Enhancing air-stability and reproducibility of lead-free
Organometal halide perovskite solar cells (PeSCs) with efficiency over 25% and high stability have been reported, however, lead (Pb)-free PeSCs should be developed for the commercialization due to
Alkali chloride doped SnO2 electron-transporting layers for boosting
An electron-transporting layer (ETL) with improved charge extraction-transfer kinetics and a perovskite film with improved quality highly determine the power conversion efficiency (PCE) of perovskite solar cells (PSCs). Herein, various alkali chlorides (MCl, M = Li, Na, K, Rb and Cs) are employed as passivat
Chlorine-doped SnO2 hydrophobic surface for large grain Perovskite
Perovskite solar cells (PSCs) have garnered considerable attention over the past decade owing to their low cost and proven high power conversion efficiency of over 25%.
Chlorine‐modified SnO2 electron
In just a few years, power conversion efficiencies (PCEs) of the lead-halide perovskite solar cells (PSCs) have significantly increased to 25.2% (certified). 1, 2
Elucidating the role of chlorine in perovskite solar cells
To elucidate the role of chlorine in perovskite solar cells (PSCs), here we introduced PbCl 2 into the precursor, and studied the chlorine configuration evolution during
Chlorine‐modified SnO2 electron transport
A high-quality electron transport layer (ETL) is a critical component for the realization of high-efficiency perovskite solar cells. We developed a controllable direct-contact
From Bulk to Surface Passivation: Double Role of Chlorine‐Doping
a) Schematic illustration of the stack of n-i-p perovskite solar cell (PSCs) produced employing FAPbI 3, FAPbI 3 (methylammonium chloride (MACl)), and FAPbI 3 (MACl) + 4-methylphenethylammonium chloride (MePEACl) as active materials. The perovskites were sandwiched between SnO 2 electron-transporting layer (ETL) and Spiro-OMeTAD HTL. ITO
Elucidating the role of chlorine in perovskite solar cells
It has been proposed that introducing the chlorine anion into a CH 3 NH 3 PbI 3 perovskite material can substantially improve the materials properties as well as the solar cell performance. To elucidate the role of chlorine in perovskite solar cells (PSCs), here we introduced PbCl 2 into the precursor, and studied the chlorine configuration evolution during perovskite
Chlorine-Doped Perovskite Oxide: A Platinum-Free Cathode for
KEYWORDS: dye-sensitized solar cell, perovskite oxide, cathode, anion doping, electrocatalyst 1. INTRODUCTION High-efficiency conversion of sunlight energy to electric power is a promising route to address the energy shortage problem. Among the various sunlight-to-electricity systems, dye-sensitized solar cells (DSSCs) have received increasing
Chlorine-Rich Substitution Enabled 2D3D Hybrid Perovskites
Despite the impressive power conversion efficiency (PCE) beyond 25.5%, perovskite solar cells, especially the Sn-based variants, are poorly stable under normal operating conditions compared with the market-dominant silicon solar cells that can last for over 25 years. 2D3D hybrid perovskite materials are one of the best options to overcome the instability
Enhancing air-stability and reproducibility of lead-free
Highlights • Efficiency and reproducibility of lead-free Sn based-perovskite solar cell are improved by a simple MACl doping method. • Chlorine doping effect on the
Novel Insight into the Role of Chlorobenzene Antisolvent
A novel insight of chlorobenzene function was revealed, i.e. gradient diluted chlorine doping in the CH3NH3PbI3 film, which forms a gradient bandgap in the perovskite films, prompts photogenerated
Chlorine‐doped perovskite materials for highly efficient perovskite
Among the renewable sources, solar cells based on perovskite (PVK) materials exponentially increase their efficiency from 3.8% to 25.8% rapidly in a diminutive period of time. In the present study, doped and undoped PVK layers (MAPbI 3, MAPb[I 1-x Cl x ] 3 ) are considered and optimized for solar cell application by using the SCAPS-1D device simulator.
Chlorine-doped SnO2 hydrophobic surfaces for
Planar-heterojunction lead halide perovskite solar cells (PSCs) have attracted considerable attention because of their simple and low-temperature fabrication process. Unfortunately, the electron transport layer (ETL) in these planar
Impact of Chlorine Doping on the Performance of
In this paper the effect of Cl doping on optical, photovoltaic and morphological properties of mixed halide perovskite (CH3NH3PbI3-xClx) structure in a solar cell has been reported.
Chlorine-doped SnO2 hydrophobic surfaces for large grain perovskite
Planar-heterojunction lead halide perovskite solar cells (PSCs) have attracted considerable attention because of their simple and low-temperature fabrication process. Unfortunately, the electron transport layer (ETL) in these planar devices still suffer low electron mobility due to inefficient photoelectron extraction and carrier recombination, leading to low
The optoelectronic role of chlorine in CH3NH3PbI3(Cl)
Stabilization of 3D/2D perovskite heterostructures via inhibition of ion diffusion by cross-linked polymers for solar cells with improved performance
Chlorine Incorporation in Perovskite Solar Cells for Indoor Light
performance of perovskite solar cells, especially under low-intensity indoor light. They demonstrate 35.25 and 231.78mW/cm2 under 400-lux LED and halogen illumination. Jincheol Kim, Ji Hun Jang, formance with chlorine doping under indoorlight is mainly caused by defects in the perovskite or its interfaces. It should be noted that the power
Achieving high open-circuit voltage on planar perovskite solar cells
This work elaborately develops chlorine binding on the surface of tin oxide electron transport layer for high open-circuit voltage device (1.195 V) and enhances the binding of chlorine with lead at the SnO2/perovskite interface, which will promote efficient electron transfer at the interface. The open-circuit voltage deficit is one of the main limiting factors for the further
Regioselective Multisite Atomic-Chlorine Passivation
Passivating defects using organic halide salts, especially chlorides, is an effective method to improve power conversion efficiencies (PCEs) of perovskite solar cells (PSCs) arising from the stronger Pb–Cl bonding than
Rubidium chloride doping TiO2 for efficient and hysteresis-free
There are two types of perovskite solar cells based on TiO 2, one is the planar heterojunction solar cells, and the other is the mesoporous-structure solar cells. So far, mesoporous TiO 2 has been used as the ETL and the devices achieve satisfactory PCE; however, it requires a complex process and high-temperature annealing (>450 °C).
Chlorine‐doped perovskite materials for highly
Among the renewable sources, solar cells based on perovskite (PVK) materials exponentially increase their efficiency from 3.8% to 25.8% rapidly in a diminutive period of time. In the present study, doped and undoped PVK layers (MAPbI 3
Chlorine-doped perovskite materials for highly efficient perovskite
Request PDF | Chlorine-doped perovskite materials for highly efficient perovskite solar cell design offering an efficiency of nearly 29% | The new form of renewable energy attracts enormous
Chlorine-Doped Perovskite Oxide: A Platinum-Free Cathode
Triiodide/iodide (I 3-/I-) redox couple-mediated solar cells, batteries, and electrochromic devices require highly efficient and stable electrocatalysts for I 3-reduction reaction (IRR) to overcome performance limitations, whereas the widely used platinum (Pt) cathode for IRR has limitations of high price and unfavorable durability. In this work, we present a halogen
Achieving High Open-Circuit Voltage on Planar Perovskite Solar Cells
While τ1 denotes the quenching of free electrons at the SnO 2 /perovskite interface, τ2 denotes the radiative recombination of the carriers. 41, 43 As summarized in Table S2, the F-doping
Achieving High Open-Circuit Voltage on Planar
The open-circuit voltage deficit is one of the main limiting factors for the further performance improvement in planar structured perovskite solar cells. In this work, we elaborately develop chlorine binding on the surface of tin oxide electron
Chlorine‐doped perovskite materials for highly
Among the renewable sources, solar cells based on perovskite (PVK) materials exponentially increase their efficiency from 3.8% to 25.8% rapidly in a diminutive period of time. In the present study, doped and undoped PVK
Correction: Chlorine-doped SnO
Correction for ''Chlorine-doped SnO2 hydrophobic surfaces for large grain perovskite solar cells'' by Wenxiao Gong et al., J. Mater. Chem. C, 2020, DOI: 10.1039/d0tc00515k. Jump to main content . Jump to site search Chlorine-doped SnO 2 hydrophobic surfaces for large grain perovskite solar cells W. Gong, H. Guo, H. Zhang, J
Enhancing efficiency and stability of perovskite solar cells
Perovskite solar cells (PSCs) exhibit numerous advantages, including high performance, Chlorine-doped SnO 2 hydrophobic surfaces for large grain perovskite solar cells. Journal of Materials Chemistry C, 8 (33) (2020), pp. 11638-11646, 10.1039/D0TC00515K. View in Scopus Google Scholar
Enhancing air-stability and reproducibility of lead-free formamidinium
Chlorine doping effect on the morphology and perovskite crystal orientation is investigated. Organometal halide perovskite solar cells (PeSCs) with efficiency over 25% and high stability have been reported, however, lead (Pb)-free PeSCs should be developed for the commercialization due to the toxicity of Pb. Among the candidates to replace
Achieving High Open-Circuit Voltage on Planar Perovskite Solar Cells
Planar perovskite solar cells with chlorine-passivated SnO 2 exhibit a higher open-circuit voltage of 1.195 V than that of reference ones (1.135 V) for a lower band gap of 1.58 eV perovskite absorbers, which achieve a power conversion efficiency of
Achieving High Open-Circuit Voltage on Planar
Planar perovskite solar cells with chlorine-passivated SnO 2 exhibit a higher open-circuit voltage of 1.195 V than that of reference ones (1.135 V) for a lower band gap of 1.58 eV perovskite absorbers, which achieve a power conversion
Researchers examine how chlorine stabilizes perovskite solar cells
A team of researchers, led by Professor Yabing Qi in the Energy Materials and Surface Sciences Unit at the Okinawa Institute of Science and Technology Graduate University (OIST) in Japan, recently imaged the atoms at the surface of the light-absorbing layer metal-halide perovskite solar cell.Their findings addressed a long-standing mystery in the field of
Chemical state of chlorine in perovskite solar cell and
Inorganic–organic hybrid perovskite solar cells have become of interest due to their high solar-to-electric power conversion efficiency and low fabrication costs. Recently, it is reported that chlorine doping is an effective
Chemical state of chlorine in perovskite solar cell and its
Inorganic–organic hybrid perovskite solar cells have become of interest due to their high solar-to-electric power conversion efficiency and low fabrication costs. Recently, it is reported that chlorine doping is an effective means of improving the conversion efficiency and stability of these cells. However, the role played by
Chlorine-Doped Perovskite Oxide: A Platinum-Free Cathode for
Request PDF | On Sep 4, 2019, Wei Wang and others published Chlorine-Doped Perovskite Oxide: A Platinum-Free Cathode for Dye-Sensitized Solar Cells | Find, read and cite all the research you need
Chlorine Incorporation in Perovskite Solar Cells for Indoor Light
Use of chlorine has an effect on the photovoltaic performance of perovskite solar cells, especially under low-intensity indoor light. Based on the characterization of leakage
6 FAQs about [Chlorine-doped perovskite solar cells]
Does chlorine incorporation improve the performance of planar perovskite solar cells?
Nature 501:395–398 Qing J, Chandran HT, Cheng YH, Liu XK, Li HW, Tsang SW, Lo MF, Lee CS (2015) Chlorine incorporation for enhanced performance of planar perovskite solar cell based on lead acetate precursor.
What is a planar perovskite solar cell with chlorine-passivated Sno 2?
Planar perovskite solar cells with chlorine-passivated SnO 2 exhibit a higher open-circuit voltage of 1.195 V than that of reference ones (1.135 V) for a lower band gap of 1.58 eV perovskite absorbers, which achieve a power conversion efficiency of 20% with negligible hysteresis.
What is the use of chlorine in perovskite?
They also used chlorine in perovskite to restrain halide segregation, especially between iodide and bromide, and to stabilize the triple-anion perovskite film with high bromine content. Cheng et al.8 reported the best PCE (36.2%) under indoor light conditions.
Can introducing chlorine anion into a CH3NH3PbI3 perovskite material improve solar cell performance?
It has been proposed that introducing the chlorine anion into a CH3NH3PbI3 perovskite material can substantially improve the materials properties as well as the solar cell performance. To elucidate the role of chlorine in perovskite solar cells (PSCs), here we introduced PbCl2 into the precursor, and studied
How efficient are perovskite solar cells?
Perovskite solar cells have attracted significant attention due to their ability to exhibit efficient ambipolar transport, tunable direct band gaps, high solar-to-electric power conversion efficiencies and low fabrication costs. The efficiency of these devices has also increased in recent years, from 3.8 to 22.7% [ 1, 2, 3, 4, 5, 6 ].
Does chlorine synthesis improve solar cell performance?
Further optimization according this protocol leads to solar cells achieving power conversion efficiency of 17.91%. Chlorine incorporation into CH3NH3PbI3improves solar cell performance, but its optoelectronic role is still unclear.