Solar cell modification layer
Organometal halide perovskite solar cell (PSC) has been attracting great attention due to its remarkable optoelectronic properties 1,2,3,4,5 available with a cost-effective fabrication process ...
Impact of compact TiO2 interface modification on the crystallinity …
Organometal halide perovskite solar cell (PSC) has been attracting great attention due to its remarkable optoelectronic properties 1,2,3,4,5 available with a cost-effective fabrication process ...
Enhanced performance of TiO2-based planar perovskite solar cells …
In this report, In 2 O 3 is developed as an efficient interlayer between TiO 2 electron-transporting layer and perovskite light-absorption layer in planar perovskite solar cells. The modification of In 2 O 3 interlayer results in a superb enhancement in average power conversion efficiency (from 16.71% to 18.93%). Meanwhile, the hysteresis ...
Interface degradation of perovskite solar cells and its modification ...
Solar energy is attracting more and more attention and acts as one of the important candidates to solve the world''s energy crisis [1], [2], [3].Although conventional silicon solar cells have achieved reasonably high power conversion efficiencies (PCEs), they are still expensive which prevents their broad applications [1], [4], [5].Low-cost, light-weight, solution …
Interface modification by ethanolamine interfacial layer for efficient ...
The electron transport layer (ETL) is an essential part in perovskite solar cells (PSCs), which plays a crucial role in electron-transport and hole-blocking. However, the defects and band-energy-mismatch at ETL/perovskite interface accelerate the interfacial carrier recombination, leading to severe voltage losses and hysteresis effect.
Suppressed Degradation Process of Green‐Solvent Based Organic Solar ...
PETMP modification significantly stabilizes the crystallinity of the active layer in solar cells, as evidenced by the less pronounced shift in the π-π stacking signal after aging compared to the reference cell, with detailed d (d) and crystalline coherence length (L C) calculations further supporting this observation.
Modification Engineering in SnO2 Electron Transport Layer …
The electron transport layer plays a key role in affecting the charge dynamics and photovoltaic parameters in perovskite solar cells. Compared to other counterparts, SnO 2 has unique advantages such as low temperature fabrication and high electron extraction ability, and it receives extra attentions from the research community since the first report.
Detailed Insight into the CZTS/CdS Interface Modification by Air ...
Relatively fast achievements in the kesterite solar cell technology have been made over the last decade, but the experimental efficiency is still ∼13%. One proposed reason is an inappropriate band alignment with Cu2ZnSnS4 (CZTS) and CdS that results in strong interface recombination losses. Results of this work show that the temperature and duration of air annealing of the …
Improved Efficiency and Stability of Organic Solar Cells by …
An effective approach for depositing the interlayers is atomic layer deposition (ALD), which has been employed in silicon, dye-sensitized and perovskite solar cells to reduce undesirable surface recombination and to improve device performance. [38-40] Recently, there have been some reports on the utilization of the ALD technique for OSCs.
Progress in Surface Modification of SnO2 Electron …
As a result of the ETL modification, unencapsulated solar cell devices based on PAM-functionalized SnO 2 ETLs exhibit much enduring performance under 50% relative humidity (RH) by retaining more than 90% of the original efficiency, in …
physica status solidi (a)
Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) has been widely used in inverted perovskite solar cells (PSCs) due to its simple preparation process and high stability. However,...
Interfacial modification in perovskite-based tandem …
For 2-T monolithic tandem cells, interface engineering is the most effective way to improve photovoltaic performance. Interface engineering plays a key role in (1) defect passivation, (2) improving charge-carrier …
Enhancing the performance of perovskite solar cells via interface ...
Interface modification is an effective strategy to improve the performance of perovskite solar cells (PSCs). In this work, edible materials like glycerol and choline chloride were used to modify the surface of hole transport layer (HTL) NiOx. CH3NH3PbI3 (MAPbI3) film fabricated on the modified NiOx has a smoother surface and more uniform grains. It enables an …
P-type tetrathiafulvalene derivative as the interface modification ...
Interfacial layers between active layer and electrodes are essential for achieving high performance in organic solar cells. Herein, an effective anode interface modification material, TTF-PZ was synthesized and combined with …
Improving the efficiency of perovskite solar cells using modification ...
In perovskite (PSK) solar cells, the PSK absorber layer plays a vital role in power conversion efficiency (PCE). In this study, we report on the fabrication of mesoporous PSK solar cells using a two-step spin-coating rout with the structure of glass/FTO/compact TiO2/mesoporous TiO2/CH3NH3PbI3 (MAPbI3)/P3HT/Au. The morphology and crystalline …
23.7% Efficient inverted perovskite solar cells by dual …
This dual interfacial modification is fully compatible with a bulk modification of the perovskite active layer by ionic liquids, leading to both efficient and stable inverted architecture devices. ... and F-PEAI. (B) Schematic presentation of the fabrication procedure of the perovskite active layer. (C) Solar cell device structures with the ...
A linear conjugated tetramer as a surface-modification layer to ...
A surface-modification layer is important for the performance and stability of perovskite solar cells, but the research on surface-modification materials is still lagging behind perovskite materials in the photovoltaic field. In this work, a linear conjugated tetramer, IDTT4PDI, was developed through Stille coupling with a high synthetic yield.
Facile NaF Treatment Achieves 20% Efficient ETL-Free Perovskite Solar Cells
Electron transporting layer (ETL)-free perovskite solar cells (PSCs) exhibit promising progress in photovoltaic devices due to the elimination of the complex and energy-/time-consuming preparation route of ETLs. However, the performance of ETL-free devices still lags behind conventional devices because of mismatched energy levels and undesired …
Improved Efficiency of Perovskite Solar Cells by the …
As the most promising material for thin-film solar cells nowadays, perovskite shine for its unique optical and electronic properties. Perovskite-based solar cells have already been demonstrated with high …
Impact of compact TiO2 interface modification on the crystallinity …
While surface treatments of the compact TiO 2 layer are recognized as effective strategies to enhance the photovoltaic performance of perovskite solar cells, the discussion …
Performance improvement of perovskite solar cells using …
To improve the performance of perovskite solar cells (PSCs), vanadium oxide (VO x) film was deposited as an interface modification layer (IML) by a radio frequency magnetron sputtering system. The VO x IML was utilized to modify the interface between the indium tin oxide (ITO) anode electrode and the poly(3,4-ethylenedioxythiophene)-poly (styrene …
Buried interface modification toward efficient perovskite solar cell ...
Nowadays, the PVK hole-transport-layer (HTL) based PSC suffered from low power conversion efficiency (PCE), which mainly caused by bad interface contact between …
Intrinsic layer modification in silicon heterojunctions: Balancing ...
1. Introduction. The excellent surface passivation of crystalline silicon (c-Si) by a thin hydrogenated amorphous silicon (a-Si:H) layer [1, 2] enables world record efficiencies of SHJ solar cells [3].A key to this outstanding surface passivation is the prevention of epitaxial growth at the a-Si:H/c-Si interface [4, 5] was found that for single intrinsic layers, surface passivation ...
Improving the operating performance of organic solar cells …
At the same time, the interface modification layer also affects the vertical phase separation of the active layer, which can improve the charge selectivity to a certain extent [20], ... Interface investigation of the alcohol-/water-soluble conjugated polymer PFN as cathode interfacial layer in organic solar cells. Appl. Phys., 114 (2013), p. 12158.
Surface Modification of Heterojunction with Intrinsic Thin Layer Solar ...
5 · Solar cell (SC) technologies, which are essential in the transition toward sustainable energy, utilize photovoltaic cells to convert solar energy into electricity. Of the available technologies, heterojunction with intrinsic thin-layer (HIT) solar cells offers high efficiency and reliability. The current study explored the enhancement of HIT solar cell performance through …
Efficient window layer modification enabling the remarkable FF …
The search for a more transparent or conductive N-type window layer, a widely used optimization strategy in silicon-based solar cells, is attractive [25], [26], [27]. ZnO, as an …
Progress in Surface Modification of SnO2 Electron Transport Layers …
1 Introduction. Since the first invention of perovskite solar cells (PSCs), its power conversion efficiency (PCE) has rapidly surged to 25.8%, [] with flexible PSCs also reaching a high PCE of 23.6%. [] However, stability of PSCs is still considerably inferior that have rendered them not able to fulfill the commercialization standards at the moment. [] So far, the approaches adopted to ...
Interfacial modification in perovskite-based tandem solar cells
With photovoltaic performance of metal halide perovskite-based solar cells skyrocketing to approximately 26% and approaching the theoretical Shockley–Queisser limit of single junction solar cells, researchers are now exploring multi-junction tandem solar cells that use perovskite materials to achieve high efficiency next-generation photovoltaics. Various …
Modification Engineering in SnO2 Electron Transport …
The electron transport layer plays a key role in affecting the charge dynamics and photovoltaic parameters in perovskite solar cells. Compared to other counterparts, SnO 2 has unique advantages such as low …
Fullerene modification of WO3 electron transport layer …
CPTA, C 60 pyrrolidine Tris-acid; ETL, electron transport layer; HTM, hole transport material; ITO, indium tin oxide; PSC, perovskite solar cell. To in-depth understand the mechanism of CPTA modification on the …
Efficient window layer modification enabling the remarkable FF …
The search for a more transparent or conductive N-type window layer, a widely used optimization strategy in silicon-based solar cells, is attractive [25], [26], [27].ZnO, as an effective electron-selective contact in silicon devices, exhibits excellent optoelectronic properties, and appropriate cation doping can significantly improve PV performance [28], [29], [30].