Vacuum deposition is a solvent-free method suitable for growing thin films of metal halide perovskite (MHP) semiconductors. However, most reports of high-efficiency solar cells based on such vacuum-deposited …
Compared to bulk heterojunction (BHJ) organic solar cells (OSCs) prepared by the blend casting in “one step process”, sequential deposition (SD) processed OSCs can realize an ideal profile of vertical component distribution due to the swelling of polymer films.
High-speed deposition of organic solar cells is crucial to manufacturing, yet it remains a challenge. Now, Sun et al. show that layer-by-layer deposition holds potential for speeding up the fabrication of solar cells while retaining high efficiency.
We also highlight some key research directions that can help enhance the efficiency and stability of LBL OSCs for their potential applications in the future. Layer-by-layer (LBL) deposition using solution processing is a promising technique for fabricating organic solar cells (OSCs) with high efficiency and stability.
Therefore, it is important to develop materials or processing methods that enabled highly efficient organic solar cells processed by halogen free solvents. In this paper, we report an innovative processing method named auxiliary sequential deposition that enables 19%-efficiency organic solar cells processed by halogen free solvents.
Organic solar cells (OSCs) have seen great progress in power conversion efficiencies (PCEs) recently. However, morphology tuning of the active layer remains challenging toward 20% mark. Layer-by-layer (LBL) approach is a newer way to tune morphology and achieve phase separation vertically.
The commercialization of organic solar cells (OSCs) encompasses overcoming hurdles related to efficiency, stability, cost, and complexity of device fabrication techniques. The elaborate sequential deposition (SD) process for fabricating charge-transport and photoactive layers stands out as a critical challenge.
Vacuum deposition is a solvent-free method suitable for growing thin films of metal halide perovskite (MHP) semiconductors. However, most reports of high-efficiency solar cells based on such vacuum-deposited …
Organic photovoltaic (OPV) cells are considered as the third-generation solar cells which present new material such as organic polymer and tandem solar cells. In this work, we give a brief review of OPV cells with …
The key to developing highly efficient organic solar cells (OSCs) hinges on crafting a photoactive layer with a bulk heterojunction (BHJ) structure. In this study, we fabricated a BHJ via sequential deposition (SqD), employing …
19%-efficiency organic solar cells processed from halogen-free solvents Siwei Luo 1,10,ChaoLi 1,2,10, Jianquan Zhang 3,10, Xinhui Zou 1,4,10, Heng Zhao 5,
Layer-by-layer (LBL) deposition using solution processing is a promising technique for fabricating organic solar cells (OSCs) with high efficiency and stability. In comparison with bulk-heterojunction (BHJ) structures, in the LBL method, the donor (D) and acceptor (A) materials are deposited sequentially, pr Recent Review Articles
In this paper, we report an innovative processing method named auxiliary sequential deposition that enables 19%-efficiency organic solar cells processed by halogen free solvents.
This study introduces a novel self-assembling deposition (SAD) method utilizing synthesized molecules BPC-M, BPC-Ph, and BPC-F, simplifying the fabrication while achieving high-performance of organic solar cells (OSCs). BPC-M notably enhances power conversion efficiency to 19.3%, highlighting the balance of thermodynamic forces and ...
Layer-by-layer (LBL) deposition using solution processing is a promising technique for fabricating organic solar cells (OSCs) with high efficiency and stability. In comparison with bulk-heterojunction (BHJ) structures, in the …
Herein, highly efficient organic solar cells (OSCs), in the inverted structure (n-i-p), are demonstrated by using as electron transport layer (ETL) tin oxide (SnO 2) deposited by atomic layer deposition (ALD). ALD is an industrial grade technique which can be applied at the wafer level and also in a roll-to-roll configuration. A champion power conversion efficiency …
This study introduces a novel self-assembling deposition (SAD) method utilizing synthesized molecules BPC-M, BPC-Ph, and BPC-F, simplifying the fabrication while achieving high-performance of organic solar cells (OSCs). BPC-M notably enhances power conversion efficiency to 19.3%, highlighting the balance of thermodynamic forces and intermolecular …
Organic solar cells (OSCs) have seen great progress in power conversion efficiencies (PCEs) recently. However, morphology tuning of the active layer remains challenging toward 20% mark. Layer-by-layer (LBL) approach is a newer way to tune morphology and achieve phase separation vertically.
High-speed deposition of organic solar cells is crucial to manufacturing, yet it remains a challenge. Now, Sun et al. show that layer-by-layer deposition holds potential for …
Additive-assisted layer-by-layer (LBL) deposition affords interpenetrating fibril network active layer morphology with a bulk p-i-n feature and proper vertical segregation in …
Power-conversion-efficiencies (PCEs) of organic solar cells (OSCs) in laboratory, normally processed by spin-coating technology with toxic halogenated solvents, have reached over 19%. However, there is usually a marked PCE drop when the blade-coating and/or green-solvents toward large-scale printing are used instead, which hampers the practical development of …
Additive-assisted layer-by-layer (LBL) deposition affords interpenetrating fibril network active layer morphology with a bulk p-i-n feature and proper vertical segregation in organic solar cells (OSCs). This approach captures the balance between material interaction and crystallization that locks the characteristic length scales at tens of ...
A double-bulk heterojunction active layer structure for organic solar cell (OSC) is constructed by sequential deposition of a PM6:L8-BO blend on top of a D18-Cl:BTP-eC9 blend, in which the optimal mo...
The compromise between power conversion efficiency (PCE) and average visible transmittance (AVT) poses a big challenge for high performance semitransparent organic solar cells (ST-OSCs). Herein, a …
Organic solar cells (OSCs) have seen great progress in power conversion efficiencies (PCEs) recently. However, morphology tuning of the active layer remains …
In this paper, we report an innovative processing method named auxiliary sequential deposition that enables 19%-efficiency organic solar cells processed by halogen free solvents.
This study introduces a novel self-assembling deposition (SAD) method utilizing synthesized molecules BPC-M, BPC-Ph, and BPC-F, simplifying the fabrication while achieving high-performance of organic solar cells …
Organic–inorganic hybrid perovskite solar cells (PSCs) have received much attention with their rapid progress during the past decade, coming close to the point of commercialization. Various approaches in the process of PSC development have been explored with the motivation to enhance the solar cell power conversion efficiency—while maintaining good device stability …
A double-bulk heterojunction active layer structure for organic solar cell (OSC) is constructed by sequential deposition of a PM6:L8-BO blend on top of a D18-Cl:BTP-eC9 blend, in which the optimal mo...
High-speed deposition of organic solar cells is crucial to manufacturing, yet it remains a challenge. Now, Sun et al. show that layer-by-layer deposition holds potential for speeding up...
The compromise between power conversion efficiency (PCE) and average visible transmittance (AVT) poses a big challenge for high performance semitransparent organic solar cells (ST-OSCs). Herein, a molecular weight-regulated efficient sequential deposition (SD) strategy is first employed to improve the perfor
The wonderful result suggests that solvent swelling in a solution-based sequential deposition process can assist the gradient phase distribution in vertical direction, and this is a promising strategy to achieve high-efficient …
The key to developing highly efficient organic solar cells (OSCs) hinges on crafting a photoactive layer with a bulk heterojunction (BHJ) structure. In this study, we fabricated a BHJ via sequential deposition (SqD), employing a PM6 polymer and Y6 small molecules as the donor and acceptor materials, respectively. Renowned for their ...
The wonderful result suggests that solvent swelling in a solution-based sequential deposition process can assist the gradient phase distribution in vertical direction, …
The homojunction tandem organic solar cell is a prototypical organic tandem structure designed to boost the efficiency of a single device by improving absorption and charge extraction [48]. Theoretically, increasing the film thickness of single junction organic solar cell can achieve a higher J SC, however the lower FF limits the PCE due to recombination losses …
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