In 2018, solar cells supplied 2% of the global electricity demand. This must be increased over 20%; therefore, organic solar cells with inherent cost-reducing abilities are indispensable. ... and perovskite had reached their intrinsic limit and were almost saturated in 2020, while those of organic and quantum dot cells continue to increase in ...
A solvent additive strategy has been employed to reduce voltage loss (Vloss) in high-efficiency organic solar cells (OSCs). The use of diiodomethane led to a reduced Vloss, and the corresponding device yielded a high efficiency of 18.60% (certified value of 18.20%), with an open-circuit voltage of 0.893 V, representing the highest …
Organic solar cells (OSC) nowadays match their inorganic competitors in terms of current production but lag behind with regards to …
1. Introduction. Power conversion efficiency (PCE) of >10% for both single junction and tandem organic solar cells (OSCs) has been demonstrated recently [1], [2] through continued progresses made in both new material development and device innovation. However, the performance of OSCs still faces a major challenge to overcome …
Bulk heterojunction (BHJ) organic solar cells (OSCs) have attracted extensive attention due to their great potential in fabricating large-area solar panels and colorful semi-transparent devices through high-throughput printing techniques. 1–3 In the past few years, the OSCs have made great progress in the power conversion efficiency …
Single perylene diimide (PDI) used as a non-fullerene acceptor (NFA) in organic solar cells (OSCs) is enticing because of its low cost and excellent stability. To improve the photovoltaic performance, it is vital to narrow the bandgap and regulate the stacking behavior. To address this challenge, we synthesize soluble …
Solar cells are usually optimized for the unidirectional electron flow, so the presented effect is of less importance, but it seems to be crucial for photocatalytic processes, which involve ...
The continuous development of improved non-fullerene acceptors and deeper knowledge of the fundamental mechanisms governing performance underpin the vertiginous increase in efficiency witnessed by organic …
The inability to accurately measure the charge-generating energy states in organic solar cells makes elucidating the photovoltaic effect in these devices difficult. Here, the authors report charge ...
In organic solar cells, the photocurrent jph can depend on the voltage due to Onsager-Braun dissociation of excitons into free carriers [Mih04]. In perovskite solar cells the concept of ideality factor is controversial since …
Recently, organic solar cells have surpassed 17% 1,2 power conversion efficiency (PCE) in single-absorber layer bulk heterojunction (BHJ) devices based upon non-fullerene electron acceptor systems ...
Organic solar cells (OSCs) have many advantages for high-value applications such as portable photovoltaics (PV), vehicle-integrated photovoltaics (VIPV), and building-integrated photovoltaics ...
Additive-assisted layer-by-layer (LBL) deposition affords interpenetrating fibril network active layer morphology with a bulk p-i-n feature and proper vertical …
Non-fullerene solar cells have shown a remarkable development with the device efficiency exceeding 17%. Here, we utilized in-situ measurements, including magnetic field effects of photocurrent and …
The generation of photocurrent in the organic solar cell can be overall described by the following processes: (i) light absorption and exciton formation, (ii) …
Organic solar cells (OSCs) have been recognized to have tremendous potential as alternatives to their inorganic counterparts, with devices that are low-cost, lightweight, and easily processed and …
In organic solar cells, bimolecular recombination is a key factor limiting the device performance and creating the need for characterization. Light-intensity-dependent short-circuit current density …
Organometallic perovskite solar cells exhibit good efficiency but their photostability is still relatively poorly understood and controlled. Here the authors show that photo-degradation arises ...
High performance and high stability are the urgent requirement for the potential commercial application of organic solar cells (OSCs). Electrode buffer layers have important influence on the photovoltaic performance and stability of OSCs. In this study, non-fullerene bulk heterojunction OSCs were prepared with molybdenum oxide (MoO3) …
Energy Procedia 18 ( 2012 ) 1601 â€" 1610 1876-6102 © 2012 Published by Elsevier Ltd. Selection and/or peer review under responsibility of The TerraGreen Society. doi: 10.1016/j.egypro.2012.05.096 Solar cells parameters evaluation from dark I-V characteristics K. Bouzidia, M. Chegaara and M. Aillerieb aDepartment of Physics, …
We achieve a photocurrent density of 15.1 mA cm−2 at 1.23 V vs. reversible hydrogen electrode (RHE) with an onset potential of 0.55 V vs. RHE and a record high half-cell solar-to-hydrogen ...
An analysis of the saturation current in solar cells is presented. Based on this analysis we conclude that the factor A which appears in the Shockley equation is material independent and that A ...
The results we present here are, in general, not only important for determining predominant recombination loss mechanisms needed to optimize device …
An organic solar cell (OSC[1]) or plastic solar cell is a type of photovoltaic that uses organic electronics, a branch of electronics that deals with conductive organic polymers or small organic molecules, [2] for light …
Abstract. The continuous development of improved non-fullerene acceptors and deeper knowledge of the fundamental mechanisms governing performance underpin the vertiginous increase in efficiency witnessed by …
Organic solar cells (OSCs) have attracted considerable attention owing to their attractive application in lightweight, flexible, and semitransparent photovoltaic technology. ... ≥ 1.5 V), it is assumed that all photo-generated excitons are dissociated and charges are collected, resulting in a saturated photocurrent density (J sat). The charge ...
Herein, the thin film was tested in organic solar cells; the photovoltaic response pointed out that the dipole character of the nanohybrid enhances the fill factor and open circuit voltage ...
Carrier drift mobility is an important physical constant in the charge transport process of organic solar cells (OSCs).
There is an urgent need to replace the present fossil-based energy production with sustainable energy sources. Thin-film solar cells and organic photovoltaics (OPV) in particular are technologies ...
As depicted in Figure 2 E, for both of the binary and ternary all-PSCs, the J ph reaches saturated photocurrent density (J sat) ... 16% efficiency all-polymer organic solar cells enabled by a finely tuned morphology via the design of ternary blend. Joule, 5 (2021), pp. 914-930.
The increase in the performance of organic solar cells observed over the past few years has reinvigorated the search for a deeper understanding of the loss and ... Experimental setup required to measure the transient photovoltage and transient photocurrent (TPV/TPC) of a solar cell as well as schematic depiction how to ...
Semitransparent organic photovoltaics (STOPVs) have attracted considerable attention due to their potential applications like building-integrated, agricultural, and floating photovoltaics. Tracking …
Beginner''s guide to visual analysis of perovskite and organic solar cell current density-voltage characteristics Albert These 1,2, L. Jan Anton Koster 3, Christoph J. Brabec 1,4, and Vincent ... Hereby, Iph is the photocurrent which is gener-ated by the incident light on the SC, I0 is the sat-uration current related to recombination, q the
The space charge limit (SCL) effect is a universal phenomenon in semiconductor devices involving light emitting diodes, solar cells and photodetectors 1,2,3,4,5,6,7,8,9 also sets a fundamental ...
1. Introduction. Organic photovoltaics (OPVs) have attracted significant research attention due to their potential benefits, such as cost-effectiveness, lightweight construction, mechanical flexibility, and feasibility for large-scale production 1, 2.Thanks to notable progress in photo-active organic materials, particularly those based on Y6 …
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