Polydopamine/ZnO electron transport layers enhance charge extraction in inverted non-fullerene organic solar cells

Ahmad, Nafees; Zhang, Xuning; Yang, Shuo; Zhang, Dongyang; Wang, Jianqiu; Zafar, Saud Uz; Li, Yanxun; Zhang, Yuan; Hussain, Sabir; Cheng, Zhihai; Kumaresan, A.; Zhou, Huiqiong

doi:10.1039/c9tc02781e

Cited by 45 publications

(25 citation statements)

References 53 publications

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“…The photocatalytic effect of Ph‐BDP was also studied in NF‐OSCs using PM6:IT‐4F based BHJ. Ahmad et al 224 introduced a new strategy to modify the ZnO. He incorporated the polydopamine (PDA) at the bottom of the ZnO electron transport layer in NF‐OSCs for the first time.…”

Section: Cathode Interlayer Materialsmentioning

confidence: 99%

Recent progress in cathode interlayer materials for non‐fullerene organic solar cells

Ahmad

Zhou

Fan

et al. 2021

EcoMat

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Non‐fullerene acceptors are currently a hot research area in the development of organic solar cells (OSCs). At present, the‐state‐of‐the‐art power conversion efficiency (PCE) of non‐fullerene organic solar cells (NF‐OSCs) with single and multiple‐junction has surpassed 18% and 19%, respectively. The cathode interlayer (CIL) plays a significant role in the improvement of PCE and the stability of OSCs. Recently, a large number of CIL materials have been employed in OSCs. This review summarizes the recent progress of CIL materials and systematically describes their impact on the device efficiency and stability in single‐junction NF‐OSCs. Firstly, the functions, key requirements, and distinctive features of CILs when used in NF‐OSCs are summarized. Afterward, some big families of materials including metal oxides, metal salts/complexes, small molecules, polymers, composites/hybrids are presented as CIL for NF‐OSCs. Finally, the scale‐up techniques, conclusion, and future challenges regarding CIL in NF‐OSCs are elucidated.

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Section: Cathode Interlayer Materialsmentioning

confidence: 99%

Recent progress in cathode interlayer materials for non‐fullerene organic solar cells

Ahmad

Zhou

Fan

et al. 2021

EcoMat

Self Cite

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“…In parallel, Ahmad et al developed the idea of improving the performance of ZnO by introducing an very thin PDA layer between the glass/ITO electrode and the ZnO film. [308] They found that the introduction of a 10 nm film leads to improving PCE due to a better morphology given by the crystallinity and the crystal orientation in ZnO structure. These devices (ITO/ PDA-10 nm/ZnO/PBDB-T-2F:ITIC/MoO 3 /Al) exhibited PCEs of 11.1%, J SC s of 17.86 mA cm −2 , V OC s of 0.88 V, and FFs of 71% (Table 1).…”

Section: Charge Transporting Layermentioning

confidence: 99%

Merging Biology and Photovoltaics: How Nature Helps Sun‐Catching

Cavinato

Fresta

Ferrara

et al. 2021

Advanced Energy Materials

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conditions. This makes difficult to further reduce the cost of electricity production. [7,8] Furthermore, although solar energy is a renewable source, it does not mean that any kind of photovoltaics (PV) is sustainable. For instance, silicon is an essential material in electronics and solar industries and, up to date, is irreplaceable. Despite its abundancy in Earth's crust, it is for the vast majority (80%) present as ferrosilicon, whose purification is expensive and highly pollutant. The production of 1 ton of silicon requires 6 tons of raw materials, almost 3 tons of Quartz, 1.5 tons of reducing agents, 1.5 tons of wood and 13 000 kWh of energy. [9,10] Therefore, in 2014 the EU commission included silicon metal in the critical raw material (CRM) list. [11] In this context, the third generation PV has reborn, offering cost-effective and efficient CRM-free devices with a lower reliance on the incident angle of light and integration in smart-end applications, like flexible and wearable devices, [12][13][14] fully transparent solar cells and windows, [15,16] and biocompatible devices. [17][18][19] The leading third generation SCs are organic solar cells (OSCs), [20][21][22] perovskite solar cells (PSCs), [23][24][25][26][27] and dye-sensitized solar cells (DSSCs). [28][29][30] Despite their versatile applications and high performances, sustainability still represents a major issue toward becoming an ideal energy technology in the mid-long term future. Among others, fullerene-based materials are toxic, [31] indium tin oxide (ITO) is brittle, chemically unstable, and expensive due to limited indium sources on Earth's crust. [32,33] Cobalt is also listed as CRM, [11] while cadmium, selenium, lead and ruthenium are toxic materials. [34,35] With regard to flexible devices, polyethylene terephthalate (PET) is the standard substrate; though its environmental footprint is critical and its nonbiodegradable properties lead to harmful effects in living organisms. [36] This has fueled a strong cooperation among the fields of engineering, biology, chemistry, and physics to discover new strategies for cost-effectiveness preparation and implementation of bio-derived materials in highly performing PVs.In general, this cooperation constitutes a part of the emerging and multidisciplinary field of biophotonics, [37] which involves biomedical optics, [38] living light, [39][40][41] biomimetic, biomaterials and bioengineered compounds, as well as fabrication/implementation methods applied to optoelectronics [42] and photonics, [43] among others. For instance, artificial lightning and biology have been recently merged with the implementation of cellulose, chitosan, silk, and fluorescent proteins as Accomplishing sustainability in optoelectronics, in general, and photovoltaics (PV), in particular, represents a crucial milestone in green photonics. Third generation PV technologies, such as organic solar cells (OSCs), perovskite solar cells (PSCs), and dye-sensitized solar cells (DSSCs) have reached a mature age and are slowly making thei...

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“…50 Indeed, it has been shown that the combination of PDA with ZnO can lead to enhanced performance in solar cells, optical coatings and antimicrobial materials. [51][52][53] However, the mechanism of ZnO/PDA interfaces formation and its impact on optical properties has not been revealed yet. The main challenge regarding modelling of PDA/Semiconductor interfaces is the lack of consensus on the PDA structure.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and photoluminescence properties of hybrid 1D core–shell structured nanocomposites based on ZnO/polydopamine

et al. 2020

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Polydopamine/ZnO electron transport layers enhance charge extraction in inverted non-fullerene organic solar cells

Abstract: The cathode interlayer plays a key role in the photovoltaic performance in organic solar cells.

Cited by 45 publications

References 53 publications

Recent progress in cathode interlayer materials for non‐fullerene organic solar cells

Recent progress in cathode interlayer materials for non‐fullerene organic solar cells

Merging Biology and Photovoltaics: How Nature Helps Sun‐Catching

Synthesis and photoluminescence properties of hybrid 1D core–shell structured nanocomposites based on ZnO/polydopamine

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