Sustainable plasma polymer encapsulation materials for organic solar cells

Jacob, Mohan V.; Kamel, M.; Oelgemöeller, Michael

doi:10.1039/d1ta10608b

Cited by 14 publications

(9 citation statements)

References 52 publications

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“…Prior to device fabrication, the graphene-based TCEs were treated by air plasma for 30 s at 5 W RF power, while ITO substrates were treated by oxygen plasma for 8 min at 25 W. The plasma treatment makes the surface of the TCE more hydrophilic to get a uniform coating of ZnO layer . ZnO sol–gel was prepared through dissolving 0.109 g of Zn-acetate in 1mL of 2-methoxyethanol (anhydrous, 99.8%, Sigma-Aldrich) with 32 μL of ethanolamine as an additive . The ZnO electron transport layer (ETL) was obtained by spin coating ZnO sol–gel on top of TCE at 3000 rpm for 60 s and then thermal annealing at 150 °C for 10 min in air.…”

Section: Methodsmentioning

confidence: 99%

Improved Transfer-Free Sustainable Graphene Electrode using Silver Nanowires for Organic Photovoltaics

Kamel,

Stoppiello,

Jacob

2023

ACS Appl. Energy Mater.

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The hybridization of silver nanowires (AgNWs) and chemical vapor deposition (CVD)-based graphene is a promising strategy to produce efficient transparent conducting electrodes (TCEs) for organic photovoltaics (OPVs). In this work, we successfully demonstrate the coupling of transfer-free graphene fabricated on glass using plasma-enhanced CVD from a sustainable carbon source with AgNWs and hence avoided a multistep procedure to transfer graphene and damages. The resulting hybrid TCEs exhibit a lower sheet resistance compared to the pristine graphene. In addition, the growth of vertically oriented-graphene nanosheets suppresses the impact of the rough surface of AgNWs and increases the area of interface between the TCE and the active layer. OPV devices developed on the hybrid TCE with active layers, namely, P3HT: PCBM, P3HT: PC70BM, and PM6: Y6, show a comparable performance to the reference device. For instance, the P3HT:PCBM-based device on the hybrid electrode exhibits a higher fill factor (0.63) and a comparable power conversion efficiency (2.18%) to that of the ITO-counterpart (0.60 and 2.22%, respectively). Similarly, the PM6:Y6-device fabricated on the hybrid TCE demonstrates an efficiency (9.75%) analogous to that on ITO (10.3%). The present work demonstrates an auspicious platform toward sustainable and economic production of efficient transfer-free graphene-based TCEs for OPVs.

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Section: Methodsmentioning

confidence: 99%

Improved Transfer-Free Sustainable Graphene Electrode using Silver Nanowires for Organic Photovoltaics

Kamel,

Stoppiello,

Jacob

2023

ACS Appl. Energy Mater.

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“…Photovoltaic cells generally have a negative temperature coefficient, meaning that their performance decreases with an increase in temperature. 155,156…”

Section: Organic Pv Cellsmentioning

confidence: 99%

“…Photovoltaic cells generally have a negative temperature coefficient, meaning that their performance decreases with an increase in temperature. 155,156 The National Renewable Energy Laboratory (NREL) is a reputable research center that specializes in renewable energy and energy efficiency. 157 They publish detailed reports on these topics and maintain a chart that tracks the highest conrmed conversion efficiencies for research cells across various photovoltaic technologies.…”

Section: Performance and Efficiency Of Opv Cellsmentioning

confidence: 99%

Advances in organic photovoltaic cells: a comprehensive review of materials, technologies, and performance

Solak

Irmak

2023

RSC Adv.

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“…In addition to the common‐used epoxy resins, novel acrylic monomers as adhesives also have promising applications in OSC encapsulation. [ 143 ] Recently, plasma polymers, [ 144 ] metallic glass, [ 145 ] and composite films [ 146 ] have also been used as encapsulation materials for OSCs. In general, inorganic encapsulation materials are effective in inhibiting the penetration of water and oxygen.…”

Section: Research Progress On Strategies To Enhance the Stability Of ...mentioning

confidence: 99%

Powering the Future: A Critical Review of Research Progress in Enhancing Stability of High‐Efficiency Organic Solar Cells

Wu,

Ma,

et al. 2023

Adv Funct Materials

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Organic solar cells (OSCs) are a promising photovoltaic technology that employs organic semiconductor material as the photoactive layer, which has the unique advantages of light weight, large‐area flexible fabrication, low‐cost, and semitransparent. In recent years, the performance of OSCs has been significantly improved, and the highest power conversion efficiency has exceeded 19%. Despite the tremendous progress in OSCs, the major bottleneck in realizing the commercialization of OSCs is the device stability. Therefore, reviewing the recent research progress on the stability of high‐performance OSCs is urgent and necessary. This review discusses the factors limiting device lifetime, such as metastable morphology, air, irradiation, heat, and mechanical stresses. Additionally, this review presents the research progress over the last 5 years, focusing on enhancing device stability from the perspective of photoactive layers and other functional layers, which includes material design and device engineering, such as solid additives, device fabrication, optimizing buffer layers, using stable electrodes, and encapsulation. Lastly, this review explores current commercialization challenges and prospects, including using advanced machine learning techniques to assist experimental research.

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Sustainable plasma polymer encapsulation materials for organic solar cells

Abstract: The rapid degradation of organic photovoltaics (OPVs) under ambient conditions represents a major limitation to this promising technology. Device encapsulation is an effective approach to increase the lifetime of OPVs....

Cited by 14 publications

References 52 publications

Improved Transfer-Free Sustainable Graphene Electrode using Silver Nanowires for Organic Photovoltaics

Improved Transfer-Free Sustainable Graphene Electrode using Silver Nanowires for Organic Photovoltaics

Advances in organic photovoltaic cells: a comprehensive review of materials, technologies, and performance

Powering the Future: A Critical Review of Research Progress in Enhancing Stability of High‐Efficiency Organic Solar Cells

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