Indoor organic solar cells for low-power IoT devices: recent progress, challenges, and applications

Suthar, Rakesh; Dahiya, Hemraj; Karak, Supravat; Sharma, Ganesh D.

doi:10.1039/d3tc02570e

Cited by 7 publications

(2 citation statements)

References 129 publications

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“…3 rd generation) are considered as highly relevant PV technologies compared to more conventional inorganic devices (silicon-based systems or thin film technologies), due to their rising performance under full sun and potentially low manufacturing costs and energy payback times [20], [21]. Recent studies have shown the importance of organic photovoltaics (OPVs) for energy harvesting in indoor IoT context [22], [23], [24], [25], [26].…”

Section: Introductionmentioning

confidence: 99%

Toward Indoor Simulations of OPV Cells for Visible Light Communication and Energy Harvesting

Santos,

Julien-Vergonjanne,

Dkhil

et al. 2024

IEEE Access

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The massive deployment of IoT connected devices brings up different modern problems, such as radiofrequency spectrum saturation and energetic requirements. Organic photovoltaics are good candidates for indoor energy harvesting and data reception in a simultaneous lightwave information and power transfer scenario applied for IoT, at which the non-directive channel significantly contributes to the optical system performance. However, achieving the channel impulse response of diffuse links requires complex numerical approaches. This article presents the first ever OPV model used in a Monte-Carlo ray-tracing simulation, associated to theoretical and experimental validation. Finally, for the first time, an optical simulation with an OPV receiver is realized in a cubic environment, from which the received optical power and generated current distributions were obtained. Results show that the employed OPV is suited for indoor energy harvesting to supply low power IoT nodes, and with proper dedicated front-end, could manage to receive optical data in a SLIPT scenario.

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Section: Introductionmentioning

confidence: 99%

Toward Indoor Simulations of OPV Cells for Visible Light Communication and Energy Harvesting

Santos,

Julien-Vergonjanne,

Dkhil

et al. 2024

IEEE Access

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“…Blending with Y6, D18 demonstrated >18% PCE, marking a notable advance in the field of organic photovoltaics. Since its initial demonstration, D18 and its derivatives have exhibited exceptional performance across a variety of applications, including highly efficient single-junction devices [22,23] , stretchable electronics [24] , thick-film devices [25] , efficient all-polymer systems [26,27] , indoor photovoltaics [28,29] , devices with enhanced stability [30−32] , green solvent-processed devices [33,34] , and tandem devices [35−37] . This article will present the strategies employed with D18 and its derivatives in single-junction OSCs for achieving PCEs above 19% (Fig.…”

mentioning

confidence: 99%

Organic solar cells with D18 or derivatives offer efficiency over 19%

Feng,

Zhang,

Chang

et al. 2024

J. Semicond.

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Exploiting Mechanism of Enhanced Charge Transfer in Ternary Organic Solar Cells at Low Energy Loss

Dahiya,

Suthar,

Singh

et al. 2024

Solar RRL

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The structural disorder and aggregation of the third acceptor with the host active layer are critical in the light absorption, film morphology, and charge‐carrier mechanism of their photovoltaic blends to achieve highly efficient organic solar cells (OSCs). However, an effective third component needs to be introduced in the host binary blend as a combination of ternary blend, which can improve the absorption profile, film morphology, and charge dynamics. In this work, non‐fullerene acceptor DRCTF is incorporated as a third component in host PM6:Y6 binary blend. Compared to host blend, the ternary blend improves charge‐transfer processes, as evidenced by steady‐state photoluminescence and time‐resolved photoluminescence measurements. It is found that the addition of 20% DRCTF into host binary blend results in improved charge dissociation and transport with reduced recombination, and voltage losses. All these characteristics contribute to an improved power conversion efficiency of 14.45% in the PM6:Y6:DRCTF ternary OSCs (T‐OSCs), compared to PM6:Y6 (12.46%) in open‐air fabrication conditions. Consequently, in this study, the impact of third components on the charge‐transfer mechanism in T‐OSCs is elucidated. These findings suggested that T‐OSCs with a perfectly chosen third component in the host binary blend achieve a comprehensive absorption profile, smooth film morphology, efficient charge dynamics, and reduced voltage loss.

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Indoor organic solar cells for low-power IoT devices: recent progress, challenges, and applications

Abstract: In the last few years, organic solar cells have emerged with potential applications in abundant low-power indoor Internet of Things devices, such as smart watches, calculators, remote controls, and other devices.

Cited by 7 publications

References 129 publications

Toward Indoor Simulations of OPV Cells for Visible Light Communication and Energy Harvesting

Toward Indoor Simulations of OPV Cells for Visible Light Communication and Energy Harvesting

Organic solar cells with D18 or derivatives offer efficiency over 19%

Exploiting Mechanism of Enhanced Charge Transfer in Ternary Organic Solar Cells at Low Energy Loss

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