Mesoporous solar cells
Our products revolutionize energy storage solutions for base stations, ensuring unparalleled reliability and efficiency in network operations.
Printable mesoscopic perovskite solar cells (p-MPSCs) do not require the added hole-transport layer needed in traditional p-n junctions but have also exhibited lower power conversion efficiencies of about 19%. ... We performed device simulation and carrier dynamics analysis to design a p-MPSC with mesoporous layers of semiconducting …
Electron injection and defect passivation for high-efficiency ...
Printable mesoscopic perovskite solar cells (p-MPSCs) do not require the added hole-transport layer needed in traditional p-n junctions but have also exhibited lower power conversion efficiencies of about 19%. ... We performed device simulation and carrier dynamics analysis to design a p-MPSC with mesoporous layers of semiconducting …
Tailoring carrier dynamics in inverted mesoporous perovskite solar cells …
Compared to extremely high efficiencies achieved by their normal mesoscopic counterparts, significant improvement in those of inverted mesoporous perovskite solar cells (PSCs) has yet to be made. The incorporation of plasmonic nanostructures into mesoporous films has been reported to improve their optoelectronic properties through plasmon resonance effects.
Mesoporous materials for energy conversion and storage devices
In this Review, we summarize the primary methods for preparing mesoporous materials and discuss their applications as electrodes and/or catalysts in …
Energies | Free Full-Text | Assessment of Molecular Additives on …
Perovskite solar cells have progressed very steadily, reaching power conversion efficiencies (PCE) beyond 20% while also improving their lifetimes up to 10,000 h. A large number of cell architecture and materials for active, transporting and electrode layers have been used, either in blends or in nanostructured layers. In this article, a set of …
Strain-relaxed tetragonal MAPbI 3 results in efficient mesoporous solar ...
In mesoporous organo-halide perovskite solar cells, the coexistence of tetragonal phase and cubic phase in the perovskite layer is found to result in strained crystal structure at the mesoporous TiO 2 (mp-TiO 2)/perovskite heterointerface.This results in structural defects pinholes, grain boundaries, and interfacial porosity which is detrimental towards …
High stable bifacial irradiated triple-mesoporous perovskite solar ...
1. Introduction. Due to the advantages of the large absorption coefficient, high carrier mobility, direct band gap, and high stability [1], solar cells employing organic-inorganic metal halide perovskite materials have made tremendous progress, with the power conversion efficiency (PCE) improving to 25.2% [2].Bifacial irradiated perovskite solar …
Elucidating the effect of shunt losses on the performance of mesoporous perovskite solar cells …
The effect of shunt losses on the performance of mesoporous perovskite solar cells (MPSCs) is systematically investigated. • The MPSCs fabricated with an appropriate thickness (~ 57.1 nm) of hole blocking layer showed the high enough R Sh value to reduce the shunt losses significantly. ...
High throughput fabrication of mesoporous carbon perovskite solar cells
The screen printed mesoporous carbon perovskite solar cell has great potential for commercialisation due to its scalable deposition processes and use of inexpensive materials. However, each layer requires long high temperature heating steps to achieve the necessary sintering and porosity, which is very time
Enhanced electronic properties in mesoporous TiO 2 …
Perovskite solar cells prepared using the Li-doped films as scaffold to host the CH3NH3PbI3 light harvester produce substantially higher performances compared with undoped electrodes, improving...
High stable bifacial irradiated triple-mesoporous perovskite solar cells …
1. Introduction Due to the advantages of the large absorption coefficient, high carrier mobility, direct band gap, and high stability [1], solar cells employing organic-inorganic metal halide perovskite materials have made tremendous progress, with the power conversion efficiency (PCE) improving to 25.2% [2]..
γ‐Valerolactone: A Nontoxic Green Solvent for Highly Stable …
Finally, to compare the perovskite crystallinity, phase formation, and ensure that no degradation to PbI 2 occurs during standard annealing conditions, XRD was conducted.. As shown in Figure 2c, both samples showed identical peak positions.This indicates that the MAPbI 3 unit cells are the same size and that the phase composition of …
Meso-Superstructured Perovskite Solar Cells: Revealing the Role …
While perovskite solar cells (PSCs) have been developed with different device architectures, mesoporous devices have provided the highest power conversion efficiencies. In this work, the working mechanism of both positive-intrinsic-negative (p-i-n) and negative-intrinsic-positive (n-i-p) meso-superstructured (MSSC) PSCs, which include …
Meso-Superstructured Perovskite Solar Cells: Revealing the Role …
While perovskite solar cells (PSCs) have been developed with different device architectures, mesoporous devices have provided the highest power conversion …
Mesoporous perovskite solar cells: material composition, charge …
We report on our investigations on charge transport and recombination in TiO2-based mesoporous solar cells using PbI2 and various perovskite compositions, including CH3NH3PbI3, CH3NH3PbI2Br, CH3NH3PbIBr2, and CH3NH3PbBr3. The mesoporous TiO2 film is about 650 nm thick. Electron microscopy measurements show t
Elucidating the effect of shunt losses on the performance of mesoporous ...
Mesoporous perovskite solar cells (MPSCs) suffer from various types of charge carrier losses, where shunt losses usually dominate. Herein, we perform a systematic study to investigate the impact of such losses on the photovoltaic performance of methylammonium lead iodide (MAPbI 3)-based MPSCs.The shunt losses in the MPSCs …
One-pot fabrication of mesoporous g-C3N4/NiS co-catalyst …
The nickel sulfide (NiS) nanoparticles were anchored on the mesoporous graphitic carbon nitride (g-C3N4) by one-pot calcination with sulfur powder as sulfur source and pore-forming agent. It is the first attempt to use the g-C3N4/NiS as a counter electrode (CE) for quantum-dot-sensitized solar cells. The g-C3N4/NiS co-catalyst based on 0.74 …
Over 8% efficient CsSnI3-based mesoporous perovskite solar cells …
All-inorganic tin halide perovskite compounds, such as CsSnI3, have attracted attention in the field of solar cells due to their eco-friendly properties. It is quite a challenge to fabricate high-quality CsSnI3 perovskite films with low defect density due to the low defect tolerance and overquick crystalliza
Efficient and stable mesoporous perovskite solar cells using p …
Perovskite solar cells (PSCs) with organometal halides have recently emerged as a prominent, efficient and low-cost solar technology. The power conversion efficiencies ... The mesoporous TiO 2 films were deposited on the compact TiO 2 layer by spin-coating TiO 2 paste diluted in anhydrous ethanol ...
Experimental and theoretical study of improved mesoporous …
The first is a solar cell with a layer of mesoporous (mp) electron transport contain from semiconductor metal oxide such as TiO 2. The second type works on the basis of position of electrons and holes transporting within cell structure, which is classified as of p-i-n or n-i-p junction planer structure [ 5, 6 ].
Over 8% efficient CsSnI3-based mesoporous perovskite solar cells ...
The CsSnI 3 perovskite solar cells based on a printable c-TiO 2 /m-TiO 2 /Al 2 O 3 /NiO/carbon mesoporous framework achieved a power conversion efficiency of 8.03% with high reproducibility, which is the best efficiency among those reported for all-inorganic CsSnI 3 mesoporous perovskite solar cells to date.
Strain-relaxed tetragonal MAPbI3 results in efficient mesoporous solar ...
In mesoporous organo-halide perovskite solar cells, the coexistence of tetragonal phase and cubic phase in the perovskite layer is found to result in strained crystal structure at the mesoporous TiO 2 (mp-TiO 2)/perovskite heterointerface.This results in structural defects pinholes, grain boundaries, and interfacial porosity which is detrimental …
Strain-relaxed tetragonal MAPbI3 results in efficient mesoporous solar ...
Abstract. In mesoporous organo-halide perovskite solar cells, the coexistence of tetragonal phase and cubic phase in the perovskite layer is found to result in strained crystal structure at the mesoporous TiO 2 (mp-TiO 2)/perovskite heterointerface.This results in structural defects pinholes, grain boundaries, and …
Fully Inorganic CsSnI 3 Mesoporous Perovskite Solar Cells with …
The small optical bandgap of a CsSnI 3-based inorganic perovskite film makes it a hopeful candidate as an absorber layer in solar cell applications. Herein, a …
Solid-state dye-sensitized mesoporous TiO2 solar cells with high …
Solar cells based on dye-sensitized mesoporous films of TiO2 arelow-cost alternatives to conventional solid-state devices1. Impressive solar-to-electrical energy conversion efficiencies have been ...
γ-Valerolactone: A Nontoxic Green Solvent for Highly Stable Printed Mesoporous Perovskite Solar Cells
Mesoscopic carbon-based lead halide perovskite solar cells (CPSCs) represent a promising architecture for commercialization in the field of perovskite photovoltaics as they are stable, potentially low cost, and use easily scaled production methods. However, the use ...
Impact of a Mesoporous Titania–Perovskite Interface on the …
We report on the optimization of the interfacial properties of titania in mesoscopic CH 3 NH 3 PbI 3 solar cells. Modification of the mesoporous TiO 2 film by TiCl 4 treatment substantially reduced the surface traps, as is evident from the sharpness of the absorption edge with a significant reduction in Urbach energy (from 320 to 140 meV) determined …
Photoelectric Properties of Planar and Mesoporous Structured Perovskite Solar Cells
The high efficiency of perovskite solar cells strongly depends on the quality of perovskite films and carrier extraction layers. Here, we present the results of an investigation of the photoelectric properties of solar cells based on perovskite films grown on compact and mesoporous titanium dioxide …
Rapid and low temperature processing of mesoporous TiO2 for …
Mesoporous perovskite solar cells and the role of nanoscale compact layers for remarkable all-round high efficiency under both indoor and outdoor illumination. Nano Energy, 30 (2016), pp. 460-469, 10.1016/j.nanoen.2016.10.030. View PDF View article View in Scopus Google Scholar [23]
High throughput fabrication of mesoporous carbon perovskite solar cells ...
The screen printed mesoporous carbon perovskite solar cell has great potential for commercialisation due to its scalable deposition processes and use of inexpensive materials. However, each layer requires long high temperature heating steps to achieve the necessary sintering and porosity, which is very time and energy intensive for large scale ...
Beyond hydrophobicity: how F4-TCNQ doping of the hole transport material improves stability of mesoporous triple-cation perovskite solar cells ...
Despite the outstanding power conversion efficiency of triple-cation perovskite solar cells (PSCs), their low long-term stability in the air is still a major bottleneck for practical applications. The hygroscopic dopants traditionally used in hole transport materials (HTMs) severely degrade the perovskite fi
Photoelectric Properties of Planar and Mesoporous Structured
The high efficiency of perovskite solar cells strongly depends on the quality of perovskite films and carrier extraction layers. Here, we present the results of an investigation of the photoelectric properties of solar cells based on perovskite films grown on compact and mesoporous titanium dioxide layers.
Energies | Free Full-Text | Assessment of Molecular Additives on the Lifetime of Carbon-Based Mesoporous Perovskite Solar Cells …
Perovskite solar cells have progressed very steadily, reaching power conversion efficiencies (PCE) beyond 20% while also improving their lifetimes up to 10,000 h. A large number of cell architecture and materials for active, transporting and electrode layers have been used, either in blends or in nanostructured layers. In this article, a set of …
Effect of compact TiO2 layer on structural, optical, and …
The mesoporous perovskite solar cells with the compact TiO 2 layer exhibited a dense and pinhole-free highly crystalline perovskite film with improved optical and electrical properties. On the other hand, the mesoporous perovskite solar cells without the compact TiO 2 layer suffered from severe recombination problems at the …
Synergy of mesoporous SnO2 and RbF modification for high-efficiency and ...
Electron transport layer (ETL) is very critical to the performance of perovskite solar cells (PSCs), and optimization work on ETL has received extensive attentions especially on tin oxide (SnO 2) since it is an excellent ETL material widely applied in high-efficiency PSCs.Thereinto, introducing mesoporous structure and surface …
Mesoporous BaSnO 3 layer based perovskite solar cells
One of the limitations of TiO2 based perovskite solar cells is the poor electron mobility of TiO2. Here, perovskite oxide BaSnO3 is used as a replacement. It has a higher electron mobility and the same perovskite structure as the light harvesting materials. After optimization, devices based on BaSnO3 showed
Experimental and theoretical study of improved mesoporous titanium dioxide perovskite solar cell…
The present study serves experimental and theoretical analyses in developing a hybrid advanced structure as a photolysis, which is based on electrospun Graphene Oxide-titanium dioxide (GO-TiO2) nanofibers as an electron transfer material (ETMs) functionalized for perovskite solar cell (PVSCs) with GO. The prepared ETMs …
A detailed review of perovskite solar cells: Introduction, working …
The Mesoporous Perovskite Solar Cells (MPSCs) have recently drawn greater interest due to their inexpensive components, simple manufacturing process, and high PCE. In MPSC, a fluorine-doped tin oxide layer (FTO), which typically blocks holes and collects electrons, is placed before the compact layer [ 1 ].
Picosecond Capture of Photoexcited Electrons Improves …
In this work, solar cells based on methylammonium lead iodide doped in solution with C70 fullerene in a mesoporous as well as planar electron-transporting layer (ETL)-free architecture are realized, showcasing in the latter case a record efficiency of 15.7% and an improved open-circuit voltage (VOC). In this work, solar cells based on …