This Review summarizes the types of materials used in the photoactive layer of solution-processed organic solar cells, discusses the advantages and …
Solar cells constructed of organic materials are becoming increasingly efficient due to the discovery of the bulk heterojunction concept. This review provides an overview of organic solar cells. Topics covered include: a brief history of organic solar cell development; device construction, definitions, and characteristics; and heterojunction …
Active layer materials, as the most critical functional layer in the devices, are greatly affected by these factors in terms of both efficiency and stability. Herein, it is desirable and urgent to summarize methods for obtaining active layer materials with long-term stability, mainly focusing on the chemical structure and blending morphology.
In situ removable (ISR) solid additive can employ cold sublimation process to optimize active layer morphology for organic solar cells (OSCs), thus remaining unique potential. Herein, a feasible guideline is proposed to discover a …
Layer-by-layered (LBL) structure via sequential processing of the donor and acceptor layers becomes an advisable option to construct pseudo-bilayer configurations in OSC active layer. Favorable vertical phase separation and sufficient exciton dissociation interfaces can be simultaneously realized in such aggregation morphology via different …
3 · Recently, many researchers have made progress in studies aimed at enhancing the power conversion efficiency (PCE) of n-type dye-sensitized solar cells (DSSCs). This …
Fill factor (FF) of an organic solar cell is another vital factor which affects the cell efficiency and depends on the V oc, J sc and active layer morphology [21]. In this study, we constructed devices containing PFTBT:PCBM (1:1, w/w) in the active layer and investigated the role of active layer thickness on power conversion efficiency (PCE) as …
Organic Solar Cell, Active Layer Materials, Donor Materials, Acceptor Materials 1,2,3*, 1, 1,2,1,,4 1,, ...
Here, we elucidate the influence of active layer thickness and defect density on the photovoltaic performance of lead-free CsSn 0.5 Ge 0.5 I 3 perovskite solar cells (PSCs). We explained the dependence of FF and J SC on the perovskite layer thickness and defect density in terms of the extraction rate and generation rate, …
The morphology of the active layer, the formation of an interpenetrating network structure and the phase separation of donor–acceptor polymers play critical roles in determining the performance of organic solar cells, …
Achieving high power conversion efficiency (PCE) polymer solar cells (PSCs) has been very challenging and the ultimate goal for their commercialization. Precise investigation of the active layer morphology and newer methods to process these layers has been a crucial factor to realize high PCE. There is also
The active layer of solar cells contains the donor organic material and the acceptor organic material, used in a layer-by-layer fashion in bilayer heterojunction and are combined together in bulk heterojunction solar cells [30]. Light crosses from the transparent
Active layer consists of an interpenetrating network of electron donating and electron accepting materials ... Alam M. M. and Jenekhe S. A. 2004 Efficient solar cells from layered nanostructures of donor and acceptor conjugated polymers Chem. Mater. 16 …
Additive strategy is an effective method for optimizing the morphology of active layer in organic solar cells (OSCs). However, common high boiling points solvent …
Namely, the active layer''s thickness is referred to, which, together with device efficiency and stability, represents one of the biggest challenges of this technological research field. Papers describing solar cells containing non-fullerene acceptor (NFA) binary and ternary blends, as well as NFA plus fullerene acceptor (FA) ternary blends are …
Intrinsically stretchable fiber-shaped organic solar cells (FOSCs) are fabricated by all-polymer-based active layer. The devices can remain over 90% of the initial efficiency under the stretch strain...
The development of organic solar cells (OSCs) with thick active layers is of crucial importance for the roll-to-roll printing of large-area solar panels. Unfortunately, increasing the ...
Thick Active-Layer Organic Solar Cells † Zesheng Liu, Zesheng Liu Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 China ...
Perovskite solar cell
This work presents the comparative analysis of the optimization and modelling of three perovskite solar cell configurations (PSC), single junction based ITO/ZnO/CsSnI 3 /Spiro-OMeTAD/Au and ITO/ZnO/Cs 2 BiAgI 6 /Spiro-OMeTAD/Au based single junction PSC while graded dual active layer based ITO/ZnO/CsSnI 3 /Cs 2 BiAgI 6 …
The active layer microstructure of organic solar cells is critical to efficiency. By studying the photovoltaic properties of organic solar cell''s microstructure, it is possible to increase the efficiency of the solar cell. A graph-based microstructure model was employed to approximate the efficiency, measured as short circuit current, of a solar …
Solar cell
Vertically optimized phase separation with improved exciton diffusion enables efficient organic solar cells with thick active layers
Thus, when the active layer of an organic solar cell (OSC) is based on a single component (a molecular or polymer thin film), the exciton-dissociation efficiency is very low 1.
Large area fabrication of organic solar cells is critical to achieve sufficient energy for power applications. However, large-area organic solar cells still suffer from low production yields because their thin active layer (100–300 nm) is prone to form leakage current when film defects exist in the active la
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