Organic solar cells (OSCs), as a type of lightweight, flexible, and solution-processable photovoltaics, have shown promising prospects in integrating with wearable clothes, smart electronics and ...
Based on the PM6:Y6 binary system, a novel non-fullerene acceptor material, D18-Cl, was doped into the PM6:Y6 blend to fabricate the active layer. The effects of different doping ratios of D18-Cl on organic solar cells were investigated. The best-performing organic solar cell was achieved when the doping ratio of D18-Cl reached 20 wt%.
Based on the PM6:Y6 binary system, there exists an optimal doping ratio of D18-Cl to PM6 that yields the best overall device performance. In this study, organic solar cells were prepared with different doping mass ratios of D18-Cl:PM6:Y6, specifically 0:1:1.2, 0.1:0.9:1.2, 0.2:0.8:1.2, and 0.3:0.7:1.2.
Finally, the best overall performance of the organic solar cell was achieved when the mass fraction of D18-Cl was 20 wt%. It exhibited a power conversion efficiency of 16.08%, which was an 18.9% improvement compared to the binary PM6:Y6 organic solar cell device.
The discovery of functional organic semiconductors introduced organic solar cells (OSCs) as a promising candidate for solar energy conversion, [ 1] owing to the high abundance of raw materials. The organic semiconductors show photovoltaic properties either in their single crystal form or in thin films.
The best-performing organic solar cell was achieved when the doping ratio of D18-Cl reached 20 wt%. It exhibited a short-circuit current of 28.13 mA/cm 2, a fill factor of 70.25%, an open-circuit voltage (Voc) of 0.81 V, and a power conversion efficiency of 16.08%.
This spacer is presumed to facilitate electron withdrawal while concurrently amplifying the effect of conjugation in the molecular structures. The cumulative effect of these modifications ostensibly contributes to the augmented performance of the compounds, rendering them propitious candidates for organic solar cell applications. Fig. 7.
Organic solar cells (OSCs), as a type of lightweight, flexible, and solution-processable photovoltaics, have shown promising prospects in integrating with wearable clothes, smart electronics and ...
How do organic solar cells work? The organic solar cell comprises a thin layer of organic semiconductor material. When sunlight hits the active layer, it excites electrons, creating electron-hole pairs. These electrons and holes are then separated and driven toward different electrodes by built-in electric fields within the cell. The electrons move toward the …
Here, we report an organic solar cell (OSC) by doping n-type DMBI-BDZC into one host binary bulk heterojunction (BHJ) photoactive layer comprised of a polymer donor …
[19, 33] In this work, we employ sol–gel-processed ETLs based on In-doped ZnO (IZO) in organic solar cells. Replacing Zn 2+ with In 3+ as a shallow donor results in the generation of extra free electrons, leading to an …
Organic solar cells have been fabricated using thermally evaporated bathocuproine (BCP) and ytterbium n-doped BCP (BCP:Yb) to modify the interfaces of active layer and cathode. The device with 10 nm BCP presents open-circuit voltage of 0.791 V and fill factor of 0.670, greater than those (0.785 V and 0.636) of the device with 10 nm BCP:Yb ...
Organic photovoltaic (OPV) cells, also known as organic solar cells, are a type of solar cell that converts sunlight into electricity using organic materials such as polymers and small molecules. 83,84 These materials are …
This paper investigates the effects of doping a novel non-fullerene material, D18-Cl, into the PM6:Y6 binary system and its impact on the performance of organic solar cells. Different doping ratios of D18-Cl are examined. The analysis of metallographic and AFM diagrams reveals several improvements in the organic solar cell resulting from the ...
Extremely efficient flexible organic solar cells with a doped graphene transparent anode are demonstrated. 3 layer graphene is determined to be optimal for the cell design. A 0.2 cm 2 cell achieves a high power conversion efficiency of 6.85%.
Doping effects on organic lateral photovoltaic cells with separated carrier-generating and doped carrier-transporting layers are investigated. A doping concentration of 100 ppm into the lateral hole and electron transporting layers doubles the photocurrent density by forming a built-in potential between the layers in the vertical ...
Solar energy plays a pivotal role in addressing energy challenges, and photovoltaic (PV) cells are among the most commonly utilized apparatus for converting solar energy [1].Recently, bulk heterojunction (BHJ) organic solar cells (OSCs) have escalated in popularity owing to their reduced production expenditures, straightforward production process, and inherent material …
Herein, we report a strategy of doping with an organic molten salt, cyclohexylamine trifluoroacetic acid (CYTFA), to stabilize doped Spiro-OMeTAD for high …
Here we report a fast and reproducible doping method that involves bubbling a spiro-OMeTAD:LiTFSI solution with CO 2 under ultraviolet light. CO 2 obtains electrons from photoexcited...
1 Introduction. Non-fullerene organic solar cells (NF-OSCs) have witnessed a remarkable breakthrough in power conversion efficiency (PCE) that is on the verge of 20%, [] evoking more enthusiasm for the application-oriented research. Taking advantage of the exclusive merits of high transparency and colorful aesthetics, OSCs are particularly competitive on (semi …
for efficient organic solar cells Qian Kang,1 Zhong Zheng,1 Yunfei Zu,1 Qing Liao,1 Pengqing Bi,1 Shaoqing Zhang,2 Yi Yang,1 Bowei Xu,1, *and Jianhui Hou1,3, SUMMARY At present, PEDOT:PSS and MoO 3 are the most widely used hole transport layer (HTL) in organic solar cells (OSCs); however, some drawbacks still limit their practical use. In this ...
Lightweight and semi-transparent organic solar cells (ST-OSCs) offer bright promise for applications such as building integrated photovoltaics. Diluting donor content in bulk-heterojunction active layers to allow greater visible light transmittance (AVT) effectively enhances device transparency, yet the ineluctable compromise of the ...
Doping effects on organic lateral photovoltaic cells with separated carrier-generating and doped carrier-transporting layers are investigated. A doping concentration of 100 ppm into the lateral hole and …
2.1 Additive in Perovskite Materials, ETLs/HTLs. In 2018, Guo et al. first reported addition of Ti 3 C 2 T x into the MAPbI 3-based perovskite absorber [], initiating exploration of the MXenes'' application in solar cells.Their study indicates that addition of Ti 3 C 2 T x can retard the nucleation process of MAPbI 3 (see the schematic diagram in Fig. 2a), …
Here, we report an organic solar cell (OSC) by doping n-type DMBI-BDZC into one host binary bulk heterojunction (BHJ) photoactive layer comprised of a polymer donor PM6 and a nonfullerene acceptor Y6. The resulting champion device yields a significantly improved power conversion efficiency from 17.17% to 18.33% with an impressive ...
Solar energy plays a pivotal role in addressing energy challenges, and photovoltaic (PV) cells are among the most commonly utilized apparatus for converting solar energy [1].Recently, bulk …
Herein, we report a strategy of doping with an organic molten salt, cyclohexylamine trifluoroacetic acid (CYTFA), to stabilize doped Spiro-OMeTAD for high-performance PSCs. We found that Li + diffusion and TBP volatilization were effectively suppressed through strong interactions of dissociated CY + and TFA − acting on TBP and Li + .
The applied sequential doping is mainly found to affect the number of background carriers and the charge transport balance in the doped OSCs, with which carrier extraction is promoted with reduced charge recombination. The results …
Here we report a fast and reproducible doping method that involves bubbling a spiro-OMeTAD:LiTFSI solution with CO 2 under ultraviolet light. CO 2 obtains electrons from photoexcited...
This paper investigates the effects of doping a novel non-fullerene material, D18-Cl, into the PM6:Y6 binary system and its impact on the performance of organic solar cells. Different doping ratios of D18-Cl are …
Electronic doping of organic semiconductors is essential for their usage in highly efficient optoelectronic devices. Although molecular and metal complex-based dopants have already enabled ...
All-small organic solar cells (ASM OSCs) inherit the advantages of the distinct merits of small molecules, such as well-defined structures and less batch-to-batch variation.
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