Diego Bagnis

Expanding the Processing Window of D18 Donor Polymers through Thiophene Incorporation for Large-Area Organic Photovoltaics

Isabela C. Mota, R. S. Cardoso, Igor T. Soares, Lucas G P Tienne et autres

Abstract Developing donor polymers compatible with scalable and eco-friendly manufacturing remains a critical challenge for the lab-to-fab transition of organic photovoltaics (OPVs). Here, we report a series of D18-based terpolymers incorporating controlled amounts of thiophene or hexylthiophene comonomers to systematically expand the …

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Best practices for measuring the performance and stability of indoor photovoltaic devices

Abhisek Chakraborty, Giulia Lucarelli, Vaibhav Pratap Singh, Jie Xu et autres

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Scalable and Integrated Microsupercapacitors

Romário J. da Silva, Silvia L. Fernandes, Bárbara H.S. Miranda, Gabriela de Amorim Soares et autres

ABSTRACT In this study, we developed a water‐based ink composed of the polymer poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) and carbon nanotube (CNT) to fabricate flexible planar microsupercapacitor (MSC) using scalable manufacturing techniques. The research focused on optimizing aspects of electrochemical performance, including electrode design, …

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Tuning Molar Mass of the D18 Polymer via Stille Polymerization: Impact on Morphology and Large-Area Blade-Coated Organic Solar Cells

R. S. Cardoso, Igor Tenório Soares, João A. F. L. Batalha, Isabela C. Mota et autres

High Resolution Image Download MS PowerPoint Slide Achieving reproducible, high-performance organic solar cells (OSCs) requires precise control over the molar mass of donor polymers, as it governs film formation, morphology, and charge transport. Here, we systematically investigate the influence of Stille polymerization …

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Nanoparticle-Mediated Interface Engineering for Uniform, Reproducible Electron Transport Layers in Scalable Perovskite Solar Cells

Charlie Henderson, Adriano S. Marques, Izabela S. Bicalho, Lucy J. F. Hart et autres

High Resolution Image Download MS PowerPoint Slide As lab-scale perovskite solar cells (PSCs) approach their efficiency limits, reproducing this performance in large-area, manufacturable devices remains challenging. Here, we show that printing interlayers of metal oxide nanoparticles, specifically Al 2 O 3 and …

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Tailored NaCl Doping of PEDOT:PSS as a Hole Transport Layer for Flexible Air-Blade-Coated Devices

Davi Monteiro, João Paulo Araújo Souza, Kaike Rosivan Maia Pacheco, Marcelo Lopes Pereira et autres

Organic photovoltaic devices hold significant promise for sustainable energy generation, due to their low manufacturing cost and benefits such as lightness, semitransparency, and flexibility. This study explores the experimental and theoretical study of the effects of sodium chloride (NaCl) doping on PEDOT:PSS, …

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Optimization of PTB7-FTh-Based Organic Photovoltaic Devices Using Blade Coating: Influence of Solvent, Acceptor Composition, and Annealing on Performance

Isabela Custódio Mota, Renata da SilvaCardoso, Igor Tenório Soares, Lucas Galhardo Pimenta Tienne et autres

High Resolution Image Download MS PowerPoint Slide In this study, we report the synthesis and characterization of a fluorinated polymer, PTB7-FTh, designed as a donor material for organic photovoltaic (OPV) devices. The polymer structure is based on PTB7-Th, with the addition of …

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Printed organic photovoltaics modules with enhanced efficiency and over 10 years of expected lifetime

Varun Vohra, Marc-Antoine Llobel, P. Morin, Thibault Moumbouilou et autres

Organic photovoltaics (OPV) have emerged as a promising solution for sustainable energy applications, offering flexibility, low toxicity, and facile integration into innovative products. However, bridging the performance gap between lab-scale cells and industrial panels remains critical for achieving a cost-competitive technology. This …

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Fabrication of Fully Printable Flexible Large Area Microsupercapacitors

Romário J. da Silva, Silvia L. Fernandes, Bárbara Hellen de Souza Miranda, Gabriela Amorin et autres

ABSTRACT We produced microsupercapacitors (MSCs) using a PEDOT:PSS/CNT ink on both rigid (glass/ITO) and flexible (PET/IMI) substrates via doctor blade coating and laser scribing. The highest capacitance of 24.8 mF cm−2 was obtained for glass/ITO substrates with 60 μm electrode spacing, with …

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Characterization of Organic Photovoltaic Modules as a Function of Latitude: A Comparative Study Between Brazilian Northeast and Southeast Regions

Luís Paulo Mourão dos Santos, Francisco Lima, Clarissa Pinto Pizarro de Freitas, Francisco G. S. Oliveira et autres

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From-lab-to-Fab OPVs: Challenge and results on next production NFA-based panel

Diego Bagnis

Structure–processability correlation in thiophene- and thienothiophene-based D–A copolymers for organic solar cells fabricated under ambient blade coating

Igor Tenório Soares, Isabela Custódio Mota, Renata Silva Cardoso, Lucas Galhardo Pimenta Tienne et autres

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