Vertical separation of solar cells
Achieving finely tuned phase separation and vertical distribution within the photoactive layer is crucial for enhancing charge transport, thereby significantly influencing the photovoltaic performance of organic solar …
Optimizing Phase Separation and Vertical Distribution …
Achieving finely tuned phase separation and vertical distribution within the photoactive layer is crucial for enhancing charge transport, thereby significantly influencing the photovoltaic performance of organic solar …
Graded vertical phase separation of donor/acceptor species for …
The donor/acceptor inter-mixing in bulk heterojunction (BHJ) solar cells is a critical parameter, often leading to irreproducible performance of the finished device. An alternative solution-processed device fabrication strategy towards a better control of the micro/nano-structured morphology consists of a sequential coating of the donor (e.g., poly-(3 …
Efficient Inverted PM6:Y6 Solar Cells with Tuned Lateral Phase ...
DOI: 10.1016/j.cej.2023.143289 Corpus ID: 258479415; Efficient Inverted PM6:Y6 Solar Cells with Tuned Lateral Phase Separation and Vertical Composition Distribution via Bis(5-chlorothiophen-2-yl)alkane Additives
Thermally induced vertical phase separation and photovoltaic ...
Polymer solar cells (PSCs) are attracting considerable attention owing to their light weight, flexibility, and low-cost solution processing. 1 – 3) The active layers of PSCs have a phase-separated morphology, which is referred to as a bulk heterojunction (BHJ) morphology. This BHJ morphology is considered to play a key role in achieving high efficiency. 3)
High-performance vertical field-effect organic photovoltaics
The device efficiency of organic solar cells is usually limited by the inherent energy loss during carrier transport. Here, authors integrate bulk heterojunction organic photovoltaic with vertical ...
Vertical phase separation in bulk heterojunction solar cells …
Vertical phase separation of the donor and the acceptor in organic bulk heterojunction solar cells is crucial to improve the exciton dissociation and charge transport …
(PDF) Vertical phase separation in bulk heterojunction …
Vertical phase separation of the donor and the acceptor in organic bulk heterojunction solar cells is crucial to improve the exciton dissociation and charge transport efficiencies.
Power losses in conventional and inverted non-polymeric …
The performance of bulk heterojunction (BHJ) organic solar cells can be affected by a range of factors including the materials combination, processing solvent, post deposition annealing, and/or whether they are used in a conventional or inverted architecture. In this study we compared conventional and inverted BHJ solar cells composed of a non-polymeric donor …
Vertical plane depth‐resolved surface potential and carrier separation ...
A class AAA solar simulator, which was described in IEC 60904-9, and a WPVS-packaged calibrated reference solar cell as described in IEC 60904-2 were used. In addition, KIER certified the calibration of the reference solar cell. For the voltage scan, the average of 4 IV curves was obtained from forward and reverse voltage sweeps.
Balancing the Molecular Aggregation and Vertical Phase …
Enables 13.09% Efficiency of Organic Solar Cells with Inkjet-Printed Active Layer Xingze Chen, Rong Huang, Yunfei Han, Wusong Zha, Jin Fang, Jian Lin, Qun Luo,* Zheng Chen, and Chang-Qi Ma ... nanophase separation and vertical phase separation morphology. In this work, the nanophase separation of the inkjet-printed organic blend films is ...
Balancing the Molecular Aggregation and Vertical Phase Separation …
Drop‐on demand inkjet‐printing (IJP) is a deposition technique with promise in the context of fabricating large‐area organic solar cells (OSCs) because of its high material usage, direct‐pattern, and large‐area roll‐to‐roll printing compatibility. But its feature of drop‐to‐drop deposition during IJP makes the film''s drying and phase separation process …
Manipulating Vertical Phase Separation Enables Pseudoplanar ...
Controlling vertical phase separation of the active layer to enable efficient exciton dissociation and charge carrier transport is crucial to boost power conversion efficiencies (PCEs) of pseudoplanar heterojunction (PPHJ) organic solar cells (OSCs).
Vertically optimized phase separation with improved exciton …
Exciton diffusion length and graded vertical phase separation of the active layer play a critical role in the realization of high-performance thick-film organic solar cells (OSCs).
Effect of Donor-Acceptor Vertical Composition Profile …
In organic bulk heterojunction solar cells (OSCs) donor-acceptor vertical composition profile is one of the crucial factors that affect power-conversion efficiency (PCE).
Effect of Donor-Acceptor Vertical Composition Profile on Performance …
Vertical Phase Separation in Poly(3-hexylthiophene): Fullerene Derivative Blends and its Advantage for Inverted Structure Solar Cells. Advanced Functional Materials 19, 1227–1234 (2009).
Regulation of Crystallinity and Vertical Phase …
The strategy is applied to fabricate pseudo‐planar heterojunction (PPHJ) organic solar cells with ideal vertical phase separation through SD processing. The champion PPHJ device obtains high ...
Manipulating Vertical Phase Separation Enables Pseudo-Planar ...
Although suitable vertical phase separation morphology in organic solar cells (OSCs) can be obtained by the donor/acceptor sequential deposition (SD) method, the lack of precisely adjusting ...
Solar Cells: Electrical Performance of Organic Solar Cells with ...
Request PDF | Solar Cells: Electrical Performance of Organic Solar Cells with Additive-Assisted Vertical Phase Separation in the Photoactive Layer (Adv. Energy Mater. 2/2014) | Understanding the ...
Control of vertical phase separation in high performance non …
Non-fullerene organic solar cell (NFOSC) has attracted tremendous attention due to their great potential for commercial applications. To improve its power conversion efficiency (PCE), generally, sequential solution deposition (SSD) methods have been employed to construct the graded vertical phase separation (VPS) of the bulk-heterojunction (BHJ) active layer for …
Electrical performance of organic solar cells with additive-assisted ...
Electrical performance of organic solar cells with additive-assisted vertical phase separation in the photoactive layer. Min Kim, Joo Hyun Kim, Hyun Ho Choi, Jong Hwan Park ... Understanding the vertical phase separation of donor and acceptor compounds in organic photovoltaics is requisite for the control of charge transport behavior and the ...
Nanoimprint Lithography‐Dependent Vertical Composition …
Although suitable vertical phase separation morphology in organic solar cells (OSCs) can be obtained by the donor/acceptor sequential deposition (SD) method, the lack of precisely adjusting ...
Critical Role of Vertical Phase Separation in Small-Molecule …
DOI: 10.1021/acsami.8b00886 Corpus ID: 206481427; Critical Role of Vertical Phase Separation in Small-Molecule Organic Solar Cells. @article{Fang2018CriticalRO, title={Critical Role of Vertical Phase Separation in Small-Molecule Organic Solar Cells.}, author={Jin Fang and Dan Deng and Zaiyu Wang and Muhammad Abdullah Adil and Tong Xiao and Yuheng Wang and …
Graded bulk-heterojunction enables 17% binary organic solar cells …
Graded bulk-heterojunction (G-BHJ) with well-defined vertical phase separation has potential to surpass classical BHJ in organic solar cells (OSCs). In this work, an effective G-BHJ strategy via ...
Manipulating Vertical Phase Separation Enables Pseudoplanar ...
Controlling vertical phase separation of the active layer to enable efficient exciton dissociation and charge carrier transport is crucial to boost power conversion efficiencies (PCEs) of pseudoplanar heterojunction (PPHJ) organic solar cells (OSCs). However, how to optimize the vertical phase separ …
13.2% Efficiency of Organic Solar Cells by Controlling Interfacial ...
Two strategies were investigated to improve the efficiency of organic solar cells (OSCs) with the aim of controlling the interfacial resistance in the devices: the use of a ternary active layer and the introduction of conjugated polymers. The ternary active layer was formed by introducing PC71BM between a high-performance non-fullerene photoactive material P(Cl–Cl) …
Power losses in conventional and inverted non-polymeric …
Control of vertical phase separation in high performance non-fullerene organic solar cell by introducing oscillating stratification preprocessing Nano Res., 14 ( 2021 ), p. 1319, 10.1007/s12274-020-3169-y
Synergistic control of multilength-scale morphology and vertical …
Controlling the morphology of organic solar cells (OSCs) presents a significant challenge due to their complex structure and composition. In particular, attaining synergistic …
Synergistic control of multilength-scale morphology and vertical …
Controlling the morphology of organic solar cells (OSCs) presents a significant challenge due to their complex structure and composition. In particular, attaining synergistic control over the multi-length-scale morphology and vertical phase separation poses a substantial obstacle to the advancement of OSC technology. Here, we designed and synthesized two Y-series acceptors, …
(PDF) Vertical phase separation in bulk heterojunction solar cells ...
Vertical phase separation of the donor and the acceptor in organic bulk heterojunction solar cells is crucial to improve the exciton dissociation and charge transport efficiencies. This is …
Graded vertical phase separation of donor/acceptor species for …
Fig. 1 shows the current density–voltage curves (under illumination and in the dark) of the as-cast DB, annealed DB and standard BHJ solar cells with the best performance. The photovoltaic performances are summarized in Table 1 together with the values averaged over the set of devices tested. The annealed DB device exhibits a maximum PCE of 3.60% under …
Systematically Controlling Acceptor Fluorination Optimizes Hierarchical ...
Systematically Controlling Acceptor Fluorination Optimizes Hierarchical Morphology, Vertical Phase Separation, and Efficiency in Non-Fullerene Organic Solar Cells. Xiaohua Zhang, Xiaohua Zhang. State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science ...
Power losses in conventional and inverted non-polymeric …
Vertical phase separation of the donor and the acceptor in organic bulk heterojunction solar cells is crucial to improve the exciton dissociation and charge transport efficiencies.
Vertical Stratification Engineering for Organic Bulk …
Control of vertical phase separation in high performance non-fullerene organic solar cell by introducing oscillating stratification preprocessing. Nano Research 2021, 14 (5), 1319-1325.