the insulating ligands is prerequisite for achieving good electrical coupling between colloidal quantum dots (CQDs) and, thus, high-performance solar cells. Here, we developed a rationally designed post-synthetic process for effective control of ligand density on organic-inorganic hybrid formamidinium lead triiodide (FAPbI3) perovskite …
These electroluminescent solar cells show promising applications such as self-powered display devices and street lights in urban areas [18]. Currently, PQDs for photovoltaic applications are commonly synthesized by a hot-injection method using long-chain organic ligands such as oleic acid (OA) and oleylamine (OAm). These long-chain organic ligands make sure …
Light-emitting diodes (LEDs) are an indispensable part of our daily life. After being studied for a few decades, this field still has some room for improvement. In this regard, perovskite materials may take the leading role. In recent years, LEDs have become a most explored topic, owing to their various applications in photodetectors, solar cells, lasers, and so …
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