Perylene diimide derivatives with diverse ionic functionality as cathode interlayer for ZnO-free inverted non-fullerene organic solar cells

Salma, Sabrina Aufar; Nisa, Qurrotun Ayuni Khoirun; Nasrun, Rahmatia Fitri Binti; Son, Dong Hwan; Kim, Joo Hyun

doi:10.1016/j.mtener.2023.101297

Cited by 5 publications

(3 citation statements)

References 46 publications

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“…Recently, it has also demonstrated that, through rational molecular design, the SPS-based CILs can act as electron acceptors, contributing to the additional photocurrents for OSCs. [64,65] In addition to photo-electric conversion efficiency, several SPS-based CILs are endowed with good resistance to moisture ingress and ultraviolet (UV)-light damage, which greatly improve the long-term stability of OSCs under operational conditions. [66,67] Overall, the diversity in material design and chemical modification endows SPS materials with great opportunities to optimize their performances, making the SPSs promising candidates in developing efficient CIL materials.…”

Section: The Superiority Of Semiconductor Materials To Interfacial Di...mentioning

confidence: 99%

Solution‐Processed Semiconductor Materials as Cathode Interlayers for Organic Solar Cells

Xiang,

Xu,

2023

Advanced Science

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Cathode interlayers (CILs) play a crucial role in improving the photovoltaic efficiency and stability of OSCs. CILs generally consists of two kinds of materials, interfacial dipole‐based CILs and SPS‐based CILs. With good charge transporting ability, excellent compatibility with large‐area processing methods, and highly tunable optoelectronic properties, the SPS‐based CILs exhibit remarkable superiorities to their interfacial dipole‐based counterparts in practical use, making them promising candidate in developing efficient CILs for OSCs. This mini‐review highlights the great potential of SPS‐based CILs in OSC applications and elucidates the working mechanism and material design strategy of SPS materials. Afterward, the SPS‐based CIL materials are summarized and discussed in four sections, including organic small molecules, conjugated polymers, nonconjugated polymers, and TMOs. The structure‐property‐performance relationship of SPS‐based CIL materials is revealed, which may provide readers new insight into the molecular design of SPS‐based CILs. The mechanisms to endow SPS‐based CILs with thickness insensitivity, resistance to environmental erosion, and photo‐electric conversion ability are also elucidated. Finally, after a brief summary, the remaining issues and the prospects of SPS‐based CILs are suggested.

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Section: The Superiority Of Semiconductor Materials To Interfacial Di...mentioning

confidence: 99%

Solution‐Processed Semiconductor Materials as Cathode Interlayers for Organic Solar Cells

Xiang,

Xu,

2023

Advanced Science

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“…The ionic charges offer polyelectrolytes a straightforward process for a action between molecules and fine-tuning the optical properties [25]. Ad interface properties can be finely tuned by different types of counteranio search has demonstrated that the WF of electrodes and ZnO can be modifi the counteranion [5,[26][27][28]. Polyelectrolytes with various CAs have been u imize the collection of charge capability at the cathode interface [29].…”

Section: Introductionmentioning

confidence: 99%

“…Additionally, the interface properties can be finely tuned by different types of counteranions (CAs). Research has demonstrated that the WF of electrodes and ZnO can be modified by varying the counteranion [ 5 , 26 , 27 , 28 ]. Polyelectrolytes with various CAs have been utilized to maximize the collection of charge capability at the cathode interface [ 29 ].…”

Section: Introductionmentioning

confidence: 99%

Novel Polyelectrolytes Based on Naphthalene Diimide with Different Counteranions for Cathode Interlayers in Polymer Solar Cells

Nasrun,

Son,

Kim

2023

IJMS

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We synthesized novel polyelectrolytes based on naphthalene diimide with quaternary amine featuring hydroxyl groups at the side chain, along with different counteranions (PF-NDIN-Br-OH and PF-NDIN-I-OH) for polymer solar cell (PSC) application as the interlayer. The polyelectrolytes establish a beneficial interface dipole through the ionic moieties and synergistic effects arising from the hydroxyl groups located at the side chain. Incorporating polyelectrolytes as the cathode interlayer resulted in an enhancement of the power conversion efficiency (PCE). The PCE of the device with PF-NDIN-Br-OH increased from 8.96% to 9.51% compared to the ZnO-only device. The best PCE was obtained with the device based on PF-NDIN-I-OH, up to 9.59% resulting from the Jsc enhancement. This outcome implies a correlation between the performance of the device and the synergistic effects observed in polyelectrolytes containing hydroxyl groups in the side chain, along with larger anions when employed in PSCs.

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Stable Organic Solar Cells Enabled by Simultaneous Hole and Electron Interlayer Engineering

Hadmojo,

Isikgor,

Lin

et al. 2024

Energy & Environ Materials

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The development of high‐performance organic solar cells (OSCs) with high operational stability is essential to accelerate their commercialization. Unfortunately, our understanding of the origin of instabilities in state‐of‐the‐art OSCs based on bulk heterojunction (BHJ) featuring non‐fullerene acceptors (NFAs) remains limited. Herein, we developed NFA‐based OSCs using different charge extraction interlayer materials and studied their storage, thermal, and operational stabilities. Despite the high power conversion efficiency (PCE) of the OSCs (17.54%), we found that cells featuring self‐assembled monolayers (SAMs) as hole‐extraction interlayers exhibited poor stability. The time required for these OSCs to reach 80% of their initial performance (T80) was only 6 h under continuous thermal stress at 85 °C in a nitrogen atmosphere and 1 h under maximum power point tracking (MPPT) in a vacuum. Inserting MoOx between ITO and SAM enhanced the T80 to 50 and ~15 h after the thermal and operational stability tests, respectively, while maintaining a PCE of 16.9%. Replacing the organic PDINN electron transport layer with ZnO NPs further enhances the cells' thermal and operational stability, boosting the T80 to 1000 and 170 h, respectively. Our work reveals the synergistic roles of charge‐selective interlayers and device architecture in developing efficient and stable OSCs.

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Perylene diimide derivatives with diverse ionic functionality as cathode interlayer for ZnO-free inverted non-fullerene organic solar cells

Cited by 5 publications

References 46 publications

Solution‐Processed Semiconductor Materials as Cathode Interlayers for Organic Solar Cells

Solution‐Processed Semiconductor Materials as Cathode Interlayers for Organic Solar Cells

Novel Polyelectrolytes Based on Naphthalene Diimide with Different Counteranions for Cathode Interlayers in Polymer Solar Cells

Stable Organic Solar Cells Enabled by Simultaneous Hole and Electron Interlayer Engineering

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