The test devices include both polymer/fullerene-based bulk-heterojunction solar cells and small-molecule-based heterojunction solar cells. The spectral responsivities of test cells are measured as per American Society for Testing and Materials Standard E1021, and their dependence on light-bias intensity is reported. - Download [PDF]
The test devices include both polymer/fullerene-based bulk-heterojunction solar cells and small-molecule-based heterojunction solar cells. The spectral responsivities of test cells are measured as per American Society for Testing and Materials Standard E1021, and their dependence on light-bias intensity is reported.
organic solar cell efficiencies, descriptions of the characterization procedures and set-ups used should be given to ensure reproducibility and comparability as well as an...
During past several years, the photovoltaic performances of organic solar cells (OSCs) have achieved rapid progress with power conversion efficiencies (PCEs) over 18%, demonstrating a great practical application prospect. The development of material science including conjugated polymer donors, oligomer-like organic molecule donors, …
In this work, we develop a molecular interaction framework regarding how the thermomechanical behavior of the blend films informs the competing morphological and mechanical stability requirements of the cells. Through this framework, the thermomechanical properties of the active layer can be screened to provide insights into …
In the recent years, solar cells play an important role in meeting the global energy and environment challenges as a clean and sustainable source of energy [].The first generation of solar technologies is wafer-size single-junction solar cells based on crystalline silicon that are assembled into large area modules [].However, the …
In this work, we develop a molecular interaction framework regarding how the thermomechanical behavior of the blend films informs the competing morphological and mechanical stability requirements of the cells. …
In the search for a more efficient solar cell, various types of tandem solar cells (TSCs) have been actively developed worldwide as the performances of the single junction solar cells approach their theoretical limits. Meanwhile, various materials and structures are adopted in TSCs, which makes their characterizations and comparison …
In organic photovoltaics, high power conversion efficiencies (PCE) are mostly achieved on device areas well below 0.1 cm 2.Herein, organic solar cells based on a D18:Y6 absorber layer on an active area of ≥ 1 cm 2 with a certified PCE of 15.24% are reported. The impacts of the sheet resistance of the transparent electrode and the cell design are quantified by …
W.H. and Z.J. fabricated the ultraflexible organic solar cells and performed device characterization. X.J. and C.R.M. performed the synchrotron-based morphological investigations. Z.J. and W.H. …
An evaluation of topical developments in the application of AFM and its associated techniques as a diagnostic tool for solar cell characterization with emphasis on polymer solar cells, perovskite solar cells, quantum dots sensitized solar cells (QDSSCs), dye-sensitized solar cells (DSSCs), fullerene-based solar cells, III-V-based solar cells ...
A highly flexible and durable transparent graphene electrode with thermal stability was developed via the direct integration of polyimide (PI) on graphene. Due to the high transparency of PI-integrated graphene electrode and intimate contact between graphene and PI substrate, high-efficiency flexible organic solar cell with a PCE of 15.2% and …
Insights into Charge Dynamics and Recombination Processes in Ternary Organic Solar Cells through Photophysical Characterization Techniques. ... Characterization techniques such as contact angle measurement and estimation of blend miscibility are increasingly essential for understanding the underlying mechanisms ... In …
The high efficiency all-small-molecule organic solar cells (OSCs) normally require optimized morphology in their bulk heterojunction active layers. Herein, a small-molecule donor is designed and ...
1.5, a scaling to 1000 W/m2 will not be representative of the test cell''s actual per-formance under AM 1.5. Furthermore, since the majority, if not all, of the solar ... simulators can be used for electrical characterization of solar cells as well as irra-diance exposure of materials and devices. A solar simulator operates in either a
A simple strategy to simultaneously improve power conversion efficiency (PCE) and mechanical stability of ultraflexible organic solar cells is reported. By using a fullerene/non-fullerene mixed …
Photovoltaic devices convert solar radiation directly into electricity using solar cells such as silicon solar cells with efficiencies reach the value of 25% in research [].The second generation of thin-film solar cells using materials such as cadmium telluride (CdTe) and copper indium gallium selenide (CIGS) give an efficiencies around 19.6% for …
This review paper emphasizes the importance of the parameter extraction stage for organic solar cell investigations by offering various device models and extraction methodologies.
The test devices include both polymer/fullerene-based bulk-heterojunction solar cells and small-molecule-based heterojunction solar cells. The spectral responsivities of test cells are measured as …
Stability is one of the most important challenges facing material research for organic solar cells (OSC) on their path to further commercialization. In the high-performance material system PM6:Y6 ...
Morphology of organic thin film, including the in-plane and out-of-plane directions, plays a crucial role in determining the performance of organic solar cells, yet the characterisation is ...
Characterization of Organic Solar Cell Devices and their Interfaces under Degradation: Imaging, Electrical and Mechanical Methods ... (light soaking and damp heat test). In-depth characterization ...
The concept of using solar cells to power devices such as AUVs has been around since the late 1990s. Blidberg and colleagues used two 30 W multicrystalline Si solar panels, each with an area of 0. ...
TEM characterization. An in situ bending test of a c-Si foil was conducted on an FEI Tecnai F30 TEM system using an electrical holder from PicoFemto. ... Y. et al. Flexible organic solar cells ...
This laboratory experiment is designed to train undergraduate students in the fundamental steps followed in engineering solution-processed organic solar cells and to offer insight on the …
In the current article, we have established a step-by-step protocol for measurement of PCE of ESC devices by fabricating and testing organic solar cell …
From many perspectives, the most important solar cell characterization parameter is its energy conversion efficiency. A solar cell''s energy input is the energy contained in the illumination light. Most solar cells are intended for use with natural sunlight illumination which varies widely in intensity and spectrum.
As a standard, solar cells should be measured at a total illumination power of 1,000 W/m 2 (=100 mW/cm 2). Furthermore, the temperature should be 25 °C during the measurements. Concerning again the spectral distribution of the radiation, another relevant issue for the correct characterization of solar cells is spectral mismatch.
Characterization of Organic Solar Cell Devices and their Interfaces under Degradation: Imaging, Electrical and Mechanical Methods. ... (light soaking and damp heat test). In-depth characterization techniques were also employed in order to study the effect of degradation on the device structure and its interfaces. This was done by exploiting ...
quantum efficiency (EQE) of organic tandem solar cells1, ... characterization of organic tandem solar cells and to reduce the influence ... ASTM E2236–10 Standard test methods for measurement of
Organic semiconductors can be generally classified into two categories: small molecules or oligomers and polymers. Both, molecular and polymeric semiconductors, are carbon-based materials that present a backbone along which the carbon (or nitrogen, oxygen, sulfur, etc.) atoms are sp 2-hybridized, and thus remain a p-atomic orbital.The …
characterizing tandem organic solar cells''1. The described protocol is in accordance with ASTM E2236 standard test methods2 and we found it useful and easily adoptable.
This review paper emphasizes the importance of the parameter extraction stage for organic solar cell investigations by offering various device models and extraction methodologies.
Characterization of Organic Solar Cell Devices their Interfaces under Degradation: Imaging, Electrical and Mechanical Methods.Renewable energies are a critical and necessary technological development deeply connected to human evolution and even survival. The extraordinary technological development of the past century brought …
In organic solar cells, the charge-transfer (CT) electronic states that form at the interface between the electron-donor (D) and electron-acceptor (A) materials have a crucial role in exciton ...
The high efficiency all-small-molecule organic solar cells (OSCs) normally require optimized morphology in their bulk heterojunction active layers. Herein, a small-molecule donor is designed …
A correct determination of voltage losses is crucial for the development of organic solar cells with improved performance. This requires an in-depth understanding of the properties of interfacial ...