Doped and textured graphene as electrode for organic solar cells

Brunetti, Francesca; Ulisse, Giacomo; Dianetti, M.; Susanna, Gianpaolo; Innaccone, G.; Fiori, Gianluca; Martin, Olivier J. F.; Puicervert, Roxane; Lordan, Daniel; Burke, Mícheál; Quinn, Aidan J.; Schimidt, Marek E.; Lugli, Paolo

doi:10.1109/nano.2015.7388666

Cited by 6 publications

(4 citation statements)

References 27 publications

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“…Graphene/MoO 3 /PEDOT:PSS/PTB7:PCBM/Ca/Al [195] Anode also increase the efficiency to 2.81%. [298] Yang et al reported an efficiency of 7.64% due to UV-ozone treatment of MoS 2 , which is 53% higher compared to the untreated one.…”

Section: Tmdcs For Organic Solar Cellsmentioning

confidence: 93%

“…[193,194] Graphene can act as a potential substitute for ITO while offering similar performance with respect to transparency, conductivity, flexibility, with higher material availability and lower processing costs. [117,195] Although most of the work has been reported on small-area devices, the latest developments in low-cost deposition techniques for realizing large graphene films have also been explored, which can lead to future commercialization. [196] The role of graphene as an electrode for organic solar cells can be attributed to its high conductivity, desired work function, and optimum surface morphology.…”

Section: Graphene-based Materials For Electrodes For Organic Solar Cellsmentioning

confidence: 99%

“…Organic cells having an inverted architecture are subjected to the abovementioned problems as the rear electrode is deposited onto the organic charge‐transport layer . Graphene can act as a potential substitute for ITO while offering similar performance with respect to transparency, conductivity, flexibility, with higher material availability and lower processing costs . Although most of the work has been reported on small‐area devices, the latest developments in low‐cost deposition techniques for realizing large graphene films have also been explored, which can lead to future commercialization …”

Section: Graphene‐based Solar Cellsmentioning

confidence: 99%

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The Role of Graphene and Other 2D Materials in Solar Photovoltaics

et al. 2018

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2D materials have attracted considerable attention due to their exciting optical and electronic properties, and demonstrate immense potential for next-generation solar cells and other optoelectronic devices. With the scaling trends in photovoltaics moving toward thinner active materials, the atomically thin bodies and high flexibility of 2D materials make them the obvious choice for integration with future-generation photovoltaic technology. Not only can graphene, with its high transparency and conductivity, be used as the electrodes in solar cells, but also its ambipolar electrical transport enables it to serve as both the anode and the cathode. 2D materials beyond graphene, such as transition-metal dichalcogenides, are direct-bandgap semiconductors at the monolayer level, and they can be used as the active layer in ultrathin flexible solar cells. However, since no 2D material has been featured in the roadmap of standard photovoltaic technologies, a proper synergy is still lacking between the recently growing 2D community and the conventional solar community. A comprehensive review on the current state-of-the-art of 2D-materials-based solar photovoltaics is presented here so that the recent advances of 2D materials for solar cells can be employed for formulating the future roadmap of various photovoltaic technologies.

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Section: Tmdcs For Organic Solar Cellsmentioning

confidence: 93%

Section: Graphene-based Materials For Electrodes For Organic Solar Cellsmentioning

confidence: 99%

Section: Graphene‐based Solar Cellsmentioning

confidence: 99%

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The Role of Graphene and Other 2D Materials in Solar Photovoltaics

et al. 2018

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“…Though this has been the subject of much research (Kymakis et al, 2013;Balis et al, 2016) the sheet resistance of these samples remains many orders of magnitude higher than that of ITO (Kymakis et al, 2011), making it difficult to achieve comparable efficiencies with such electrodes. However, the sheet resistance of graphene can be significantly reduced through doping, either by chemical or physical means (Brunetti et al, 2015;Shin et al, 2018). Out of the many explored routes to improve graphene's conductive properties, few methods have shown more promise than intercalation of Few Layer Graphene (FLG) by FeCl 3 (Khrapach et al, 2012;Bointon et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Improved Stability of Organic Photovotlaic Devices With FeCl3 Intercalated Graphene Electrodes

et al. 2021

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In this paper, we present the first organic photovoltaic (OPV) devices fabricated with FeCl3 intercalated few layer graphene (i-FLG) electrodes. i-FLG electrodes were first fabricated and characterized by electrical and spectroscopic means, showing enhanced conductive properties compared to pristine graphene. These electrodes were then used in the fabrication of OPV devices and tested against devices made with commercially available Indium Tin Oxide (ITO) electrodes. Both types of device achieved similar efficiencies, while the i-FLG based device exhibited superior charge transport properties due to the increase in work function characterizing i-FLG. Both types of device underwent a stability study using both periodic and continuous illumination measurements, which revealed i-FLG based OPVs to be significantly more stable than those based on ITO. These improvements are expected to translate to increased device lifetimes and a greater total energy payback from i-FLG based photovoltaic devices. These results highlight the potential benefits of using intercalated graphene materials as an alternative to ITO in photovoltaic devices.

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High-Efficiency Organic Photovoltaic Cells With an Antimony Quantum Sheet Modified Hole Extraction Layer

Zhou

Lan

et al. 2021

IEEE J. Photovoltaics

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Doped and textured graphene as electrode for organic solar cells

Cited by 6 publications

References 27 publications

The Role of Graphene and Other 2D Materials in Solar Photovoltaics

The Role of Graphene and Other 2D Materials in Solar Photovoltaics

Improved Stability of Organic Photovotlaic Devices With FeCl3 Intercalated Graphene Electrodes

High-Efficiency Organic Photovoltaic Cells With an Antimony Quantum Sheet Modified Hole Extraction Layer

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